Gases in our Atmosphere Review

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Student will be able to review what they have learned in this unit through performing a review activity with their peers.

Big Idea

There are many concepts involved with the unit Gases in Our Atmosphere which are important for students to review prior to their exam.


In this lesson students review for their exam on Gases in Our Atmosphere through doing a quiz-quiz review activity.

  • This lesson does not align with any specific NGSS Performance Expectation; however, it does align with the old California State Standards.  Additionally, I feel that understanding gas laws and the basics of earth's atmosphere are important for students to know and is a topic that is interesting and fun for students.
  • This lesson also aligns with the Next Generation Science and Engineering Practice 8: Obtaining, Evaluating, and Communicating Information.  It does so because students must first understand the answer to their question, they then must help explain it to their partners.

For this lesson students will be using quiz-quiz cards which you will make, music to move to, and you may also want to have a timer to keep track of time.


15 minutes

To begin this lesson I tell students that we will be reviewing for our exam by doing the activity Quiz Quiz. See the reflection Reviewing in Chemistry: Quiz Quiz for details on how this activity works.

I pass out one card to each student for which they will become an expert.  I get the cards by printing them out from the unit 7 review quiz quiz questions paper and cutting them up before class.  For this lesson I only had 24 questions, so for larger classes I gave some of the harder questions to multiple students and told those students to write down the name of the other student that got the card so that they could make sure to tell people to not partner with that other student either.  Also as I pass out cards I make sure to give the easier cards to students who are not doing so well in the unit and the more difficult level questions to my higher achieving students.

I give students about 10 minutes to become an expert on their question.  I remind them that although the answer is on the back of the card they need to know exactly how to find the answer which includes where the information can be found in their notes and how to perform the calculations for the math based problems.  As students are becoming experts I walk around and help them locate the information and solve the math problems.

Additionally I tell them to come up with some hints that they will give students if they are stuck.

Some questions are easier to become experts on, so I tell students to be patient while they wait for their partners to finish becoming experts.


90 minutes

In this section I have students do the Quiz Quiz review activity. 

This entails students walking around the classroom with their expert cards, making partners with other students, and helping each other answer the questions.  As students work I have them fill in their answers on their unit7-earth's atmosphere review paper.  I found that students do a better job of answering the questions in terms of accountability if they have a place to write down the answers. 

For more details on how this works see the Quiz Quiz reflection.


During this activity students are able to complete at least half of the questions with their classmates.  I have students complete the rest of the questions on their own, or with their table partners.  I let them know that if they do not complete them in class than they should finish them for homework.

As students complete the assignment I have an answer key for them to check their answers. 

This is an example of one student's completed review.