
CFU | Forces and Energy
Quiz by Denise Sanchez
Track each student's skills and progress in your Mastery dashboards
Groups of students design investigations to test force. The teacher gives each group a marble, a toy car, and a ramp and asks them to design two different investigations to answer the following questions.
Which tools should students you to collect measurement data and answer the questions?
The table shown describes examples of different forces. Identify the force described in each column. The columns are in order as 1, 2, and 3.
A car company conducts an investigation that tests a car's stopping time. The table shows the amount of time it takes a car to stop when traveling 40 kilometers per hour on different surfaces.
Which force allows the car to stop faster on dry asphalt than on other surfaces?

Part A: What is an example of gravitational force?
Part B: Explain why you chose your answer to part B. Describe what gravity is and how you are able to identify when gravity is acting on an object.