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Science

4th Grade

Energy Transformation
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The electric iron converts electrical energy into what energy to smooth clothes?

Sound Energy

Light Energy

Chemical Energy

Heat Energy

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does a fan convert electrical energy into in order to make its blades spin?

Chemical Energy

Sound Energy

Kinetic Energy

Heat Energy

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When turning on a flashlight, the chemical energy in the battery is converted into what type of energy?

Heat Energy

Light Energy

Sound Energy

Motion Energy

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The main source of energy for all energy transformations on Earth is from...

Sun

Fire

Water

Coal

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What energy change occurs when we turn on the television?

Chemical to light and motion

Heat to electricity and motion

Motion to heat and sound

Electricity to light and sound

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Farmers use windmills to pump water. The windmill converts the kinetic energy of the wind into what type of energy?

Electrical energy into sound energy

Kinetic energy into mechanical energy

Light energy into heat energy

Chemical energy into electrical energy

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Explain the energy changes that occur when you turn on a study lamp that is plugged into an outlet.

Heat energy becomes electrical energy

Chemical energy becomes kinetic energy

Kinetic energy becomes sound energy

Electrical energy becomes light and heat energy

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