Energy Transfer

Alonzo has a battery operated toy car. When he turns it on it moves across the floor. Which energy transformation happens in the toy car?

• sound energy to stored energy to electrical energy

• electrical energy to stored energy to motion energy

• motion energy to electrical energy to sound energy

• stored energy to electrical energy to motion energy

Tags

NGSS.MS-PS3-5

he girl is using an electrical blow dryer that has a motor.

Which energy transformation is she using?

• electrical energy into sound and chemical energy

• electrical energy into heat and energy of motion

• sound into electrical energy and energy of motion

• energy of motion into electrical energy and sound

Which device converts electrical energy to light?

Choose the correct answer.

• lamp

• radio

• battery

• solar panel

Identify all sources of electrical energy in your home.

• vacuum

• stool

• fridge

• dryer

Describe the energy transformations that happen in a television.

• heat

• light

• sound

• All the above

Which item changes electrical energy into heat energy?

• microwave

• alarm clock

• child walking

• remote control

Which example uses sound energy?

• chair

• stove

• sink

• alarm clock

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What type of energy do batteries use?

• stored

• chemical and electrical

• chemical

• light