Energy and Energy Transfer

Front

What happens to the energy of the cart as it moves from point A to point B on the diagram?

Back

Potential energy is transformed to kinetic energy.

Front

What type of energy is stored in the batteries of a toy robot that can walk and talk?

Back

chemical

Front

Which diagram models the position of a soccer ball when it has the greatest amount of gravitational potential energy?

Back

Front

Energy stored due to the height of an object above the ground.

Back

gravitational potential energy

Front

Which of these has kinetic energy?

• a book sitting on a shelf
• hat and gloves on a table
• cars parked in a parking lot
• a child kicking a soccer ball

Back

a child kicking a soccer ball

Front

Which of these has elastic potential energy?

a vase sitting on a shelf

,

a stretched rubber band

,

a child moving down a slide

,

sugars stored in the molecules of food

Back

a stretched rubber band

Front

Which of these best illustrates chemical potential energy?

a dog playing fetch

,

gasoline in a gas tank

,

water moving down a hill

,

a skydiver about to jump out of a plane

Back

gasoline in a gas tank

Front

A hockey player uses her stick to hit a hockey puck. Which statement describes the overall energy transfer?

Back

Energy is transferred from the player to the puck.

Front

What energy transformation takes place when a hair dryer is used?

Back

Electrical energy is transformed to mechanical, sound and thermal energy

Front

A scientist performed an experiment measuring energy transferred in each step. The total energy transferred was less than the initial amount. What is the most likely explanation?

Back

Some energy was transformed into unwanted heat or sound that was not detected.