Explore student journal answer key science

Student Book 1: 7Ac Tissues (Student Book) 1 magnifies things 2 Students should spot that it has different parts that are different colours. 3 a fat, muscle (there are others, e.g. nerve tissue, but these have not been mentioned yet) b Fat protects the heart; muscle moves the heart. 4 Students should spot that the two livers are not

Write the answers to the questions for this section in your Student Journal. Use a separate, blank sheet of paper, if you need more room to write out your answers or draw illustrations to support your answers. 1. ! Review the de nitions on page 1 of this Student Guide to help you describe the di "erence between the two categories.The Journal of Educational Research is a well-known and respected periodical that reaches an international audience of educators and others concerned with cutting-edge theories and proposals. For more than 100 years, the journal has contributed to the advancement of educational practice in elementary and secondary schools by judicious study of the latest trends, examination of new procedures ...With Expert Solutions for thousands of practice problems, you can take the guesswork out of studying and move forward with confidence. Find step-by-step solutions and answers to Big Ideas Math Integrated Math 3: Student Journal - 9781680330908, as well as thousands of textbooks so you can move forward with confidence.Students also viewed. Lab week 4 - Macromolecules lab; Lab week 3 - pH lab; Week 9 Lab Exercise on Photosynthesis; ... Directions: Read through the review chart below and answer the pre-lab questions. Then, rotate through the stations, identifying each substance as a compound or mixture. If it is a mixture, be sure to include whether it is ...Unleash the "power of doing". ExploreLearning Gizmos are interactive online simulations and case studies for math and science that power inquiry and understanding through hands-on learning and experimentation. With more than 500+ Gizmos covering STEM topics for grades 3-12, students can dig deeper into subjects and really understand challenging ...TEACHER'S KEY 1 4 3 5 Check your understanding Answer Answer Answer Answer Answer Answer 2 More free science teaching resources at: www.ScienceJournalForKids.org How do we find a planet in another galaxy? Why is the candidate M51-1 called an extroplanet? It is called an extroplanet because it belongs to a star that is not only inUsing the cards and instructions in your Student Guide, paste the cards in the Kingdom where each organism belongs. Archaea. Unicellular prokaryotic organisms that can be heterotrophic or autotrophic and reproduce asexually. Eubacteria. Bacteria are unicellular prokaryotic organisms that are motile, heterotrophic, and reproduce through cell ...Photosynthesis Lab. Study photosynthesis in a variety of conditions. Oxygen production is used to measure the rate of photosynthesis. Light intensity, carbon dioxide levels, temperature, and wavelength of light can all be varied. Determine which conditions are ideal for photosynthesis, and understand how limiting factors affect oxygen production.

(a) When two electrons are removed from the valence shell, the Ca radius loses the outermost energy level and reverts to the lower n = 3 level, which is much smaller in radius. (b) The +2 charge on calcium pulls the oxygen much closer compared with K, thereby increasing the lattice energy relative to a less charged ion.Student Exploration: Hurricane Motion. Vocabulary: air pressure, Coriolis effect, eye, hurricane, knot, meteorologist, precipitation. Prior Knowledge Questions (Do these BEFORE using the Gizmo.) A hurricane is a large, rotating tropical storm with wind speeds of at least 74 miles per hour.Find breaking science news and analysis from the world's leading research journal.Student Journal Answers Student Journal Answers CChapter 1hapter 1 Chapter 1 Maintaining Mathematical Profi ciency 1. −4 2. −12 3. 7 4. −11 5. Sample answer: −2 and −4, −8 and 2 6. 60 ...(a) When two electrons are removed from the valence shell, the Ca radius loses the outermost energy level and reverts to the lower n = 3 level, which is much smaller in radius. (b) The +2 charge on calcium pulls the oxygen much closer compared with K, thereby increasing the lattice energy relative to a less charged ion. Grasping the difference between kinetic and potential energy is a key science concept. Hands-on practice comparing and contrasting these fundamental energy types boosts students’ understanding. To assist teachers, we provide free printable kinetic and potential energy worksheets for science classwork or homework.

Online Gizmos Lab answers name: date: student exploration: meiosis vocabulary: anaphase, chromosome, crossover, cytokinesis, diploid, dna, dominant, gamete, Skip to document. University; High School. Books; ... Cell Energy SE Answer Key; 1-Cell Organelles WS 2016 KEY; Mark Fowler - Kami Export - Biogeochemical Cycles Webquest Handout; Chemical ...Student Journal Answers Student Journal Answers CChapter 1hapter 1 Maintaining Mathematical Profi ciency 1. 4 2. 1 3. 2 4. 10 5. 4 6. 22 7. 9 8. 10 9. 11 10. 120 cm2 11. 36 ft2 QP 12. 139.5 km2 1.1 Explorations 1. A line extends infi nitely in each direction, a line segment has two endpoints, and a ray has one endpoint and extends infi nitely ...Our STEMscopes Science™ Texas curriculum has profoundly affected student outcomes, with students continuing to learn and exhibit growth on the STAAR test even after two years of intermittent learning. Our Research and Efficacy Studies page offers a glimpse into why Texas schools have come to depend on us, with a focus on key success metrics.View Homework Help - RabbitPopulationSeason answer key from AP BIOLGY 101 at North Miami Beach Senior High. Name: _ Date: _ Student Exploration: Rabbit Population by Season Vocabulary: carryingAs a geometry student, it is important to maintain a journal to document your findings, observations, and answers to various geometric problems. This journal serves as a valuable tool for learning and reviewing concepts, as well as tracking your progress and understanding. Key Elements of a Geometry Student Journal. 1.Answer key name: date: student exploration: cell types directions: follow the instructions to go through the simulation. respond to the questions and prompts in ... Activity Journal Five; Preview text. Name: Date: Student Exploration: Cell Types. Directions: Follow the instructions to go through the simulation. Respond to the questions and ...

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Student Exploration: Gravitational Force (ANSWER KEY) Download Student Exploration: Gravitational Force Vocabulary: force, gravity, vector Prior Knowledge Questions (Do these BEFORE using the Gizmo.) On the night of a Full Moon, Mary decides to do an experiment with gravity . STUDENT JOURNAL. Elements and Compounds Matter and Energy. Name: Date: Per: Part I: Matter. 1. Chemical symbols are written with the first letter a capital letter and any …Popular books. Biology Mary Ann Clark, Jung Choi, Matthew Douglas. College Physics Raymond A. Serway, Chris Vuille. Essential Environment: The Science Behind the Stories Jay H. Withgott, Matthew Laposata. Everything's an Argument with 2016 MLA Update University Andrea A Lunsford, University John J Ruszkiewicz. Lewis's Medical-Surgical Nursing Diane Brown, Helen Edwards, Lesley Seaton, Thomas ...Sugars provide the energy resource for cells. The simplest form of sugar is glucose. Glucose is made up of the chemical elements of carbon, oxygen, and hydrogen. You can write the chemical formula for the glucose molecule. Do this by counting the number of carbon (C), hydrogen (H), and oxygen (O) atoms.

Student Exploration: Cell Division. Directions: Follow the instructions to go through the simulation. Respond to the questions and prompts in the orange boxes. Vocabulary: cell division, centriole, centromere, chromatid, chromatin, chromosome, cytokinesis, DNA, interphase, mitosis. Prior Knowledge Questions (Do these BEFORE using the Gizmo.)Online Gizmos Lab answers name: date: student exploration: meiosis vocabulary: anaphase, chromosome, crossover, cytokinesis, diploid, dna, dominant, gamete, Skip to document. University; High School. Books; ... Cell Energy SE Answer Key; 1-Cell Organelles WS 2016 KEY; Mark Fowler - Kami Export - Biogeochemical Cycles Webquest Handout; Chemical ...Standardized Test Prep. Exercise 1. Exercise 2. At Quizlet, we’re giving you the tools you need to take on any subject without having to carry around solutions manuals or printing out PDFs! Now, with expert-verified solutions from Science Explorer: Earth Science 1st Edition, you’ll learn how to solve your toughest homework problems.Gizmo Warm-up A chemical change, (or chemical reaction) occurs when one or more substances, called reactants, are transformed into different substances, or products. In the Chemical Changes Gizmo, you will look for evidence of chemical changes by looking at changes you can see, touch, or smell. To begin, check that Reactant 1 is Sodium and ...Standardized Test Prep. Exercise 1. Exercise 2. At Quizlet, we’re giving you the tools you need to take on any subject without having to carry around solutions manuals or printing out PDFs! Now, with expert-verified solutions from Science Explorer: Earth Science 1st Edition, you’ll learn how to solve your toughest homework problems.B4C Viruses EXPLORE STUDENT JOURNAL Part I: ... Hi tutors, I have trouble with this conputer science question from my tutorial. Please provide the answer and reasoning of how you got that answer. Thank you for your time. Q&A. Please see an attachment for details. Q&A.The study of reaction energy is an integral part of understanding chemical reactions and their behavior. It allows students to explore the fundamental principles that govern the transformation of substances and the release or absorption of energy. By engaging in student exploration of reaction energy, students are able to grasp concepts such as ...Define the Law of Conservation of Mass and use the equation above to justify your answer. ... in this Explore. Use another sheet of paper, if needed. Terms: Chemical formula, reactant, product, coefficient, reaction, chemical equation, Law of ...7. Student Exploration Orbital Motion - Kepler's Laws Gizmo Answer Key. 5. Student Exploration Plate Tectonics Gizmo Answer Key. 2. 1.05 Atomic Structure and Forces completed alexiyah franco. 2. 4.02 exploring the …Accelerate Learning

7. Student Exploration Orbital Motion - Kepler's Laws Gizmo Answer Key. 5. Student Exploration Plate Tectonics Gizmo Answer Key. 2. 1.05 Atomic Structure and Forces completed alexiyah franco. 2. 4.02 exploring the universe completed worksheet alexiyah franco. 67.

The science learning goals of laboratory experiences include enhancing mastery of science subject matter, developing scientific reasoning abilities, increasing understanding of the complexity and ambiguity of empirical work, developing practical skills, increasing understanding of the nature of science, cultivating interest in science and science …Science; Chemistry; Chemistry questions and answers; m n 8 Chemi Explore Student Journal 'art II: Creating Chemical Equations Complete Line 1 of the table below, then proceed to Line 1 of the table on the next page. Repeat with Line 2 and so forth.There is, broadly speaking, an agreement within the international science education community that comprehension of the nature of science (NOS) should be a key element in the scientific literacy of citizens. During the last few decades, several didactic approaches have emerged concerning what and how to teach NOS. Also, one of the basic objectives of science education is for students to become ...Key Concepts that need to be understood to answer essential questions ... Explore Student Journal class assignment 3/31/2016 Explain Content Connections activities 4/1/2016 ... Reading Focus Questions (pages 113-119) Use complete sentences to answer the following questions. 1) Define extinct. 2) What is an example of extinction?The model describes three inputs and outcomes (skill, will and thrill), success criteria, three phases of learning (surface, deep and transfer) and an acquiring and consolidation phase within each ...Student Exploration: Measuring Motion (ANSWER KEY) Download Student Exploration: Measuring Motion Vocabulary: distance, speed Prior Knowledge Questions (Do these BEFORE using the Gizmo.) The speed of an animal is how fast it is moving. A speed of 6 m/s (meters per second) means that the animal moves a distance of 6 meters every second.Answer: Molecular formula of copper sulfate = CuSO 4. Gram molecular mass of CuSO 4 = 40+32 + (16 × 4) = 72 + 64 = 136 grams. Gram molecular mass of CuSO 4 = 1 mole = 6.023 × 10 23 molecules. If the students has 136 grams of CuSO 4 then the number of molecules in that crystal will be 6.023 × 10 23. Question 4.A sample of 1448 students in grades 7 and 9 was drawn from public schools in Atlantic Canada to explore students’ knowledge of science and mathematics requirements for science, technology, engineering, and mathematics (STEM) careers. Also explored were their mathematics self-efficacy (MSE), their future career interests, their …

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The AP Computer Science Principles end-of-course exam has consistent question types and weighting every year, so you and your students know what to expect on exam day. Section I: End-of-Course Multiple-Choice Exam. 70 multiple-choice questions | 120 minutes | 70% of score | 4 answer options. 57 single-select multiple-choice.Middle School 8th Grade Resource Science Curriculum . Course Description: Students will engage in units related to three core areas in science: matter and energy, Earth's processes, and living things. Throughout the units, students will develop models to describe their learning, construct scientific explanations based on evidence, analyzeQuestion Sets & Answer Keys. Where are the answer keys? Where are the question sets? Audio for question sets: where is it? Why can I no longer assign Vocabulary question sets? Common questions and support documentation.Student Exploration: Porosity. Directions: Follow the instructions to go through the simulation. Respond to the questions and prompts in the orange boxes. Vocabulary: aquifer, gravel, permeability, porosity, sand, saturated, sediment, silt, surface water. Prior Knowledge Questions (Do these BEFORE using the Gizmo.)sciences. Includes reproducible tests, and answer keys. Ags Earth Science 2012 Lab Manual Answer Key Grade 6/12 AGS Secondary Staff.2012-04 This student-friendly program uses STEM integrations and real-world examples that show students the relevance of science in their daily lives, while providing comprehensive coverage of skills …Force and Motion Study Guide-ANSWER KEY. Name: Period: Date: Define the following terms: 1.) energy: the capacity to do work or the ability to cause motion 2.) potential energy: is stored energy or energy of position that is waiting to be released. 3.) kinetic energy: is energy of motion 4.) speed: is the distance an object travels in a certain amount of timeAdd the area of the triangle to the area of the rectangle to get the total area. Then set the perimeter equal to the area; P 22 ft, A 22 ft2 = =. b. 2x 14. =. 6x 2; x 4; Add the side lengths to get the. + − = perimeter. Subtract the area of the small rectangle from the area of the large rectangle to get the total area.Explore Student Journal Answer Key explore-student-journal-answer-key 3 Downloaded from www.encounterfilmstudios.ca on 2022-08-06 by guest discovering something new. That's why we regularly update our library, ensuring you have access to Explore Student Journal Answer Key, celebrated authors, and hidden literary treasures. With each visit, ….

Student Exploration: Porosity. Directions: Follow the instructions to go through the simulation. Respond to the questions and prompts in the orange boxes. Vocabulary: aquifer, gravel, permeability, porosity, sand, saturated, sediment, silt, surface water. Prior Knowledge Questions (Do these BEFORE using the Gizmo.)View Notes - Student Exploration- Chemical Equations (ANSWER KEY).docx from HIST 1111 at Denver Senior High School. Student Exploration: Chemical Equations (ANSWER KEY) Download Student Exploration:Student Exploration: Building Pangaea. Directions: Follow the instructions to go through the simulation. Respond to the questions and prompts in the orange boxes. Vocabulary: continental drift, fossil, glacier, ice age, landmass, Pangaea, supercontinent. Prior Knowledge Questions (Do these BEFORE using the Gizmo.)Explore Amazon Book Clubs . Download the free Kindle app and start reading Kindle books instantly on your smartphone, tablet, ... 2000 McGraw-Hill Science Grade 3 -- Science Journal Answer Key (P) ***ISBN-13: 9780022781279 ***Pages: 42. Read more. Previous page. Print length. 0 pages. Language. English. Publisher. McGraw-Hill.View Explore Student Journal.pdf from GEOL 1301 at Southern Methodist University. Weather and Climate Earth and Space Weather and Climate Part I: Weather Photos Photo Description of the Environment. AI Homework Help. ... Print Device Issues Answer the following questions: 1. A user reports that the printed output is not up to the usual ...The phrasing and clarity of words used in formulating a question greatly influences its effectiveness. An ambiguous question is one that is unclear to students and confounds their response. 2 Posing compound questions that require multiple responses frequently leads to confusion. Teachers should avoid this practice.Student Journal Answers Student Journal Answers CChapter 1hapter 1 Review & Refresh 1. 7 + y; 2 + (5 + y) = (2 + 5) + y Assoc. Prop. of Add. = 7 + y Add 2 and 5. 2. ... Exploration 1 a. 2; 2; Th e answers are the same. b. Place 3 negative counters in the box and then place a zero pair in the box. Remove the positiveStudent Exploration Star Spectra Gizmo Answer Key. Student Exploration Tides Gizmo Answer Key. Matter and energy resubmission alexiyah franco. 1.05 Atomic Structure and Forces completed alexiyah franco. Student Exploration River Erosion Gizmo Answer Key student exploration: river erosion vocabulary: cutbank, discharge, erosion, flood ... Explore student journal answer key science, The AP Computer Science Principles end-of-course exam has consistent question types and weighting every year, so you and your students know what to expect on exam day. Section I: End-of-Course Multiple-Choice Exam. 70 multiple-choice questions | 120 minutes | 70% of score | 4 answer options. 57 single-select multiple-choice., This question is about Student Credit Cards @christie_matherne • 02/14/23 This answer was first published on 10/02/19 and it was last updated on 02/14/23.For the most current infor..., Earth Sciences questions and answers. List each category of rock and describe how it forms. Explore Student Journal: The Rock Cycle aks on Earth can be classified into three categories based on the way they were formed. Igneous rocks are formed through volcanic action. Sedimentary ks are formed by deposition., Photosynthesis Lab. Study photosynthesis in a variety of conditions. Oxygen production is used to measure the rate of photosynthesis. Light intensity, carbon dioxide levels, temperature, and wavelength of light can all be varied. Determine which conditions are ideal for photosynthesis, and understand how limiting factors affect oxygen production., INTRODUCTION. Using questions to teach is an age-old practice and has been a cornerstone of education for centuries. 1,2 Questions are often used to stimulate the recall of prior knowledge, promote comprehension, and build critical-thinking skills. Teachers ask questions to help students uncover what has been learned, to comprehensively explore the subject matter, and to generate discussion ..., Find breaking science news and analysis from the world's leading research journal., Research indicates that students at all levels, from preschool through college, enter instruction with various commonsense but incorrect interpretations of scientific and engineering concepts and skills (e.g., Chinn and Brewer, 1993), such as the well- known misconception 1 that the change in seasons is caused by changes in Earth's distance from the sun, rather than the tilt of Earth's ..., Student Exploration: Tides. Directions: Follow the instructions to go through the simulation. Respond to the questions and prompts in the orange boxes. Vocabulary: gravity, high tide, low tide, neap tide, spring tide, tidal bulge, tides. Prior Knowledge Question (Do this BEFORE using the Gizmo.) What is happening in these images?, Popular books. Biology Mary Ann Clark, Jung Choi, Matthew Douglas. College Physics Raymond A. Serway, Chris Vuille. Essential Environment: The Science Behind the Stories Jay H. Withgott, Matthew Laposata. Everything's an Argument with 2016 MLA Update University Andrea A Lunsford, University John J Ruszkiewicz. Lewis's Medical-Surgical Nursing Diane Brown, Helen Edwards, Lesley Seaton, Thomas ..., Student Exploration: Determining a Spring Constant (ANSWER KEY) Download Student Exploration: Determining a Spring Constant Vocabulary: displacement, equilibrium, Hooke's law, restoring force, slope, spring, spring constant, weight Prior Knowledge Questions (Do these BEFORE using the Gizmo.), Student Exploration: Determining a Spring Constant (ANSWER KEY) Download Student Exploration: Determining a Spring Constant Vocabulary: displacement, equilibrium, Hooke's law, restoring force, slope, spring, spring constant, weight Prior Knowledge Questions (Do these BEFORE using the Gizmo.), Physical Science. 999+ Documents. Students shared 1164 documents in this course. Level Standard. School Cambridge High School (Milton) - Milton. Academic year: 2023/2024. ... Air Track Student Exploration answer key. Physical Science 96% (23) 4. Physical and Chemical Properties and Changes. Physical Science 93% (121) 3. Basics of Cloning Webquest., Student Journal, to answer the Journal questions on page 2. Part II: Atom Patterns Fundamental Questions: What are subatomic particles, what are their charges and ... Follow the instructions on page 3 of your Student Journal to build two more neutral atoms and complete the chart. Then answer the questions on pages 4 and 5 of your Student Journal., Pearson My Student Journal Answer Key, for My World Geography Paperback - January 1, 2011 by Pearson (Author) 5.0 5.0 out of 5 stars 3 ratings, Ionic Bonding Worksheet 2024 KEY; Chapter 3 Review Answers Part 2; Chapter 3 Review Answers Part 1; Related documents. Gizmo Balancing Chemical Equations - Student Exploration Sheet (With Answers) Science chem Is U - Chemistry ISU; Average Atomic Mass Gizmo Answers; Moles Gizmo Answers ... Student Exploration Sheet (With Answers) Science chem ..., INTRODUCTION. Using questions to teach is an age-old practice and has been a cornerstone of education for centuries. 1,2 Questions are often used to stimulate the recall of prior knowledge, promote comprehension, and build critical-thinking skills. Teachers ask questions to help students uncover what has been learned, to comprehensively explore the subject matter, and to generate discussion ..., Gizmo Warm-up: Grow the Biggest Plant! In the Gizmo set up the three pots however youlike: Choose a seed to drag into each pot. Click on the light bulbs to turn them on or off. Drag the Water slider up or down to set the amount of water each plant will get. If you like, drag fertilizer or compost into a pot., NAME: Suggested Answers Key DATE: 10 Thinking about the activity: A. Write a short paragraph comparing how you felt to the number of calories used for each action. (Students should relate the higher calorie activities to feeling “out of breath” and “warm”. The greater the activity level the more “uncomfortable” we feel.), Math can be a challenging subject for many students, and sometimes we all need a little extra help. Whether you’re struggling with algebra, geometry, calculus, or any other branch ..., 3.1. Participants. As shown in Table 1, seventy-eight EFL female students majoring in English, representing seven nationalities, participated voluntarily in the current study.Only female participants were selected as university education is segregated in the concerned university and the instructors teaching the English writing course were assigned to teach only female classes at the time of ..., motion, and energy. The student is expected to: (A) illustrate the transformation of energy within an organism such as the transfer from chemical energy to thermal energy; and (10) Organisms and environments. The student knows that there is a relationship between organisms and the environment. The student is expected to: , fff name: date: student exploration: rock classification directions: follow the instructions to go through the simulation. respond to the questions and prompts , Student Exploration: Covalent Bonds. Vocabulary: covalent bond, diatomic molecule, Lewis diagram, molecule, noble gases, nonmetal, octet rule, shell, valence, valence electron. Prior Knowledge Questions (Do these BEFORE using the Gizmo.) There are eight markers in a full set, but Flora and Frank each only have seven markers., Explore Science: Encourage Students to Investigate. Explore Science, Studies Weekly's newest K-5 Science curriculum, is built for the future of science instruction. Fully aligned with NGSS to encourage student-driven learning, but not overwhelming for teachers. See Our 3rd Party Review! Click on a grade to see a sample., Elements, compounds, mixture (answer key)..... Course. Biology (BIO120) 4 Documents. Students shared 4 documents in this course. University Molloy College. Academic year: 2021/2022. Uploaded by: Lima Lat. Molloy College. ... Students also viewed. ATI Practice Proficiency Test; Samhsa; Uworld Review;, explore-student-journal-answer-key 4 Downloaded from unlockmichigan.com on 2022-07-02 by guest Interviews in the social sciences - Nature.com Socialisation of student officers - College of Policing The story behind the Join or Die snake cartoon - National Constitution Center COVID-19 and its impact on student-athlete depression and anxiety ..., 1 EXPLORATION: Parabolas and Symmetry. Work with a partner. Complete the table. Then use the values in the table to sketch the graph of the function. x 1 x 2 2 x 2 on graph paper. Use the results in part (a) to identify the vertex of the parabola. Find a vertical line on your graph paper so that when you fold the paper, the left portion of the ..., in your Student Journal. Use arrows to indicate the energy flow from one organism to another. 6. Once you have completed your diagram in your Student Journal, remove the organism cards from the poster board and from your food chain model. Remove the tape from the back of the cards. Use a damp paper towel to wipe off the dry erase marks on, Science: Question 1: The answer is DNA. Question 2: The answer is photosynthesis. Question 3: The answer is gravity. English: By referring to the Explore student journal answer key, students can review their work, identify any mistakes or misconceptions, and make necessary corrections., 2. Each member of your group will work to color the human forelimb as found on the Student Reference Sheet. You will use this as a guide for the other animals shown. You should also use the Student Reference Sheet for Station 1 to help you identify the bones for each animal. 3. Three remaining animals appear in your Student Journal below., Get access to the student journal answer key and explore a wide range of solutions to help students improve their understanding and comprehension skills. Find detailed explanations and step-by-step instructions for all the exercises and activities in the student journal. ... For example, in a science class, students can conduct experiments to ..., Accelerate Learning, STUDENT JOURNAL Part I: Plan Your Investigation 1. My Question of Inquiry. 2. What do you need to do to answer this Question? 3. What are the variables that you will observe? 4. Tools and equipment needed. Tool Purpose 5. Safety Precautions. 6. List the steps of your procedure to observe the different samples. The Gas Sample