Quiz about Physical Science Sem 2 Final Review

Question 1

Which letter shows a rarefaction?

Accepted Answer

B

Answer

A

Answer

C

Question 2

Which letter shows a compression?

Accepted Answer

A

Answer

B

Answer

C

Question 3

Which letter shows a wavelength?

Accepted Answer

C

Answer

A

Answer

B

Question 4

Electrical wires sometimes have a plastic coating wrapped around them. How does this make the wires safer to handle?

Accepted Answer

Plastic is a good insulator

Answer

Plastic is smooth and not easily frayed

Answer

Plastic will melt if the wires overheat

Answer

Plastic does not react chemically with air

Question 5

Is chemical energy a type of potential or kinetic energy?

Accepted Answer

Potential

Answer

Kinetic

Question 6

Is elastic energy a type of potential or kinetic energy?

Accepted Answer

Potential

Answer

Kinetic

Question 7

Is gravitational energy a type of potential or kinetic energy?

Accepted Answer

Potential

Answer

Kinetic

Question 8

Is nuclear energy a type of potential or kinetic energy?

Accepted Answer

Potential

Answer

Kinetic

Question 9

Is radiant energy a type of potential or kinetic energy?

Accepted Answer

Kinetic

Answer

Potential

Question 10

Is thermal energy a type of potential or kinetic energy?

Accepted Answer

Kinetic

Answer

Potential

Question 11

Which of Newton's Laws says: An object at rest stays at rest while an object in motion stays in motion

Accepted Answer

First

Answer

Second

Answer

Third

Question 12

Which of Newton's Laws says: For every action, there is an equal and opposite reaction

Accepted Answer

Third

Answer

First

Answer

Second

Question 13

Which of Newton's Laws says: Force is related to mass and acceleration (F=ma)

Accepted Answer

Second

Answer

First

Answer

Third

Question 14

Why are fossil fuels (such as coal and gas) considered to be nonrenewable resources?

Accepted Answer

They are no longer being produced

Answer

They are being used faster than they are produced

Answer

They are being used as fast as they are produced

Answer

They contain hydrocarbons

Question 15

Waves transfer...

Accepted Answer

Energy only

Answer

Matter and energy

Answer

Matter only

Question 16

Which of the following is a type of wave?

Accepted Answer

Seismic

Answer

Crest

Answer

Frequency

Answer

Trough

Question 17

True or False: All objects in the universe attract one another

Accepted Answer

True

Answer

False

Question 18

The amount of matter in something determines its

Accepted Answer

Mass

Answer

Energy

Answer

Magnetism

Answer

Weight

Question 19

The negatively charged particles in an atom are the...

Accepted Answer

electrons

Answer

negatrons

Answer

protons

Answer

neutrons

Question 20

When a rollercoaster rides along its tracks, the tracks get really hot. Which force explains the phenomenon?

Accepted Answer

Frictional Force

Answer

Air Resistance Force

Answer

Normal Force

Answer

Tension Force

Question 21

Which type of energy is associated with moving objects or objects that could move later?

Accepted Answer

Mechanical

Answer

Thermal

Answer

Radiant/Light

Answer

Electromagnetic

Question 22

Which type of energy from waves such as light, radio, or x-rays?

Accepted Answer

Radiant/Light

Answer

Thermal

Answer

Electromagnetic

Answer

Mechanical

Question 23

Which type of energy is associated with heat?

Accepted Answer

Thermal

Answer

Radiant/Light

Answer

Electromagnetic

Answer

Mechanical

Question 24

Which type of energy is associated with moving electrons and magnetism?

Accepted Answer

Electromagnetic

Answer

Thermal

Answer

Radiant/Light

Answer

Mechanical

Question 25

A(n) _____ is formed by placing a piece of iron inside a current carrying wire

Accepted Answer

electromagnet

Answer

force of gravity

Answer

pole

Answer

current

Question 26

What is the net force on this box?

Accepted Answer

5 N left

Answer

18 N right

Answer

0 N

Answer

9 N left

Question 27

A magnet exerts a force on...

Accepted Answer

magnets

Accepted Answer

magnetic materials

Answer

charged objects

Answer

non-magnetic materials

Question 28

As the size of two charges (q) increases, the force between them...

Accepted Answer

increases

Answer

decreases

Answer

stays the same

Question 29

Which part of the electromagnetic spectrum can we see?

Accepted Answer

Visible light

Answer

UV rays

Answer

Microwave

Answer

Infrared rays

Question 30

A(n) ____ is a push or a pull that one body exerts on another

Accepted Answer

force

Answer

acceleration

Answer

motion

Answer

velocity

Question 31

____ is a measure of average kinetic energy

Accepted Answer

Temperature

Answer

Heat

Answer

Thermal energy

Answer

Total energy

Question 32

What type of energy does a skydiver falling towards earth have?

Accepted Answer

Kinetic and potential

Answer

Kinetic only

Answer

Potential only

Question 33

In which medium would sound travel most quickly?

Accepted Answer

Solid

Answer

Liquid

Answer

None (i.e. space)

Answer

Gas

Question 34

What is the gravitational potential energy of a dictionary that has a mass of 5.0 kg and is located 2.0 m above the ground (g = 10)

GPE = mgh

Accepted Answer

100 J

Answer

200 J

Answer

5 J

Answer

2 J

Question 35

If charges have the same sign (e.g. both positive), they...

Accepted Answer

repel

Answer

attract

Question 36

If charges have the opposite sign (e.g. one positive, one negative), they...

Accepted Answer

attract

Answer

repel

Question 37

The total kinetic and potential energy of the particles in matter is its

Accepted Answer

thermal energy

Answer

absolute value

Answer

heat

Answer

temperature

Question 38

Sounds are produced by

Accepted Answer

vibrations

Answer

frequencies

Answer

reverberations

Answer

pitch

Question 39

True or False: At the same temperature, 1 kg of water has the same amount of energy as 2kg of water

Accepted Answer

False

Answer

True

Question 40

Does the following scenario best represent Newton's first, second, or third law:

A full garbage truck takes 15 seconds to reach 30 mph. An empty garbage truck takes 5 seconds to reach the same speed

Accepted Answer

Second

Answer

First

Answer

Third

Question 41

As the distance between two objects increase, the force of gravity between them...

Accepted Answer

decreases

Answer

increases

Question 42

What is the force required to throw a baseball that has a mass of 1kg with an acceleration of 30 m/s2? (F=ma)

Accepted Answer

30 N

Answer

3 N

Answer

90 N

Answer

15 N

Question 43

As the mass of an object increases, the force of gravity

Accepted Answer

increases

Answer

decreases

Question 44

A student slides down a straight slide. Assuming there is no friction, at which location on the slide does the student have the greatest amount of kinetic energy?

Accepted Answer

At the bottom of the slide

Answer

At the top of the slide

Answer

In the middle of the slide

Answer

It's equal at all parts of the slide

Question 45

Does the following scenario best represent Newton's first, second, or third law:

A cannon moves backward after firing

Accepted Answer

Third

Answer

First

Answer

Second

Question 46

Which of the following is a force?

Accepted Answer

Friction

Answer

Velocity

Answer

Inertia

Answer

Acceleration

Question 47

The ____ is the combination of all forces acting on an object

Accepted Answer

net force

Answer

inertia

Answer

direction of motion

Answer

force pair

Question 48

Which term best describes the forces on an object with a net force of zero?

Accepted Answer

Balanced forces

Answer

Unbalanced forces

Answer

Acceleration

Answer

Inertia

Question 49

The graph shows the kinetic energy of a falling rock. At what time does the rock hit the ground?

Accepted Answer

4s

Answer

1s

Answer

2s

Answer

3s

Question 50

Which depends on gravity: mass or weight?

Accepted Answer

Weight

Answer

Mass

Question 51

What type of energy is the energy stored in the nucleus of an atom

Accepted Answer

Nuclear

Answer

Gravitational

Answer

Elastic

Answer

Chemical

Question 52

What type of energy is the energy stored in chemical bonds?

Accepted Answer

Chemical

Answer

Nuclear

Answer

Gravitational

Answer

Elastic

Question 53

What type of energy is the energy an object has because of its height above the ground?

Accepted Answer

Gravitational

Answer

Nuclear

Answer

Elastic

Answer

Chemical

Question 54

What type of energy is the energy stored in a stretched or pressed object?

Accepted Answer

Elastic

Answer

Nuclear

Answer

Gravitational

Answer

Chemical

Question 55

Which type of heat transfer is does not require matter?

Accepted Answer

Radiation

Answer

Convection

Answer

Conduction

Question 56

Which type of heat transfer is through the direct contact of particles?

Accepted Answer

Conduction

Answer

Convection

Answer

Radiation

Question 57

Which type of heat transfer is through the movement of matter?

Accepted Answer

Convection

Answer

Conduction

Answer

Radiation

Question 58

Which of the metals pictured is the best conductor of thermal energy?

Accepted Answer

Copper

Answer

Nickel

Answer

Iron

Answer

Brass

Question 59

The regions on a magnet where the magnetic force is the strongest is called the ____

Accepted Answer

pole

Answer

north side

Answer

center

Answer

electromagnet

Question 60

If a skater sits at the top of a ramp, not moving, with a potential energy of 200J, what will their energy be at the bottom of the hill?

Accepted Answer

200 J

Answer

100 J

Answer

0 J

Answer

400 J

Question 61

Does the following scenario best represent Newton's first, second, or third law:

A magician can do the tablecloth trick by quickly pulling the table cloth out, leaving the dishes undisturbed

Accepted Answer

First

Answer

Second

Answer

Third

Question 62

A girl on a roller skates accelerates at a rate of 5 m/s2 with a force of 250 N. What is her mass? ( m = f/a)

Accepted Answer

50 kg

Answer

5 kg

Answer

25 kg

Answer

10 kg

Question 63

A book sliding across a horizontal table slows down and comes to a stop. The book's kinetic energy was converted into what form of energy?

Accepted Answer

Thermal

Answer

Mechanical

Answer

Gravitational

Answer

Chemical

Question 64

Which of the following cannot happen, according to the law of conservation of energy?

Accepted Answer

Energy cannot be created

Answer

Energy cannot be converted

Answer

Energy cannot be changed

Answer

Energy cannot be destroyed

Physical Science Sem 2 Final Review

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