Energy Transformations Review

Front

When gasoline is burned in a car engine, ________ energy is converted into _________ energy.

Back

chemical, mechanical

Front

Which example involves the transformation of chemical energy directly into light energy? Options: a windmill, a glow stick, photosynthesis, a hydroelectric dam

Back

a glow stick

Front

Which example is a transformation from electrical energy to light energy? Options: motor, flashlight, slow cooker, solar panels.

Back

flashlight

Front

What happens when Jane connects the electric kettle to the power source and the water begins to boil?

Back

Electrical energy is transforming into heat energy.

Front

The rock in the picture is pushed over the edge and it begins to fall. Which type of energy conversion is taking place?

Back

potential to kinetic

Front

Energy used to pluck guitar strings to make sound.

Back

mechanical

Front

A light bulb converts electrical energy into light and ____.

Back

heat.

Front

How can we increase the gravitational potential energy of the car?

Back

Strap a boulder to the car so that it weighs more.

Front

How would you describe the relationship between the mass of a car and its kinetic energy?

Back

As the mass of a car increases, its kinetic energy increases.

Front

The process by which people walk

Back

relies on the conversion of chemical energy from food into mechanical energy by muscles.