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Welcome Back! Greet your partner and silently read through the short script and answer the three questions provided Goldilocks and the Three Bears 7.E.1.1.

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Presentation on theme: "Welcome Back! Greet your partner and silently read through the short script and answer the three questions provided Goldilocks and the Three Bears 7.E.1.1."— Presentation transcript:

1 Welcome Back! Greet your partner and silently read through the short script and answer the three questions provided Goldilocks and the Three Bears 7.E.1.1 Compare the composition, properties and structure of Earth’s atmosphere to include mixtures of gases and differences in temperature and pressure within layers.

2 https://encrypted- tbn1.gstatic.com/images?q=tbn:ANd9GcSU0GUTzEyiHRGq1Zu kI_2gsNZ8kVls_Hs1euLraIF2_8Bl4Mr3

3 I will be able to understand Goldilocks Principle in relation to the importance of the Earth’s atmosphere and how it sustains life I will be able to answer the following questions: Compare and contrast Earth’s atmosphere to that of Venus and Mars. You may draw pictures to describe the difference, create a Venn diagram, draw a chart, or just write a description. Explain how Earth’s atmosphere functions to keep us alive. Predict what would happen to an astronaut if he were to take off his mask on the three different planets(Earth, Venus, and Mars) Today’s Purpose

4 The mixture of gases surrounding the Earth or other celestial body, held in place by gravity What does it mean by mixture? Different types of gases blended together. For example, oxygen, nitrogen, carbon dioxide, water vapor, etc. Mixture can be separated. For example, trail mix is a mixture. You can separate the raisins from the almonds and M&M’s How do you separate a mixture of air? It’s gases mixed together. Through a process called fractional distillation, the gases are cooled and compressed and expanded to liquefy them. Elements and compounds have different temperatures that they liquefy. What is an atmosphere?

5 Place the correct pie chart with the correct planet. Hint: Think about what gas should be present or absent to make a planet too hot, too cold, and just right It’s All About the Percentages

6 Venus (too hot) 2 nd planet from the sun Similar atmosphere composition to Mars 96.5% CO 2 3.5% N 2 trace O 2 Very dense atmosphere CO 2 concentration causes hot temperature and very hot greenhouse effect Too hot to sustain life Very high pressure Image found at: https://encrypted- tbn3.gstatic.com/images?q=tbn:ANd9GcS92biLdEv7Pk71X1U1ve D207z1bqfLqm1_PeLYtP8cxSynm7V2

7 Greenhouse Effect Trapping of the sun’s radiation by the combination of gases found in the atmosphere, which causes a planet to warm CO 2 concentration usually behind the trapping of infrared radiation Other gases include water vapor, methane, and CFC’s

8 Mars (too cold) 4 th planet from the sun Very thin atmosphere 95% CO 2 2.7% N % O 2 Due to thin atmosphere CO 2 concentration has no effect on warming the planet, very low surface temperature Too cold to sustain life Very low pressure Image found at: https://encrypted- tbn3.gstatic.com/images?q=tbn:ANd9GcS92biLdEv7Pk71X1U1veD207z1bqfLqm1_PeLYtP8cxSynm7 V2

9 Earth (just right) Just the right amount of greenhouse gases (CO 2, water vapor, methane) to warm the planet to sustain life Composition of atmosphere 78% N 2 21% O 2 0.9% Ar Trace amount of greenhouse gases Life on Earth helps sustain our atmosphere through the cycling of oxygen via photosynthesis Without life Earth would either be like Mars or Venus Pressure in between Mars and Venus Image found at: https://encrypted- tbn3.gstatic.com/images?q=tbn:ANd9GcS92biLdEv7Pk71X1U1ve D207z1bqfLqm1_PeLYtP8cxSynm7V2

10 Wrapping it Up At the bottom of your notes answer the three questions that were asked at the beginning of the period with the correct answer in complete sentences In the left margin of your paper come up with three questions to ask about the notes you just taken For example, Compare and contrast the atmosphere of Venus and Mars Worksheet found at: Questions-WITH-ANSWERS-pkix1j.pdf

11 Homework Complete the reading dealing with the composition of the Earth’s atmosphere and complete the worksheet comparing cakes and the atmospheric gases Document found at: 2-cake-ingredients-and-gases-in-the-atmosphere

12 Quick Write For the next two minutes, write as many facts that you recall from yesterday. Be sure write the entire two minutes

13 I will be able to understand how the chemical composition of the atmosphere allows for life on Earth Tasks for today 1.Bellringer dealing with quick write of what you remember from previous day 2.Complete notes dealing with chemical composition of Earth’s atmosphere 3.Whiteboard review-you will be working with group to recall definitions, answer questions about atmosphere chemical composition Today’s Purpose

14 Image found at : https://encrypted-tbn1.gstatic.com/images?q=tbn:ANd9GcS0zTom1FjVxoaDHBBAm- JN2oj2q12zetv3W5CzFvoOvsAcNTBxqQ

15 Too much—more than 40% is toxic to humans begins to destroy cell structure and function Too little— less than 16.5% humans blackout Just write—21% human body functions properly Oxygen Concentration

16 Whiteboard Review 1.Define the terms (picture, definition, context clue sentence) a.Atmosphere b.Chemical composition c.Mixture d.Greenhouse Effect 2. Compare and Contrast a.Earth’s atmosphere vs. Venus’ b.Earth’s atmosphere vs. Mars’ 3. Explain why Earth’s atmosphere allows life on Earth 4. Explain what needs to happen to Venus’ atmosphere for it to be suitable for life 5. Explain what needs to happen to Mars’ atmosphere for it be suitable for life

17 Ticket Out Write 3 test questions and the answer for each dealing with Earth’s atmospheric composition.

18 Glad to Have You!!! Please fill out the check off sheet

19 Homework Find a news article about the atmosphere. Complete the graphic organizer about what you read.

20 Welcome Back! Discuss with your partner the article that you read from the previous night. Write 3 facts from each article discussed. Goldilocks and the Three Bears 7.E.1.1 Compare the composition, properties and structure of Earth’s atmosphere to include mixtures of gases and differences in temperature and pressure within layers.

21 Goldilocks Principle

22 Goldilocks' Principle Atmosphere Display Create a title Place the appropriate amount of cotton balls in each bag Label the bag with the planet it represents Create a pie chart that represents the correct amounts of gases Answer the questions at the end Complete the presentation completely Colors for GHGs Nitrogen= red Oxygen= green Argon=purple Carbon dioxide = yellow Methane =white

23 Homework Complete 2 on the clock homework questions dealing with the atmosphere

24 Glad to Have You!!! Please fill out the check off sheet

25 Think about the composition of the Earth’s atmosphere. Fill in the handout with the role that the atmosphere plays for the various human life necessities Human Survival

26 Today’s Purpose I will be observing the effect of the amount of atmospheric gases on life on earth I will be completing a module that simulates what happens when the various gas levels change Questions to answer by the end List the atmospheric conditions necessary for life on Earth. Explain the importance of each. Predict what happens to the Earth if each condition was not present.

27 Atmosphere’s Role for Life

28 Astro-VentureAstro-Venture Tasks 1.First, you are going to complete a Training Module 2.You are going to be changing the amount of gases 3.You are going to write detailed observation s about what happened ex. When the _____ was lowered first, the fish died. Then the grass and trees died. And finally all the animals died. The temperature dropped. Lowering ____made life on Earth cease and lowered the temperature. 3.Your second module is a Challenger module. You may need to refer to your notes for assistance for completion. 1.pdf

29 Teach your parent/guardian/sibling about what you have learned this week. You must teach them for 15 minutes. After you have taught them for 15 minutes, they must write a summary about what they learned, how well you taught them, and how you can improve teaching them. Parent must sign and date it. Homework


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