CBA 2 Review

Match it! Select the correct answer from the pull down...Good luck!

Walkie-talkies and remote-control cars require batteries to work. Which type of energy is used to power these kinds of toys?

Students put a small wooden ball on the end of a spring. They dropped the ball and watched it bounce up and down. One student explained that gravity was the only force making the ball move. Which of the following is a weakness of this explanation?

Matt and Pam placed boards on the curb to race their identical remote control cars on. Matt's board had a rough surface. Pam's board was smooth. Pam's car won 5 out of 5 races. Pam's car was faster than Matt's because of:

What form of energy is being used when a person pushes heavy boxes across the floor?

Students wanted to know if the mass of an object would affect how fast it fell. The students needed to accurately measure the height they would drop the object from and the mass of the object. Which two tools did the students use to get this informat

Which form of energy is demonstrated when a woman pushes a wheelchair?

Conductors allow thermal and electrical energy to pass through easily. Insulators prevent the flow of thermal and electrical energy. Which of the following items is a poor conductor and a good insulator?

Which of these would be a good insulator of electricity?