Science Review 4

Four soccer balls of the same mass are kicked across the field. The average speed of each ball is shown in the table. Select the soccer ball with the least kinetic energy.

• 1

• 2

• 3

• 4

The picture shows a solar-powered toy. Choose the words to correctly complete the sentence. Light energy from the sun is transferred to the toy as ___________ energy, which is what causes the toy to ____________

• radiant, move

• move, radiant

The two balls in the diagram are going to collide. Both balls have the same mass. Which two statements can be supported by the evidence shown in the diagram?

• When the balls collide, all of the kinetic energy in both balls is lost.

• Both balls will change direction and travel faster after they collide

• Ball X has more kinetic ebergy than ball Y

• Ball Y will change direction after it collides with ball X

Which two statements describe the direction of thermal energy flow in the picture?

• Thermal energy flows from the fire to the man's hands.

• Thermal energy flows from the man's hands to the fire.

• Thermal energy flows from the fire to the ground.

• Thermal energy flows from the ground to the fire.

What is the function of the device with the microphone?

• The device is the source of energy.

• The device provides an energy source.

• The device provides an energy source.

• The device changes sound energy to electrical energy

Is all of the electrical energy transformed into motion energy? Why?

• No, some of the electrical energy is transformed into wind energy

• No, some of the electrical energy is transformed into wind energy

• No, the motion of the fan blades is thermal energy

• Yes, the motion of the fan blades is potential energy

The device shown can be used to cook food. In the device, chemical energy is used to produce heat. Where is this chemical energy stored?

• In the wood

• on the dome

• on the cooking surface

• in the fresh air

What evidence shows that a change in energy occurred in the electric circuit?

• The lemons store energy.

• The nails in the lemon

• The clock is off.

• The lemons are moving.

Garrett works in a job where he extracts fossil fuels from the ground. What is his most likely occupation? Select two correct answer

• He works on a wind farm.

• He works as a logger

• He works as a oil.

• He works as a miner.

A drilling rig is a machine that creates holes in Earth’s surface to dig oil wells and extract oil.

Complete the statement about the future of oil rigs.

The supply of oil is _________, so oil rigs will eventually ________ oil.

• nonrenewable, stop finding

• stop finding, nonrenewable