Energy Transformation

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

• Sound Energy

• Light Energy

• Chemical Energy

• Heat Energy

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

• Chemical Energy

• Sound Energy

• Kinetic Energy

• Heat Energy

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

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

• Sun

• Fire

• Water

• Coal

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

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

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

Why can we hear music from the radio? Because the radio converts electrical energy into...

• Sound

• Light

• Chemical

• Motion

When we eat rice, the body converts the chemical energy in rice into what type of energy for activities?

• Light and sound energy

• Electrical and motion energy

• Motion and heat energy

• Potential and chemical energy

The kitchen often uses a gas stove. What type of energy does the gas stove convert into heat for cooking?

• Sound energy into light energy

• Chemical energy into heat energy

• Kinetic energy into electrical energy

• Electrical energy into kinetic energy