2021 Science Final

Burning a match would be an example of what energy transfer?

• Mechanical to light to thermal

• Light to mechanical to thermal

• Light to thermal to mechanical

• Chemical to light to mechanical

According to the law of conservation of energy...

(Check ALL that apply)

• Can be destroyed

• Can't be destroyed

• Can be created

• Can't be created

As a rock is falling from a cliff, which of the following is true?

• Potential energy goes up as kinetic goes down

• Potential energy goes down as kinetic goes up

• Both potential and kinetic go down

• Both potential and kinetic go up

How does heat move?

• From areas that are hot to areas that are cold

• From areas that are cold to areas that are hot

• Heat moves equally from hot and cold areas

• Heat does not move

While stirring a pot of boiling water with a metal spoon, the spoon becomes hot. What transfer accrued?

• Conduction

• Convection

• Radiation

• Chemical

While your glass of ice tea sits, you notice that the ice melts. Which of the following would MOST LIKELY be the main cause of the ice melting?

• The heat flows from the glass to the ice, melting the ice

• The heat flows from the air to the ice, melting

• The heat flows from the tea to the ice, melting the ice.

• The heat flows from the ice to the tea, melting the ice.

On the 4th of July, you get a glow necklace and break it and shake the contents, causing it to glow. What is the MAIN energy transfer?

• Thermal to light

• Light to mechanical

• Mechanical to light

• Chemical to light

In the process of photosynthesis, what type of energy is USED to make new substances?

• chemical

• thermal

• light

• electrical

At the top of the roller coaster, you calculate that the potential energy is 2000J. You know that kinetic energy at the bottom of the roller coaster should be the same, but it is not. Where did this energy most likely go?

• It was destroyed

• It was transferred to thermal

• It was transferred to electrical

• It was transferred to nuclear

A baseball flying through the air would have what type of energy because of its movement?

• potential

• kinetic

• electrical

• nuclear