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1st Semester Grade Recovery assignment

Total questions: 90

Worksheet time: 4hrs 32mins

Name
Class
Date
1.
Bob ran the 50 meter dash. It took him 6.3 seconds. What was his average speed in meters/second?
a)
7.9 m/s
b)
0.1 m/s
c)
50 m/s
d)
6.3 m/s
2.
What is the formula for calculating speed? 
a)
S=T/D
b)
S = D/T
c)
S= D X T
3.
A snowboarder was in a competition. It took her 53 seconds to ride down a 75 meter hill. What was her average speed in meters per second?
a)
0.7 m/s
b)
53 m/s
c)
1.4 m/s
d)
75 m/s
4.
The ice skaters are in motion. What is a good reference point to describe their motion. 
a)
Their ice skates
b)
The wall behind them
c)
The people in the crowd
5.
Total distance divided by total time is
a)
average speed
b)
constant speed
c)
instantaneous speed
d)
acceleration
6.
What does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Not moving
7.
Which runner won the race?
a)
A
b)
B
c)
C
d)
It was a tie
8.
According to the graph how far does the person travel in the first 5 seconds?
a)
2 m
b)
10 m
c)
0 m
d)
5 m
9.
What is the person doing from 5 seconds to 10 seconds?
a)
Walking 
b)
Running
c)
Standing Still 
d)
Walking Fast
10.
Velocity is both ____ and _____. 
a)
speed , direction 
b)
direction, mass
c)
volume, density 
d)
direction, magnitude 
11.
Which of the following represents a velocity?
a)
40 m
b)
40 m north
c)
40 m/s
d)
40 m/s north
12.
In which of the following graphs (click the image) are both runners moving at the same speed (note that graph c is the bottom right graph, and graph d is the bottom left graph)? 
a)
Graph A
b)
Graph B
c)
Graph C
d)
Graph D
13.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
14.
What is the speed of the red line?  
a)
4 m/s 
b)
16 m/s 
c)
32 m/s 
d)
2 m/s 
15.
What is a force?
a)
a push or pull
b)
speed or acceleration 
c)
potential or kinetic energy
d)
balanced or unbalanced force
16.
When objects remain in the same place, it is called...
a)
gravity
b)
friction
c)
balanced force
d)
unbalanced force
17.
What is the force that causes everything to be pulled down to the Earth?
a)
friction
b)
gravity
c)
balanced
d)
unbalanced
18.
Force is measured in....
a)
Galileos 
b)
Newtons
c)
Di Vincis
d)
Einsteins 
19.
When an object is getting faster, it is called....
a)
potential energy
b)
kinetic energy
c)
acceleration
d)
deceleration 
20.
Inertia is....
a)
for every action, there is an equal and opposite reaction
b)
larger objects take more force to move 
c)
an object in motion tends to stay in motion unless acted on by an opposite force
d)
a push that acts in the opposite direction and it slows down.
21.

A change in an objects position

a)

speed

b)

motion

c)

force

d)

direction

22.

the amount of space between two places

a)

direction

b)

speed

c)

distance

d)

velocity

23.

a force that opposes motion between two surfaces that are touching

a)

speed

b)

pull

c)

friction

d)

push

24.

Four students were in a race. The table shows how long it took each student to finish. Who won the race?

a)

Jason

b)

Landon

c)

Kyle

d)

Alicia

25.

Mrs. Labella's class was studying motion. The data table shows the results of an experiment. Based on the evidence, which students had balls that rolled at the same speed?

a)

Gregory and Connor

b)

Holly and Avery

c)

Holly and Connor

d)

Connor and Avery

26.

When two forces acting upon each other are not equal in size causing motion.

a)

Unbalanced forces

b)

Balanced forces

c)

Motion

d)

Net force

27.

Overall force acting on an object when all of the forces on it are combined.

a)

Balanced force

b)

Contact force

c)

Net force

d)

Force

28.

What will the net force on the soccer ball be?

a)

50 N to the left

b)

50 N to the right

c)

200 N to the left

d)

200 N to the right

29.

What is the net force on the car?

a)

400 N forward (left)

b)

0 N (balanced forces)

c)

200 N forward (left)

d)

200 N backward (right)

30.

7. A car traveling at 90 kilometers/hour when it suddenly stops. The passengers in the car will

a)

continue to move in a straight line and will slide forward in the car.

b)

come to a stop at the same time the car stops

c)

be pushed against the door on the passenger side

d)

be pushed against the door on the driver's side

31.

Person on the left = 45 N

Person on the right = 32 N

What is the net force?

a)

zero N

b)

10 N

c)

77 N

d)

13 N

32.

Which scientist gave us the laws of motion?

a)

George Washington

b)

John Adams

c)

Sir Isaac Newton

33.
As an objects mass increases, the gravity of the object________.
a)
increases
b)
decreases
c)
stays the same
d)
goes up and down
34.
a)
1st
b)
2nd
c)
3rd
d)
law of motion
35.
A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
36.
A person not paying attention while skateboarding hits a rock. The skateboard stops...they don't.
a)
The Law of Inertia (1st law)
b)
The Law of Acceleration (2nd law)
c)
The Law of Conservation of Momentum
d)
Action Reaction Law (3rd law)
37.
Newton's third law states that any action will have a(n) _______ and ______ reaction
a)
Equal and similar
b)
Equal and opposite
c)
Equal and different
d)
Greater and opposite
38.
a)

1

b)

2

c)

3

d)

All of the above

39.
Which one is balanced?
a)
top
b)
bottom
c)
both
d)
neither
40.
What is the magnitude (size) and direction of the net force?
a)
15 N to the left
b)
15 N to the right
c)
1 N to the left
d)
1 N to the right
41.

What is energy?

a)

moving energy

b)

stored energy

c)

renewable energy

d)

The ability to do work.

42.
What kind of energy is represented in this picture?
a)
Thermal
b)
Potential
c)
Nuclear
d)
Mechanical
43.
What kind of energy does this device use?
a)
Chemical
b)
Electrical
c)
Thermal
d)
Chemical
44.
What kind of energy is represented in the picture?
a)
Thermal
b)
Chemical
c)
Sound
d)
Nuclear
45.
The glow sticks produce light for a short amount of time. The light from the glow stick is a conversion from what to what?
a)
thermal to light
b)
gravitational to potential
c)
radiant to electrical
d)
chemical to light
46.
On a roller coaster, where is maximum potential energy?
a)
At the bottom of a big hill
b)
When going around a corner
c)
When going upside down
d)
At the top of a big hill
47.
Energy that is stored in bonds between atoms is:
a)
Mechanical energy
b)
Chemical energy
c)
Kinetic energy
d)
Nuclear energy
48.
Energy that comes from the nucleus of an atom. A form of potential energy.
a)
chemical energy
b)
Nuclear energy
c)
Sound energy
d)
Electrical energy
49.
According to which law of energy, energy can't be created or destroyed?
a)
First law of motion
b)
The law of tacos
c)
Laws of Energy
d)
law of conservation of energy
50.
What type of energy includes both kinetic and potential energy?
a)
mechanical energy
b)
chemical energy
c)
heat energy
d)
sound energy
51.
Stored energy is called ______ energy.
a)
Kinetic
b)
Potential
c)
Pacific
d)
Safe
52.

Potential energy depends on ____________ & ______________.

a)

mass, speed

b)

mass, position

c)

speed, position

d)

mass, weight

53.

Kinetic energy depends on _____________ & _____________.

a)

mass, speed

b)

mass, position

c)

mass, weight

d)

speed, distance

54.

What type of energy transformation occurs, when a hawk eats a mouse and then uses the energy from the mouse to fly?

a)

mechanical energy to chemical energy

b)

thermal energy to mechanical energy

c)

chemical energy to mechanical energy

d)

mechanical energy to thermal energy

55.

What is the energy transformation that occurs in an electric pencil sharpener?

a)

mechanical energy to electrical energy

b)

electrical energy to mechanical energy

c)

radiant energy to sound energy

d)

chemical energy to mechanical energy

56.

Which object shows an energy transformation from electrical to mechanical?

a)
b)
c)
d)
57.

What type of energy transformation occurs in an electric hot that is turned on?

a)

thermal energy to electrical energy

b)

electrical energy to thermal energy

c)

thermal energy to mechanical energy

d)

mechanical energy to thermal energy

58.

When a car burns gasoline it creates hot air to move the pistons in the engine, which causes the car to move. What energy transformation occur from the fuel to the movement of a car?

a)

thermal energy to mechanical energy

b)

thermal energy to chemical energy to mechanical energy

c)

chemical energy to thermal energy to mechanical energy

d)

chemical energy to electrical energy

59.

Which of the following is a disadvantage of using solar energy?

a)

releases carbon dioxide into the atmosphere

b)

reduces the need for electricity from fossil fuels

c)

produces energy only when the sun is shining

d)

is an unclean source of energy

60.
The diagram shows a complete circuit with a battery and a buzzer making noise. This circuit works by transforming -
a)
chemical energy to electrical to sound.
b)
electrical energy to thermal to light.
c)
sound energy to electrical to chemical.
d)
mechanical energy to electrical to sound.
61.
what type of energy is stored in a battery?
a)
electrical
b)
chemical
c)
thermal
d)
mechanical
62.

The roller coaster cart has the most kinetic energy at position-

a)

W

b)

X

c)

Y

d)

Z

63.
A hairdryer converts -- 
a)
electrical energy into chemical
b)
electrical energy into thermal
c)
chemical energy into mechanical
d)
thermal energy into mechanical
64.
A student listens to music with a digital music player, similar to the one shown below. Which best describes the energy transformations that take place in the music player?
a)
Mechanical to chemical to electrical
b)
Chemical to sound to electrical
c)
Chemical to electrical to sound
d)
Electrical to heat to sound
65.

Where is the kinetic energy the greatest?

a)

A

b)

B

c)

C

d)

D

66.

A change from one form of energy to another

a)

energy conservation

b)

energy transformation

c)

potential energy

d)

kinetic energy

67.

How are different forms of energy related?

a)

they can all be transformed into other forms of energy

b)

none of them can be transformed into other forms of energy

c)

they can be created

d)

they can be destroyed

68.

A pendulum has the most kinetic energy when?

a)

at the top of its swing

b)

at the bottom of its swing

69.

According to the Law of Conservation of Energy, when one form of energy is transformed into another, __________ energy is lost in the process

a)

no

b)

some

c)

all

70.

Whenever a moving object experiences friction, some of its kinetic energy is transformed into __________ energy.

a)

thermal

b)

electrical

c)

nuclear

d)

mechanical

71.

What kind of energy in the sun transforms into electromagnetic energy?

a)

nuclear

b)

thermal

c)

electric

d)

chemical

72.
The sun shines down on this family as the play on the beach.
a)
conduction
b)
convection
c)
radiation
73.
A group of friends gather around a fire to stay warm.
a)
conduction
b)
convection
c)
radiation
74.
The Gulf Stream is a current that brings warm ocean water from the south to the north.
a)
conduction
b)
convection
c)
radiation
75.
Blow drying your wet hair.
a)
conduction
b)
convection
c)
radiation
76.
The man goes to take the hot pot off the stove with his bare hands.
a)
conduction
b)
convection
c)
radiation
77.
Warm air rises and the cool air sinks.
a)
conduction
b)
convection
c)
radiation
78.
The baby chickens are kept warm from the heat lamps.
a)
conduction
b)
convection
c)
radiation
79.
In this experiment, the WARM red dye and the COLD blue dye was placed in the water at the same time. The warm red dye rose to the top while the cold blue dye sank to the bottom.
a)
conduction
b)
convection
c)
radiation
80.
The candle will slowly heat the metal and transfer the heat directly to the mans hand.
a)
conduction
b)
convection
c)
radiation
81.
Heat transfers from an area of ____temperature to an area of ___ temperature.
a)
high to low
b)
low to high
c)
high to high
82.
Molecules in cold things move more _________
than in hot things.
a)
quickly
b)
slowly
c)
happily
d)
merrily
83.

A conductor

a)

Is usually a metal

b)

Conducts heat

c)

Can be a copper wire

d)

All of the above

84.

An insulator

a)

Is usually a metal

b)

Opposes electrical current meaning electric charges do not flow freely

c)

Conducts electrical current very easily

d)

Works by electrons jumping from atom to atom through a wire

85.

The best insulators are

a)

Plastic, rubber, wood, glass

b)

Silver, air, paper, silicon

c)

Copper, aluminium, gold, steel

d)

Ceramic, fabric, paper clip, cork

86.

Why are the poles of a power line in our street made of wood?

a)

Wood is a conductor- they stop electrical current from the power lines hitting the ground

b)

So that during thunderstorms in winter, there isn't as much electrical current in the power line

c)

Because electrons can move faster through wood compared to any other material

d)

Wood is an insulator- they stop electrical current from the power lines hitting the ground

87.

Which of these is not an electrical insulator

a)

Wood

b)

Plastic

c)

Silver

d)

Glass

88.

Which of the following is not an electrical conductor

a)

Gold

b)

Copper

c)

Aluminium

d)

Rubber

89.

Why are the wires of a toaster coated in plastic?

a)

Plastic is stronger than other materials

b)

Plastic is a good electrical conductor

c)

Plastic protects people from electricity because it is an insulator

d)

Only plastic can be made into the right shape of a wire

90.
What happens when ice cubes melt in a glass?
a)
Heat travels from the ice to the warmer water.
b)
No energy is transferred.
c)
Heat is transferred from the warmer water to the ice cubes.
d)
The water warms up due to the humidity

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