Kinetic Energy

What is the primary cause of thermal expansion?

• Increase in kinetic energy of particles

• Decrease in kinetic energy of particles

• Increase in potential energy of particles

• Decrease in potential energy of particles

What happens to the kinetic energy of an object when energy is transferred to it?

• It increases

• It decreases

• It remains the same

• It fluctuates

When making popcorn, heat flows to a tiny droplet of water inside the kernel, causing it to change into ___.

Select the correct word that makes the sentence in the picture true:

• to

• away from