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Science Exam Review

Total questions: 83

Worksheet time: 2hrs 46mins

Name
Class
Date
1.
240 cm = ___________ m
a)
2400
b)
24
c)
2.4
d)
0.24
2.
1000 m = ___________ km
a)
100
b)
10
c)
1
d)
0.1
3.
3 km = ___________ mm
a)
30
b)
300
c)
3,000
d)
3,000,000
4.
 68 cm = ___________ mm
a)
0.68
b)
6.8
c)
68
d)
680
5.
 330 cm = ___________ m
a)
3,300
b)
33
c)
3.3
d)
0.33
6.
55 mm = ___________ cm
a)
0.55
b)
5.5
c)
550
d)
5,500
7.
183 cm = ___________ m
a)
0.183
b)
1.83
c)
18.3
d)
1,830
8.

m/s2 is a unit of

a)

speed

b)

velocity

c)

acceleration

d)

time

9.

Which of the following could be a unit for Distance?

a)

60 m

b)

50 m/s

c)

70 s

d)

50 m/s/s

10.

A car travels 30 m/s north. What is 30 m/s north?

a)

Distance

b)

Time

c)

Velocity

d)

Acceleration

11.

Which of the following units could be used to measure time?

a)

36 m

b)

36 m/hr

c)

36 m/hr2

d)

36 s

12.
Which of the following units best represents an acceleration?
a)
50 m
b)
50 s
c)
50 m/s
d)
50 m/s/s
13.
Which is not a unit for distance?
a)
50 m
b)
50 ft
c)
50 m/s
d)
50 in
14.

acceleration

a)

m/s2

b)

feet/s2

c)

km/hr/s

d)

cm/s2

15.

velocity

a)

m/s south

b)

m/s2

c)

km/s

d)

km/s2

16.
What is the formula to calculate speed?
a)
S = t/d
b)
S = d/t
c)
S = d x t
d)
S = t x d
17.

A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?

a)

10 m/s

b)

1000 m/s

c)

100 seconds

d)

10 seconds

18.
Calculate the average speed (in meter/sec) if a cheetah runs 180 meters in 10 seconds.
a)
198 m/sec
b)
170 m/sec
c)
12 m/sec
d)
18 m/sec
19.
A bicycle rider travels 100 miles in 4 hours.  What is the cyclist's average speed?
a)
400 miles/hr
b)
25 miles/hr
c)
104 miles/hr
d)
.025 miles/hr
20.
Calculate the distance (in miles) that Daniel bikes if he maintains an average speed of 26 miles/hr for 7 hours
a)
33 miles
b)
3.71 miles
c)
182 miles
d)
676 miles
21.
James walked 14 miles at an average speed of 4 miles/hour.  How long did it take him to walk 14 miles?
a)
18 hours
b)
3.5 hours
c)
18,000 minutes
d)
3.5 seconds
22.
A roller coasters accelerates from an initial velocity of 6.0 m/s to a final velocity of 70 m/s over 4 seconds.  What's the acceleration?
a)
24 m/s2
b)
18 m/s2
c)
16 m/s2
d)
16 m/s
23.
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
d)
None of them
24.
Rockets are launched into space using jet propulsion where exhaust accelerates out from the rocket and the rocket accelerates in an opposite direction.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
25.
A picture is hanging on a wall and does not move.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
26.
A person not wearing a seatbelt flies through a car window when someone slams on the breaks because the person’s body wants to remain in continuous motion even when the car stops.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
27.
Pushing a child on a swing is easier than pushing an adult on the same swing, because the adult has more inertia.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
28.
This law is often called "the law of inertia."
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
29.
A soccer ball accelerates more than a bowling ball when thrown with the same force.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
30.
For every action there is an equal and opposite reaction.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
31.
Friction is a force that acts in an ___________ direction of movement.
a)
similar
b)
opposite
c)
parallel
d)
west
32.

Gravity is the force objects put on each other because of their ______.

a)

Mass and distance

b)

Friendliness

c)

Acceleration

d)

Speed

33.
the tendency of an object to resist a change in its motion
a)
acceleration
b)
inertia
c)
mass
d)
frame of reference
34.

What is the net force?

a)

5 N

b)

45 N to the left

c)

5 N to the right

d)

45 N to the right

35.
What is the FORCE? 
a)
5 N
b)
10 N
c)
400 N
d)
0 N
36.
What is the unit for FORCE? 
a)
N (Newtons)
b)
lbs (pounds)
c)
g (grams)
d)
m/s (meters per second)
37.
If there are two forces going in the SAME direction, you would ...?
a)
(-) Subtract the forces
b)
(+) Add the forces
c)
Neither
d)
(x) Multiply
38.
The FORCE that PULLS things down or back to EARTH.
a)
Speed
b)
Gravity
39.
What is the net force?
a)
17 N Right
b)
3 N Right
c)
3 N Left
d)
17 N Left
40.
A claim is ______________________________.
a)
a kind of shellfish often used in chowder. 
b)
a fact.
c)
a statement or conclusion that answers the original question or problem
d)
a bad thing to make about something.
41.
Evidence is ___________________
a)
A statement or conclusion that answers a question
b)
Scientific data that supports the claim
c)
A justification that connects the claim to the evidence
d)
Not vital when using an argument
42.
Reasoning is __________________.
a)
A statement of conclusion that answers the original question/problem
b)
Scientific data that supports the claim
c)
A justification that connects the evidence to the claim
d)
Empirical Evidence
43.
Which of the following is NOT a claim?
a)
California is the best state in the USA.
b)
Twinkies taste better than other snack cakes because of their texture, their creamy filling, and their golden appearance.
c)
The school year began on August 18 and will end on June 4
d)
Christmas is the best holiday of the year.
44.
According to the American Health Association, peanut butter is a great source of protein.
a)
Claim
b)
Evidence
45.

Air is matter. The weight of the ball increases by 0.5lbs each time air is pumped into it. This shows that air has weight, one of the characteristics of matter.

Which sentence is the claim?

a)

Air is matter.

b)

We found that the weight of the ball increases by .5lbs each time we pumped more air into it.

c)

This shows that air has weight, one of the characteristics of matter.

46.

Air is matter. The weight of the ball increases by 0.5lbs each time air is pumped into it. This shows that air has weight, one of the characteristics of matter.

Which sentence is the reasoning?

a)

Air is matter.

b)

We found that the weight of the ball increases by .5lbs each time we pumped more air into it

c)

This shows that air has weight, one of the characteristics of matter.

47.
Which piece of evidence could be used to BEST support this claim:
High school students should be required to wear uniforms.
a)
When adding everything up, a school uniform could end up costing more than $200.
b)
A student reported, "Allowing us to wear our own clothes gives us a chance to show our unique style and independence."
c)
At one school that recently required students to wear uniforms, attendence rates went up, and behavior incidents went down.
d)
School uniforms can be ordered online .
48.
Which of these best completes the circuit?
a)
rubber band
b)
metal nail
c)
leather shoelace
d)
wooden toothpick
49.
Does this show attraction or repulsion? 
a)
attract
b)
repel
50.
What part of a circuit stops the current?
a)
wire
b)
switch
c)
battery
d)
light
51.
What material is a good conductor?
a)
copper
b)
wood
c)
rubber
d)
plastic
52.
What material is an insulator?
a)
coper
b)
silver
c)
gold
d)
plastic
53.
What is true about magnets?
a)
opposite poles repel
b)
opposite poles attract
c)
only the north pole picks up nails
d)
only the north pole works
54.
A type of circuit where each component is connected, one after the other, in a SINGLE loop. 
a)
series circuit
b)
parallel circuit
55.
This is an example of...
a)
series circuit
b)
parallel circuit
56.

A series circuit will continue to work if one of the light bulbs is unscrewed.

a)

true

b)

false

57.

If two balloons have the same charge the balloons will...

a)

repel

b)

attract

c)

stay neutral

58.

Where is the strongest force of a magnet present?

a)

the ends

b)

the middle

c)

its equal everywhere

59.

Sophia made an electromagnet but it was very weak. How can she make it stronger?

a)

take away the battery

b)

wrap the wire loosely

c)

use less copper wire

d)

coiled more copper wire

60.

What is an electromagnet?

a)

a permanent magnet with a north and south pole

b)

a temporary magnet made from current carrying wire around a magnetic metal core

61.

This is a picture of a simple electromagnet. How can the electromagnet be made stronger?

a)

Remove all the coils and the nail.

b)

Use a smaller battery.

c)

Reverse the poles of the magnet.

d)

Add more coils of wire to the nail.

62.

How are electromagnets different from magnets?

a)

magnets have a North and South pole

b)

you can turn an electromagnet on/off

c)

magnets are more powerful

63.

Why do you think the compass needle is moving when is near to electromagnet?

a)

Because of the magnetic field generated in the wire.

b)

Because of the electricity generated in the compass.

64.
On a graph, which axis shows the dependent variable?
a)
x-axis
b)
y-axis
c)
neither
d)
it changes
65.
On a graph, which axis shows the independent variable?
a)
x-axis
b)
y-axis
c)
neither
d)
it changes
66.

Asher is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. The dependent variable is the _____.

a)

Diameter of the ball

b)

Force acting on the ball

c)

Height that the ball bounces

d)

Height from which the ball is dropped

67.
Identify the independent variable:
The height of bean plants depends on the amount of water they receive. 
a)
The bean seed
b)
The amount of water provided daily
c)
The amount of sunlight they're exposed to daily
d)
How tall they grow by the end of the experiment
68.

Grace is bringing treats to her Algebra 1 class on her birthday. The number of treats she brings is based on the number of students in her class.


Which of the variables is independent?

a)

number of students

b)

number of treats

69.

The amount of matter in an object

a)

Weight

b)

Mass

c)

Volume

d)

Circumference

70.

The one that stays the same no matter where you are.

a)

Bass

b)

Weight

c)

Mass

d)

Weather

71.

Your weight is lower on the moon than on Earth.

a)

True

b)

False

72.
If a 10 kilogram object accelerates suddenly at 15 m/s^2, how much force was applied to the object?
a)
150 Newtons
b)
15 Newtons
c)
150 kilograms
d)
100 kilograms
73.
The mass of a car is 1000 kg.  How much force would be required to accelerate the car at a rate of 3 m/s2? 
a)
1000 ÷ 3
b)
3 ÷ 1000
c)
1000 x 3
74.

This is a _____ wave.

a)

surface

b)

longitudinal

c)

transverse

75.

This is a _____ wave.

a)

surface

b)

longitudinal

c)

transverse

76.

Material through which a wave travels

a)

energy

b)

medium

c)

vibration

d)

disturbance

77.

Height of a wave from resting position

a)

crest

b)

trough

c)

amplitude

d)

wavelength

78.

The distance between two corresponding parts of a wave is the ____.

a)

crest

b)

trough

c)

amplitude

d)

wavelength

79.

The part in a longitudinal wave where the particles are spread apart.

a)

amplitude

b)

compression

c)

frequency

d)

rarefaction

80.

The part of a longitudinal wave where the particles are close together.

a)

amplitude

b)

compression

c)

frequency

d)

rarefaction

81.

The lowest point on a transverse wave is called ____

a)

rarefaction

b)

crest

c)

trough

d)

compression

82.

The number of wavelengths that pass a point each per second is:

a)

frequency

b)

wave speed

c)

amplitude

d)

trough

83.
Top of the wave
a)
Wavelength
b)
Amplitude
c)
Trough
d)
Crest

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