Students will be able to compare the speeds of objects that travel the same distance in different amounts of time.

In this lesson students will be able to make predictions and investigate ideas about an object's speed.

1 minutes

10 minutes

We will begin the lesson with a class discussion. I will ask the students what do they think will happen if we roll two different balls the same distance from one point to another? Would the balls travel at the same speed? How do you know? I will ask the students to think, pair, share with an elbow partner.

25 minutes

Next, I will group students into groups of four. I will challenge each group to generate ideas for how to compare the speeds of objects that travel the same distance in different amounts of time. I will challenge the students to select one idea to present to the class.

Students will be given five minutes to brainstorm ideas. After the allotted time, I will begin to pass out two balls to each group. I will instruct students to begin conducting multiple trials to test their ideas. As the students conduct the trials, I will observe the groups while asking probing questions, such as, "How can you describe the speed of each ball? What worked about this idea? What did not work? Were there any inconsistencies when conducting each trial?"

10 minutes

To wrap up the lesson, students will transition back to the carpet and prepare to present their idea to the class. Each group will be selected to share their idea with the class.

To conclude the lesson, as a class we will discuss, how does brainstorming ideas for investigating the differences between the speeds of objects that travel the same distance help you compare the speeds of the objects?

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