Energy Conservation - SC.7.P.11.3

Front

As the cars of a rollercoaster race down a hill, energy transformations take place. Which of the following is true?

Back

Some potential energy is transformed to kinetic energy and other forms of energy.

Front

Based on the law of conservation of energy, what happened to the light energy in the reaction: water + carbon dioxide + light energy = sugar + oxygen?

Back

It was converted into chemical energy stored in the sugar.

Front

(SC.7.P.11.3) Energy may be transformed from one form to another. What happens during every transformation of energy?

Back

Energy is conserved.

Front

According to the law of conservation of energy, energy may be changed from one form to another but cannot be created or destroyed. Which of the following processes best demonstrates this idea of conservation? a person cutting down trees in a forest, a person recycling various materials, a person using a bulldozer to tear down a building, a person creating a painting

Back

a person recycling various materials

Front

How does listening to music on a radio obey the law of conservation of energy?

Back

Electrical energy is converted into other forms of energy, such as sound.

Front

What happened to the batteries of Katrina's digital camera when they were dead?

Back

All the energy stored in the batteries had been transformed.

Front

Larissa is a very energetic person and has a hard time sitting still in class. One time in math class, her teacher asked Larissa where she got all of her energy. What answer did Larissa give her math teacher?

Back

I just transform it.

Front

If the energy content of an object is 1,000 J, but then later it is found to be 900 J, what happened to 100 J of its energy?

Back

The object transferred some of its energy to its surroundings.