Quiz about Energy

Question 1

What is energy?

Accepted Answer

The ability to do work.

Answer

moving energy

Answer

stored energy

Answer

renewable energy

Question 2

What is potential energy?

Accepted Answer

stored energy

Answer

moving energy

Answer

renewable energy

Answer

non renewable energy

Question 3

What is kinetic energy?

Accepted Answer

moving energy

Answer

potential energy

Answer

stored energy

Answer

renewable energy

Question 4

Heat always travels from...

Accepted Answer

Warm to cool

Answer

Cool to warm

Answer

Warm to warm

Answer

Cool to cool

Question 5

A hot air balloon rising is an example of ...

Accepted Answer

convection

Answer

conduction

Answer

radiation

Answer

connection

Question 6

A snowman melting in the sun

Accepted Answer

radiation

Answer

convection

Answer

conduction

Answer

connection

Question 7

Heating a kettle on a hot stove (burner)

Accepted Answer

conduction

Answer

convection

Answer

radiation

Answer

connection

Question 8

Thermal energy that is transferred from one substance to another.

Accepted Answer

heat

Answer

temperature

Answer

thermal energy

Answer

radiation

Question 9

Warming up near a campfire is an example of ...

Accepted Answer

radiation

Answer

conduction

Answer

convection

Answer

connection

Question 10

At what point does the biker have the greatest Kinetic Energy?

Accepted Answer

Point D

Answer

Point A

Answer

Point B

Answer

Point C

Question 11

At what point does the biker have the greatest Potential Energy?

Accepted Answer

Point B

Answer

Point A

Answer

Point C

Answer

Point D

Question 12

Which Apple has the greatest Gravitational Potential Energy?

Accepted Answer

Apple B

Answer

Apple A

Answer

Apple C

Answer

Apple D

Question 13

Which Apple has the greatest Gravitational Potential Energy?

Accepted Answer

The object with a mass of 50kg because its mass is greater.

Answer

The object with a mass of 3kg because its mass is less.

Answer

Both objects because they are at the same height.

Answer

Neither of the objects because they are at the same height.

Question 14

What type of energy is transformed in the Energy Conversion shown in the image below?

Accepted Answer

Electrical Energy

Answer

Nuclear Energy

Answer

Chemical Energy

Answer

Thermal Energy

Question 15

What is the Energy Conversion that is shown in the image?

Accepted Answer

Radiant to Chemical

Answer

Radiant to Thermal

Answer

Thermal to Chemical

Answer

Chemical to Radiant

Question 16

What is the Energy Conversion that is shown in the image?

Accepted Answer

Chemical to Mechanical

Answer

Thermal to Chemical

Answer

Chemical to Thermal

Answer

Mechanical to Chemical

Question 17

What is the symbol for Thermal Energy?

Accepted Answer

Q

Answer

t

Answer

m

Answer

C

Question 18

What is the symbol for Specific Heat

Accepted Answer

C

Answer

Q

Answer

t

Answer

m

Question 19

Copper, Stainless Steel, Carbon Steel, and Zinc were all heated using the same thermal energy.  What material would be the coolest after being heated?

Accepted Answer

Carbon Steel

Answer

Copper

Answer

Zinc

Answer

Stainless Steel

Question 20

There are four cups of hot cocoa. The cup sizes are shown. The temperature of the cocoa in each cup is 25 degrees celsius. Which cup has the MOST thermal energy?

Accepted Answer

Large cup (Trenta)

Answer

Small cup (Tall)

Answer

Medium cup (Venti)

Answer

All three are the same temperature so they have the same thermal energy

Question 21

Copper, Stainless Steel, Carbon Steel, and Zinc were all heated using 10,000 JOULES of thermal energy. What material would be have the LARGEST change in temperature?

Accepted Answer

Zinc

Answer

Copper

Answer

Carbon Steel

Answer

Stainless Steel

Question 22

A high specific heat means...

Accepted Answer

It requires more energy to change temperature

Answer

It requires less energy to change temperature

Answer

It heats up very quickly

Question 23

lowest possible temperature on the Kelvin scale

Accepted Answer

absolute zero

Answer

boiling point

Answer

insulation

Answer

heat

Question 24

Toy remote control cars require batteries as a power source. Identify the energy transformation that powers an electric generator in a toy remote control car.

Accepted Answer

It transforms chemical potential energy into electrical energy and then into kinetic energy.

Answer

It transforms chemical potential energy into kinetic energy and then into electrical energy.

Answer

It transforms kinetic energy into electrical energy and then into chemical potential energy.

Answer

It transforms electrical energy into kinetic energy.

Question 25

According to the graph, which of these remains constant throughout?

Accepted Answer

total amount of energy

Answer

potential energy

Answer

kinetic energy

Answer

time

Question 26

Cell phones contain rechargeable batteries that transform chemical energy into electrical energy. When using your cell phone, electrical energy is first transformed into ________________ that are transmitted through the air.

Accepted Answer

electromagnetic waves

Answer

sound waves

Answer

sound energy

Answer

mechanical energy

Question 27

A ball is projected into the air. Describe the change(s) in potential and kinetic energy.

Accepted Answer

Kinetic energy decreases as potential energy increases; once at the top, potential energy decreases as kinetic energy increases.

Answer

Potential energy decreases and kinetic energy increases.

Answer

Kinetic energy increases and potential energy decreases.

Answer

Potential energy decreases while kinetic energy increases; then kinetic energy decreases and potential energy increases.

Question 28

As the ball rolls down the ramp, there are changes in kinetic and potential energy. How much kinetic energy does the ball have when it reaches point B?

Accepted Answer

50J

Answer

0J

Answer

25J

Answer

100J

Question 29

Electrical energy is used to turn the blades of a fan. The amount of energy transformed is seen here: 750 J electrical energy is transformed into 400 J kinetic or mechanical energy. What happened to the remaining 350 J of energy?

Accepted Answer

It was transformed into 350 J of heat energy.

Answer

It was lost due to friction.

Answer

It was destroyed by the rotating blades of the fan.

Answer

It was never used and therefore was not transformed.

Question 30

The melting point of the substances are:

Aluminum: 933.5 K

Copper: 1357.8 K

Brass: 1173 K

Silver: 1234.9 K

Platinum: 2041 K

Room temperature: 293 K

The substances referenced in the table are being considered for use in cooking materials. Since the materials must be melted during manufacturing, the energy required for this must be evaluated. Select the statements that accurately compare the energy required to bring a Kg of the materials to their melting point.

Accepted Answer

Brass requires more energy than silver.

Accepted Answer

Aluminum requires more energy than copper.

Accepted Answer

Aluminum requires more energy than brass.

Answer

Silver requires more energy than copper.

Answer

Platinum requires more energy than silver.

Energy

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