Energy (Transfer and Transform)

What kind of energy is represented in this picture?

• thermal

• potential

• nuclear

• kinetic

What electrical device changes electrical energy into light and sound energy?

• battery

• lightbulb

• alarm clock

• apple

On a roller coaster, where is maximum potential energy?

• At the bottom of a big hill

• When going around a corner

• When going upside down

• At the top of a big hill

What does the Law of Conservation of Energy state?

• energy is always created, but not destroyed

• energy cannot be created or destroyed

• energy cannot be created, but can be destroyed

• energy is always being created and destroyed

How does heat transfer when noodles are cooked on the stove?

• Heat moves from the water to the noodles to the stove

• Heat moves from the stove to the air to the noodles

• Heat moves from the stove to the pot to the water to the noodles

• Heat moves from the pot to the air to the stove to the noodles

What is the correct energy chain diagram that would occur in a battery powered flashlight?

• chemical → electrical → light

• chemical → heat → light

• electrical → chemical → light

• chemical → light → electrical

As a car skids to a stop, friction transforms kinetic energy into ________.

• thermal energy

• solar energy

• chemical energy

• electrical energy

Which three objects transform electrical energy into mechanical energy? Use the picture to answer the question.

• Radio, battery and heat pack

• Television, fan and battery

• Battery, heat pack and hair dryer

• Washing machine, hair dryer and ceiling fan

Which of these objects has the most kinetic energy?

• A 1 ½ ton car going 60 mph

• A 1 ½ ton car going 70 mph

• A 2 ton truck going 60 mph

• A 2 ton truck going 70 mph

Which of the following graphs correctly shows what happens to the speed of particles in an object when heat energy is added to a substance?

• Graph A

• Graph B

• Graph C

• Graph D