Bike Module 2.0 – Ideal Pressure for Balance (Grades 6-8) Welcome to your Bike Module 2.0 - Ideal Pressure for Balance (Grades 6-8) Teacher Email Student ID Is this your pre or post assessment? Pre-Assessment Post-Assessment Grade 3rd 4th 5th 6th 7th 8th 1. True or False: Temperature cannot change the physical properties of matter. a. True b. False None 2. How does the molecular motion of an object change a. When a bike tire is heated the molecules slow down, when it is cooled they speed up b. When a bike tire is heated the molecules speed up, when it is cooled they slow down c. When a bike tire is heated the molecules speed up, when it is cooled they speed up d. When a bike tire is heated the molecules slow down, when it is cooled they slow down None 3. Predict which of the following situations would improve the performance of a bike tire to proper inflation. a. The tire is overfilled but at night the air cools down b. The tire is underfilled but at night the air cools down. c. The tire is filled correctly and the temperature during the day warms up. d. The tire is overfilled and the temperature during the day warms up. None Time's up
