Science 4.2

What is one way that electrical energy is used in everyday life?

• To make sounds with a drum

• To operate a computer

• To lift a box from the floor

• Sunlight shining through a window

Which of the following is an example of energy being used to move or lift objects?

• Riding a bike

• Carrying a book across the room

• Running to catch the bus

______ is the ability to do work or to cause change.

• work

• energy

• sound

• movement

_____ is done when a force moves an object across a distance.

• work

• energy

• force

• sound energy

______________ is energy when we can hear.

• sound energy

• kinetic energy

• potential energy

• light energy

What is stored energy?

• mechanical energy

• sound energy

• electrical energy

• potential energy

What is the main source of energy at Earth's surface?

• sun

• moon

• light

• plants

Electrical energy can power things up such as ______

• a dog

• a lamp

• students

• a book

Musical instruments produce ________

• sound energy

• mechanical energy

• light energy

• heat

Potential energy changes to _____ energy when you release a stretched spring.

• kinetic

• mechanical

• light

• electrical