Forms of energy

Margaret drew pictures to show four forms of energy. Which picture is NOT a good example of mechanical energy?

• electric fan

• desk lamp

• child on a swing

• person in a sailboat

Salim and Peggy are learning about light waves. They put a pencil into a glass half full of water. Why does the pencil illustrate a property of light rays?

• It gets wet

• It looks broken

• It gets cooler

• It does not fit in the glass

Tags

NGSS.MS-PS4-2

The foods we eat provide energy. Which type of energy does food provide directly to our bodies?

• chemical

• electrical

• heat

• mechanical

Bayo made a list of things that use batteries. Which type of energy is stored in batteries?

• light

• heat

• chemical

• mechanical

Tags

NGSS.MS-PS1-5

NGSS.MS-PS3-5

The pictures show two different forms of energy. What is one difference between sound energy and light energy?

• Sound energy does not travel in waves.

• Sound energy is caused by electricity.

• Sound energy cannot move through empty space.

• Sound energy is not reflected when it strikes a surface.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2