Quiz about ENERGY REVIEW

Question 1

What is the primary energy transformation in a pendulum swinging from its highest point to the lowest point?

Accepted Answer

Potential to Kinetic

Answer

Chemical to Mechanical

Answer

Mechanical to Thermal

Answer

Kinetic to Potential

Question 2

what type of energy is stored in a battery?

Accepted Answer

chemical

Answer

electrical

Answer

thermal

Answer

mechanical

Question 3

Which statement describes the energy changes that occur when water in a tea kettle is heated on a stove that uses natural gas?

Accepted Answer

Chemical energy to thermal energy to sound energy

Answer

Thermal energy to sound energy to light energy

Answer

Electrical energy to thermal energy to sound energy to light energy

Answer

Light energy to chemical energy to kinetic energy to sound energy

Question 4

Electrical energy is transferred to _____ Energy.

Accepted Answer

Thermal

Answer

Solar

Answer

Chemical

Answer

Electrical

Question 5

Gravitational potential energy depends on the ________ and ________ of the object.

Accepted Answer

Height and mass

Answer

Friction and movement

Answer

Mass and Movement

Answer

Height and Friction

Question 6

Calculate the potential energy of a car with a mass of 2,500 kg that is on a hill 100 meters above sea level.

Accepted Answer

2,450,000 J

Answer

250,000 J

Answer

2,451,663 J

Answer

248 J

Question 7

If the 0.3 kg marble was moving at 6 m/s at the bottom of the ramp, how much kinetic energy did the marble have? (KE = 1/2mv²)

Accepted Answer

5.4 J

Answer

1.8 J

Answer

3 J

Answer

6 J

Question 8

If the 1.2 kg basketball rolls at 3 m/s, what is it's kinetic energy?

Accepted Answer

5.4 J

Answer

2.7 J

Answer

3.6 J

Answer

9 J

Question 9

A 50.0 kg cheetah is running at a speed of 26.83 m/s. What is its kinetic energy?

Accepted Answer

17996.2 J

Answer

1341.5 J

Answer

35388.8 J

Answer

67075 J

Question 10

What is the value of the Earth's acceleration due to gravity (g)?

Accepted Answer

9.8 m/s2

Answer

100 m/s2

Answer

25 m/s2

Answer

3.14 m/s2

Question 11

What is the gravitational potential energy (GPE) of a 1 kilogram book that is 1 meter above the ground?

g = 9.8 m/s²

Accepted Answer

9.8 Joules

Answer

1.0 Joule

Answer

0.10 Joule

Answer

11.8 m/s2

Question 12

An 2 kg apple is hanging in a tree, 10 ft off the ground. What is the gravitational potential energy (gravity = 9.8 m/s²) of the apple?

Accepted Answer

196 J

Answer

960.4 J

Answer

98 J

Answer

1920.8 J

Question 13

Describe the energy in the picture.

Accepted Answer

Elastic Potential

Answer

Gravitational Potential

Answer

Kinetic

Answer

No energy.

Question 14

This picture is an example of...

Accepted Answer

Conduction

Answer

Convection

Answer

Radiation

Question 15

When you touch hot sand, heat is transferred by _________ to your skin.

Accepted Answer

conduction

Answer

convection

Answer

radiation

Question 16

The warm air from this heater creates a current when the warm air rises and the cold air sinks.

Accepted Answer

convection

Answer

conduction

Answer

radiation

Question 17

Snowman melting in the sun.

Accepted Answer

Radiation

Answer

Conduction

Answer

Convection

Question 18

What kind of heat transfer?

Accepted Answer

conduction

Answer

convection

Answer

radiation

Question 19

What is a conductor?

Accepted Answer

a material that heat moves through easily

Answer

a material that heat does not move through easily

Answer

a material that turns cold when heated

Answer

a tool for measuring temperature

Question 20

Stir frying vegetables is an example of

Accepted Answer

Conduction

Answer

Convection

Answer

Radiation

Question 21

The sun shines down on this family as they play on the beach. What type of heat transfer is this?

Accepted Answer

radiation

Answer

conduction

Answer

convection

Question 22

A wave with a large wavelength will have...

Accepted Answer

Low Frequency & Low Energy

Answer

High Frequency & High Energy

Answer

High Frequency & Low Energy

Answer

Low Frequency & High Energy

Question 23

Which term means the distance from the crest of one wave to the next crest?

Accepted Answer

Wavelength

Answer

Amplitude

Answer

Frequency

Question 24

Which section of the electromagnetic spectrum is the ONLY part humans can see?

Accepted Answer

Visible Light

Answer

X-Rays

Answer

Gamma Rays

Answer

Ultraviolet Rays

Question 25

Which EM waves have the shortest wavelength?

Accepted Answer

gamma rays

Answer

radio

Answer

x-rays

Answer

ultraviolet

Question 26

How many volts are in a circuit with a battery that has a resistance of 10 Ohms and a current of 2 Amps?

Accepted Answer

20 Volts

Answer

.5 Volts

Answer

5 Volts

Question 27

This circuit has a 24 volt battery and the resistor is 8 ohms. How many amps are running through the circuit?

Accepted Answer

3 Amps

Answer

192 Amps

Answer

2 Amps

Answer

4 Amps

Question 28

In order to make an electromagnet, you need

Accepted Answer

a battery, a coil of wire, and a nail

Answer

a magnet, a nail, some wires

Answer

a battery, a nail, and a magnet

Answer

a loop of wire, contacts, and a battery

Question 29

if you break a bar magnet in half

Accepted Answer

You will have two complete magnets

Answer

the poles will seperate

Answer

it becomes unmagnetized

Question 30

A north pole of the magnet is brought near a south pole

Accepted Answer

they will attract

Answer

they will repel

Answer

so? nothing will happen

Question 31

The orange line is measuring the _________________________.

Accepted Answer

Amplitude

Answer

Wavelength

Answer

Crest

Answer

Trough

Question 32

Select the correct order of waves on the EMS

Accepted Answer

Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma

Answer

Gamma, X-ray, Ultra, Vis, Infra, Micro, Radio

Answer

Vis, Micro, Infra, Ultra, X-ray, Gamma, Radio

Answer

Micro, Radio, Vis, Infra, Ultra, X-ray, Gamma

Question 33

Sound waves travel as _________ waves.

Accepted Answer

longitudinal

Answer

transverse

Answer

electromagnetic

Question 34

Which point on the model represents the TROUGH of the wave?

Accepted Answer

Point B

Answer

Point A

Answer

Point C

Answer

Point D

Answer

Point E

Question 35

1.  A wave has frequency of 5 Hz and a speed of 25 m/s. What is the wavelength of the wave?

Accepted Answer

5 m

Answer

25 m

Answer

125 m

Answer

25 m/s

Question 36

1. A wave has frequency of 50 Hz and a wavelength of 10 m. What is the speed of the wave?

Accepted Answer

500 m/s

Answer

50 m/s

Answer

5 m/s

Answer

0.5 m/s

Question 37

A closed path that electric current flows is a

Accepted Answer

circuit

Answer

wire

Answer

track

Answer

hallway

Question 38

Rubbing a balloon on hair is an example of static charge build up created by....

Accepted Answer

friction

Answer

conduction

Answer

induction

Answer

hairduction

Question 39

The girl's hair and the comb are attracting one another. The hair and the comb have

Accepted Answer

opposite charges

Answer

like charges

Question 40

Question 40.

Accepted Answer

Switch

Answer

resistor

Answer

Ammeter

Answer

Voltmeter

Question 41

In which of the following circuits will all of the remaining light bulbs go out if bulb 3 burns out?

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

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