Brandon poured hot cocoa into a cold mug. While he was drinking the cocoa, Brandon noticed that the mug was warm. What explains his observation?

• The chemical energy of the cocoa moved into the mug.

• Chemical energy of the cocoa was changed into heat

• The cold of the mug moved into the cocoa.

• The heat of the cocoa flowed into the cold mug.

Tags

NGSS.MS-PS1-4

What happens when a football player kicks a ball?

• The ball loses all its energy.

• The player uses up all his energy.

• The player’s energy of motion increases.

• The ball’s energy of motion increases.

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NGSS.MS-PS2-2

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How does light allow you to see a tree?

• Light goes from your eyes to the tree.

• Light shines on your eyes and on the tree.

• Light falls on the tree and travels back to the sun

• Light reflects off the tree and travels to your eyes.

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NGSS.4-PS4-2

Which is the most stable way of transferring information over long distances?

• Radio signal

• Digital signal

• Sound waves

• Light waves

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A player catches a moving ball. What happens to some of the ball’s energy when it hits the player’s mitt?

• It changes to light.

• It changes to electricity.

• It changes to sound.

• It is destroyed.

Tags

NGSS.MS-PS3-1

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A circuit has a switch, a battery, and a bulb. When the switch is closed, the light turns on. What type of energy moves through the wires of this closed circuit?

• Sound

• Chemical

• Electric

• Physical

Cameron made the circuit shown here in her science class.

What is the most likely reason that the bulb is not lit?

• The bulb is cracked.

• Cameron didn't use a battery.

• Cameron used too many pieces of wire.

• Cameron left the switch open.

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NGSS.MS-PS2-3

Which of these is a renewable resource used to produce electricity?

• Coal

• Uranium

• Natural gas

• Solar energy

What is a wavelength?

• The distance from the middle point of a wave to a trough.

• The distance from the middle point of a wave to a crest.

• The distance from one crest to the next crest or one trough to the next trough.

• The distance from a crest to a trough.

Tags

NGSS.MS-PS4-1

The pavement of a parking lot gets very hot on a sunny summer day. What is the source of that heat?

• Thermal energy

• Water energy

• Wind energy

Tags

NGSS.MS-PS1-4