Pre/Post Test Practice 1

What type of energy is associated with the motion of particles in a substance?

• heat
• solar
• chemical
• light

Food is an example of what kind of potential energy?

• electrical
• mechanical
• light
• chemical

Most of the energy we use on earth originally came from __________? 

• the center of the earth
• the equator
• the sun
• the moon

The Law of _________________ states that energy can neither be created or destroyed, but only changed from one form to another.

• Energy Production
• First Energy
• Conservation of Resources
• Conservation of Energy

When you stretch a rubber band, you are storing ____________ energy.

• mechanical
• electrical
• solar
• chemical

A falling rock has kinetic energy. Where does the kinetic energy go when the rock hits the ground and stops?

• It is reduced until it disappears.
• It is converted into potential energy again.
• It is converted into heat and sound.
• It is converted into matter.

What are the energy transformations taking place from the batteries from the batteries to the flashlight when it is on?

• heat to magnetic to light
• chemical to magnetic to light
• mechanical to electrical to light
• chemical to electrical to light

What is formed when a wire in an electric circuit is wrapped around an iron core producing a magnetic field? 

• electromagnet
• generator
• series circuit
• electric motor

What is the device seen in the picture?

• electromagnet
• circuit
• generator
• electric motor

The generator changes ___________ energy to ___________ energy. 

• mechanical; light
• electrical; light
• mechanical; electrical
• electrical; mechanical