Big Idea 10 and 11

Front

Which of the following is an example of change that is caused by applying energy?
- Katie continues to swing back and forth without doing anything.
- When Katie pushes her sister on the swings, the swing moves faster.
- Katie sits at the top of the slide and waits for her sister to finish her turn.
- When Katie stops pushing her sister on the swings, the swing eventually comes to a stop.

Back

When Katie pushes her sister on the swings, the swing moves faster.

Front

Why does Todd have to move his arm in order to make the baseball fly all the way back to home plate?

Back

He has to transfer some of his muscle's energy to the ball to make it move.

Front

How would you describe what happens to the balloons when you rub them on your hair and bring them near one another?

Back

They repel one another.

Front

An electrician wears rubber gloves for protection when working on the wiring in a house. What is the purpose of the rubber gloves?

Back

to insulate the electrician

Front

Which material should the bowl be made from to conduct the heat from the fire most effectively to warm the food? Options: wood, plastic, rubber, aluminum

Back

aluminum

Front

What conclusion can Celine draw from holding a mirror to the light and seeing a spot of light on the ground?

Back

The mirror is reflecting the light onto the ground.

Front

John is practicing his basketball skills. Which of his actions would demonstrate a change caused by applying energy to the basketball? He holds the basketball in his hands. He balances the basketball on his head. He sits on the basketball on the ground. He spins the basketball on his index finger.

Back

He spins the basketball on his index finger.

Front

Ryder writes a summary of a lesson about heat energy. Which statement should Ryder include in his summary? Options: Objects that give off heat always give off light energy. An object’s temperature is not affected by heat transfer. Heat always moves from where it is cooler to where it is warmer. Heat always moves from where it is warmer to where it is cooler.

Back

Heat always moves from where it is warmer to where it is cooler.

Front

What other form of energy does the burning match produce?

Back

thermal

Front

What can you conclude from the information in the chart?

Back

Tap water, saltwater, and aluminum foil are conductors.