M2.2 Energy, forces and motion

True or false. Energy can be created and destroyed.

• True
• False

If a student ran 300 m in 30 seconds, what was her average speed?

• 0.10 m/s
• 10 m/s
• 270 m/s
• 100 m/s

When two objects rub together, what force do they produce

• Gravity
• Air resistance
• Friction
• Water resistance

Dave runs a 400 m race with a speed of 4 m/s. How long will it take him to finish the race?

• 400 seconds

• 100 minutes

• 100 seconds

• 1600 seconds

A car at the top of the drop on a roller coaster has ________ energy.

• potential

• kinetic

• chemical

• sound

In this force diagram, which arrow is representing Friction?

• A

• B

• C

• D

A hot drink has...

• Kinetic Energy

• Heat Energy

• Thermal Energy

• Nuclear Energy

What type of energy is stored in food and fuel?

• Chemical
• Thermal
• Potential
• Calories

Which of the following is a unit of speed ?

•  J/s

• kg/m

• m/s

• kg/s

A car rolling down the drop of a roller coaster has ________ energy.

• potential

• kinetic

• chemical

• sound