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Science 3 Review

Total questions: 95

Worksheet time: 3hrs 10mins

Name
Class
Date
1.

A change in an object's position, direction or location

a)

Position

b)

Force

c)

Motion

d)

Inertia

2.

What is force?

a)

a push or a pull

b)

motion

c)

acceleration

d)

interaction

3.

An object at rest stay at rest and an object in motion stays in motion until acted upon by an unbalanced force.

a)

Newton's 3rd Law

b)

Force

c)

Newton's 2nd Law

d)

Newton's 1st Law

4.

For every action there is an equal and opposite reaction.

a)

Newton's 2nd Law

b)

Newton's 1st Law

c)

Newton's 3rd Law

d)

None of the above

5.

Equal forces that do not cause a change in an objects motion

a)

Unbalance force

b)

Push or a pull

c)

Balanced force

d)

Average speed

6.

Are unequal forces that cause a change in the motion of an object

a)

Balanced forces

b)

Unbalanced forces

c)

Inertia

d)

Gravity

7.
The change in a objects position is________.
a)
Force
b)
Motion
c)
Reaction
d)
movement
8.
When a car drives by, we know it is in motion because we use a ______________.
a)
ruler
b)
car
c)
reference point
d)
object
9.
Tug of war is an example of what kind of force.
a)
typical force
b)
normal force
c)
balanced force
d)
direct force
10.
The force that pulls all objects toward each other is called_______?
a)
push
b)
pull
c)
gravity
d)
mass
11.
Who discovered gravity?
a)
Isaac Newton
b)
Albert Einstein
c)
Benjamin Franklin
d)
Aaron Abel
12.

Which force is shown in the picture?

a)

push

b)

pull

c)

gravity

d)

friction

13.

Which force is shown in the picture?

a)

push

b)

pull

c)

gravity

d)

friction

14.

Which force is shown in the picture? (look at he brakes being used on the roller blades)

a)

push

b)

pull

c)

gravity

d)

friction

15.
If these boys are pulling with the same amount of force.  What will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
16.
Which of the following statements is true? 
a)
Balanced forces cause a change in motion. 
b)
Unbalanced forces cause a change in motion. 
c)
Forces do not effect the change in motion. 
17.
If you pull the cord, what direction will the box move?
a)
Up
b)
Down
c)
Left
d)
Right
18.
When you type on the keys of your Chromebook you are using a
a)
pull
b)
push
c)
gravity
d)
friction
19.
A _____ moves an object closer to you.
a)
push
b)
pull
c)
friction
d)
cat
20.
How are a push and a pull alike?
a)
You can hear them both.
b)
They are both names of cats.
c)
You can do them both at the same time.
d)
They are both forces.
21.
Light travels
a)
around corners
b)
in a straight line
22.
Light bounces when it is 
a)
reflected
b)
absorbed
c)
refracted
23.
Light bends when it is 
a)
refracted
b)
reflected
c)
absorbed
24.
mirror
a)
absorbs
b)
reflects 
c)
refracts
25.
lenses
a)
reflect
b)
refract
c)
absorb
26.
smooth, shiny surfaces
a)
reflect
b)
refract
c)
absorb
27.
rainbow
a)
light is reflected
b)
light is refracted
c)
light is absorbed
28.

A straw sitting in a glass of water looks broken because light travels more slowly through the water than air. This is an example of ____________.

a)

Reflection

b)

Refraction

c)

Absorbing

d)

Transmitting

29.

3. Mrs. Smith’s class will be outside for several hours on Friday. The temperature is to be in the 90’s. What color clothing should students wear to stay cooler?

a)

black

b)

white

c)

red

d)

blue

30.

Why is light able to travel through space when sound cannot?

a)

Light is able to be reflected by objects.

b)

Light is able to travel through gas.

c)

Light is able to travel through a vacuum.

d)

Light is able to travel through translucent objects.

31.

Shay plugs in her computer. When she places it on her lap, she notices it is hot. What is the source of heat?

a)

sun

b)

friction

c)

mixing objects together

d)

electricity

32.

What tool do we use to measure temperature?

a)

thermometer

b)

scale

c)

calculator

d)

ruler

33.

Particles with the _________ charge are attracted to each other.

a)

same

b)

opposite

34.

Like charges will _______.

a)

attract

b)

repel

35.

All sounds are made by ............. objects.

a)

warm

b)

cold

c)

vibrating

36.

Sound is a kind of energy that travels in ..............

a)

waves

b)

current

c)

group

37.

.............. is measure of how high or low a sound is.

a)

Pitch

b)

Temperature

c)

Length

38.

Sound waves cannot travel through ...................

a)

solid

b)

liquid

c)

space

39.

As sound waves move away from their source the sound become ....................

a)

louder

b)

softer

c)

faster

40.

To ..................... is to move back and forth quickly.

a)

pitch

b)

crest

c)

vibrate

41.

................... is how loud or soft a sound is.

a)

Speed

b)

Wave

c)

Volume

42.

Your .............. vibrate and produce sound when you speak.

a)

arms

b)

vocal cords

c)

lungs

43.
In which  medium will sound travel fastest?
a)
air
b)
water
c)
glass
d)
salt water
44.
In which medium will sound travel slowest?
a)
air
b)
water
c)
glass
d)
salt water
45.
A longer string makes a _______ pitch than a short string.
a)
louder
b)
softer
c)
higher
d)
lower
46.
An object that does not vibrate cannot produce
a)
sound
b)
light
c)
heat
d)
electricity
47.
If you walk into an empty gym and yell, why would you hear an echo?
a)
The gym walls are soft and uneven. 
b)
The sound waves are being absorbed by the hard smooth walls.
c)
The sound waves are bouncing off the hard smooth gym walls.
d)
The gym walls are really clean.
48.
Sound is a form of? 
a)
energy
b)
pitch
c)
volume
49.
What type of materials REFLECT sound?
a)
hard materials
b)
smooth materials
c)
both hard and smooth materials
d)
porous materials
50.
Pitch is __________________.
a)
how loud or soft a sound is
b)
how high or low a sound is
c)
when sound comes back to you
51.
Why is the school library covered with carpet?
a)
So everyone can make a lot of noise
b)
to help absorb sounds to keep it quiet
c)
because it looks good
d)
to help absorb sounds so it can stay noisy
52.
True or False
You can hear in space.
a)
True
b)
False
53.
Why do we not hear sound in outer space?
a)
there is no one out there to hear it.
b)
it is so cold
c)
it is a vacuum or empty space so there is not a medium for sound to travel
d)
there are too many stars that are exploding
54.
Sound travels in the form of _____.
a)
waves
b)
loops
c)
straight lines
d)
diangles 
55.
What can sound travel through?
a)
only through air
b)
only through water
c)
only through solids and liquids
d)
through solids, liquids, and gases
56.
What is the landform? 
a)
Ocean
b)
Valley
c)
Mountain
d)
River
57.
What is the landform?
a)
Ocean
b)
Mountain
c)
Valley
d)
Plain
58.
What is the landform?
a)
Ocean
b)
Mountain
c)
Valley
d)
Plain
59.
 High, uplifted area with steep slopes
a)
Mountain
b)
Valley
c)
River
d)
Dune
60.
a)
Isthmus
b)
Geyser
c)
Island
d)
Delta
61.
A  piece of land that is surrounded by water on at least three sides-
a)
valley
b)
island
c)
peninsula 
d)
mesa
62.
Mound of earth with a rounded top; smaller than a mountain.
a)
mountain
b)
hill
c)
valley
63.
A large area of flat land or gently rolling land.
a)
plain
b)
valley
c)
hill
64.
Hawaii is this type of landform.
a)
peninsula
b)
island
c)
bay
65.

What is a valley?

a)

A long stream of water

b)

Lower land between hills or mountains

c)

A large, flat land area

d)

Piece of land surrounded by water

66.

what land form is this

a)

plateau

b)

mountain

c)

hill

d)

river

67.

What land form is this?

a)

Mountain

b)

Hill

c)

Valley

68.

What water form is this?

a)

Island

b)

Ocean

c)

River

69.

What water form is this?

a)

Waterfall

b)

Lake

c)

Pond

70.

What land form is this?

a)

Mountain

b)

Hill

c)

Valley

71.

What water form is this?

a)

Pond

b)

River

c)

Lake

72.

What water form is this?

a)

Waterfall

b)

River

c)

Lake

73.

What water form is this?

a)

Waterfall

b)

Mountain

c)

River

74.

Which of the following water forms is similar to the word “SEA”?

a)

River

b)

Ocean

c)

Lake

75.

Where will you find the Chocolate Hills of Bohol?

a)

Thailand

b)

Philippines

c)

Cambodia

76.

What is the air that surrounds the Earth called?

a)

wind

b)

atmosphere

c)

air pressure

77.

What is the moving of air?

a)

temperature

b)

weather

c)

wind

78.

What is the pressing down of force of air on Earth called?

a)

air pressure

b)

wind

c)

weather

79.

What is the measure of how hot or cold something is?

a)

wind

b)

weather

c)

temperature

80.

What is the conditions of the atmosphere at a given time and place called?

a)

temperature

b)

weather

c)

wind

81.

You can measure temperature using a ________________.

a)

atmosphere

b)

air pressure

c)

weather

d)

thermometer

82.

The sun is a big _____.

a)

star

b)

cloud

83.

It is _____ when our part of the Earth faces away from the sun.

a)

day

b)

night

84.

The ______ makes the day sky bright.

a)

sun

b)

clouds

85.

The sun is bigger than the Earth.

a)

True

b)

False

86.

The _____ moves around the Earth.

a)

moon

b)

sun

87.
This type of cloud is thin, wispy, and made of ice crystals
a)
cumulus cloud
b)
stratus cloud
c)
cirrus cloud
d)
cumulonimbus cloud
88.

Which type of cloud is white and puffy?

a)

cumulus

b)

cirrus

c)

stratus

d)

cumulonimbus

89.
What type of clouds are called "fair weather clouds" and look like floating cotton?
a)
Cumulus
b)
Stratus
c)
Nimbus
d)
Cumulonimbus
90.
Are stratus clouds or cirrus clouds found closer to the ground?
a)
Cirrus
b)
Stratus
91.

Which type of cloud is highest in the sky?

a)

Cirrus

b)

Cumulus

c)

Stratus

92.
what type of cloud is shown?
a)
cumulus
b)
cirrus
c)
stratus
93.
what type of cloud is shown?
a)
cumulus
b)
cirrus
c)
stratus
94.
When are you most likely to see cumulus clouds?
a)
On a foggy day
b)
On a rainy day
c)
Before a thunderstorm
d)
On a sunny day
95.
Low clouds (like fog), that are thick, cover the sky, and block the sun.  Usually bring continuous precipitation (rain or snow).
a)
stratus
b)
cumulus
c)
cirrus
d)
nimbo

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