Quiz about Physics Term 1 Review

Question 1

Which type of energy increases when you compress a spring?

Accepted Answer

elastic potential energy

Answer

kinetic energy

Answer

radiant energy

Answer

sound energy

Question 2

Energy stored because of gravity is called:

Accepted Answer

Gravitational Potential Energy

Answer

Kinetic Energy

Answer

Mechanical Advantage

Answer

Chemical Energy

Question 3

At which point does the ball has the greatest gravitational potential energy (GPE)?

Accepted Answer

A

Answer

G

Answer

D

Answer

C

Answer

G

Question 4

How could you increase the gravitational potential energy of an object without changing its mass and gravity?

Accepted Answer

Raise the object farther off the ground

Answer

Make the object larger

Answer

Lower the object towards the ground

Answer

Allow the object to roll on the ground

Question 5

Which picture is NOT an example of Chemical PE?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 6

Which of the following is a unit for velocity?

Accepted Answer

m/s2

Answer

km/s

Answer

mi/hr

Answer

ft

Question 7

What is the unit for energy?

Accepted Answer

Joules

Answer

Kilograms

Answer

Calories

Answer

Metres

Question 8

The quantity mass can be measured using a beam balance. What is the correct unit and unit-symbol for mass?

Accepted Answer

kilogram, kg

Answer

newton, N

Answer

Kilogram, Kg

Answer

Newton, n

Question 9

Energy stored in the bonds of atoms and molecules.

Accepted Answer

Chemical Energy

Answer

Radiant Energy

Answer

Stored Mechanical Energy

Answer

Gravitational Energy

Question 10

Stored energy

Accepted Answer

Potential Energy

Answer

Thermal Energy

Answer

Stored Mechanical Energy

Answer

Kinetic Energy

Question 11

Motion Energy

Accepted Answer

Kinetic Energy

Answer

Stored Mechanical Energy

Answer

Potential Energy

Answer

Electrical Energy

Question 12

In energy transformations, "wasted energy" usually takes what form?

Accepted Answer

heat

Answer

chemical energy

Answer

light

Answer

sound waves

Question 13

What two forms of energy are given off by a burning candle?

Accepted Answer

heat and light

Answer

mechanical and electrical

Answer

nuclear and light

Answer

potential and heat

Question 14

Which of the following converts chemical energy to electrical energy?

Accepted Answer

Battery

Answer

Person eating food

Answer

Automobile

Answer

Camp Fire

Question 15

What type of energy is in this picture?

Accepted Answer

Potential

Answer

Kinetic

Answer

Electromagnetic

Question 16

As an object's mass increases, its gravitational pull will ____________.

Accepted Answer

increase

Answer

decrease

Answer

stay the same

Answer

get weaker

Question 17

Why would you weigh less on the moon compared to Earth?

Accepted Answer

less gravitational pull

Answer

less air

Answer

less sunlight

Answer

more gravitational pull

Question 18

How much pontential energy is at the top of a hill on a rollar coaster ride

Accepted Answer

100%

Answer

50%

Answer

0%

Answer

20%

Question 19

At which point is potential energy greatest?

Accepted Answer

W

Answer

X

Answer

Y

Answer

Z

Question 20

The independent variable...

Accepted Answer

is the thing we change

Answer

is the thing we measure

Answer

is the thing we draw

Answer

is the thing we keep the same

Question 21

The variable that we measure is called the...

Accepted Answer

dependent variable

Answer

independent variable

Answer

control variable

Answer

dab variable

Question 22

The control variables....

Accepted Answer

are kept the same

Answer

are observed, measured and recorded

Answer

are gotten rid of

Question 23

In an experiment looking at how heat affects evaporation, which is the independent variable (the thing we change)?

Accepted Answer

The amount of heat

Answer

The amount of evaporation

Answer

The amount of water

Question 24

In an experiment looking at how heat affects evaporation, what is the dependent variable (the thing we measure)?

Accepted Answer

The amount of evaporation

Answer

The amount of water

Answer

The amount of heat

Question 25

Bob wants to investigate whether we feel warmer or cooler when wearing shirts of different colours. He designed an experiment: putting thermometers into paper bags of different colours and placing them under a table lamp for 1 hour.

Which of the following is the dependent variable?

Accepted Answer

Temperature of paper bags

Answer

Time of putting under the lamp

Answer

Colour of paper bags

Answer

Type of thermometer

Answer

Size of the paper bags

Question 26

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 27

Lilly's cat ran through your yard. The cat has a mass of 5 kg. He is running at a speed of 3 m/s. What is the kinetic energy of the cat as he runs?

Accepted Answer

22.5 J

Answer

8.5 J

Answer

45 J

Answer

7.5 J

Question 28

Alice kicks a soccer ball with a mass of 2.1 kg. The ball leaves the ground moving 30 meters per second. What is the kinetic energy of the soccer ball?

Accepted Answer

945 J

Answer

567 J

Answer

900 J

Answer

30 J

Question 29

Ty lifts a set of 1250kg weights a vertical distance of 2m in a weight lifting contest. What Potential Energy do the weights now possess?

Accepted Answer

24,500 Joules

Answer

12,789 Joules

Answer

4,500 Joules

Question 30

A exercise ball is on a table 2.5 m above the ground. What is the mass of the ball if it has a GPE of 56.8 J?

Accepted Answer

2.32 kg

Answer

71 kg

Answer

22.72 kg

Answer

142 kg

Question 31

What is the mass of a ball that has a kinetic energy of 115 J and is traveling at 9 m/s?

Accepted Answer

2.84 kg

Answer

1035 kg

Answer

23.5 kg

Answer

12.8 kg

Question 32

Where does most of the energy go in this transformation.

Accepted Answer

Heat

Answer

Electrical energy

Answer

Light

Answer

other

Question 33

Where does most of the energy go for this transformation.

Accepted Answer

light

Answer

heat

Answer

electrical

Answer

joules

Question 34

Assume there are 10 pieces of energy.  Which is a close approximation to the number of pieces that transform into kinetic energy?

Accepted Answer

3

Answer

1

Answer

6

Answer

10

Question 35

The energy efficiency shown in this diagram is:

Accepted Answer

About 60%.

Answer

About 10%.

Answer

About 30%.

Answer

Impossible to tell.

Question 36

A washing machine uses 250J of electrical energy to produce 125J of useful energy. How efficient is it?

Accepted Answer

50%

Answer

5%

Answer

55%

Answer

100%

Question 37

A hairdryer uses 300J of energy to produce 60J of sound energy and 240J of thermal energy. Calculate it's efficiency.

Accepted Answer

80%

Answer

90%

Answer

20%

Answer

100%

Question 38

An iPhone charger coverts 75J of electricty in to 50J of charge and 25J of thermal energy. How efficient is the charger?

Accepted Answer

67%

Answer

10%

Answer

100%

Answer

33%

Physics Term 1 Review

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