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SCIENCE REVIEW FOR 4TH QUARTER

Total questions: 75

Worksheet time: 54mins

Name
Class
Date
1.

Which source gives the most light to the Earth?

a)

stars

b)

Sun

c)

moon

2.

Why does this tree make a shadow?

a)

It blocks light.

b)

It vibrates.

c)

It gives off heat.

3.

How does light travel?

a)

In waves

b)

in a straight path

c)

does not move

4.

Light can pass easily through TRANSPARENT objects. Which object would be transparent.

a)

shoe

b)

fishbowl

c)

me

5.

When an object blocks the light, it is called?

a)

glasses

b)

book

c)

opaque

6.

To bend light waves.

a)

opaque

b)

refract

c)

reflect

d)

prism

7.

A material that allows SOME light to pass through it.

a)

opaque

b)

translucent

c)

transparent

d)

prism

8.

Which of these provides the best explanation for why the pencil appears broken?

a)

The pencil absorbs the light rays that hit it.

b)

Water reflects light rays away from the pencil.

c)

Light rays are bent by the water in the glass.

d)

The surface of the water reflects the light rays.

9.
What does it mean to reflect?
a)
bounce off
b)
bend
c)
refract
d)
energy
10.
Which of the following does NOT give off its own light?
a)
The moon
b)
Candle Flame
c)
Flashlight
d)
The sun
11.
How is sound produced?
a)
By the vibration of particles
b)
By the transfer of particles 
12.
The reflection of sound waves off of a hard surface can create ______.
a)
A wave
b)
An echo 
13.
Soft surfaces _______ sound waves. 
a)
Reflect
b)
Absorb
14.
Sound travels FASTEST through which of these materials?
a)
Air
b)
Empty space
c)
Metal
d)
Water
15.
What is vibration?
a)
how loud a sound is
b)
the back and forth movement of matter
c)
how high or low a sound is
d)
the loudness or softness of a sound
16.
Sound is a form of? 
a)
energy
b)
pitch
c)
volume
17.
To make a sound from a stringed instrument louder you must
a)
hit it
b)
pluck it harder
c)
hold it higher
d)
pluck it softer
18.

The measure of how high or low a sound is:

a)

the intensity

b)

the size of the wavelength

c)

how loud or soft a sound is

d)

the pitch

19.

Which of the following is a CORRECT statement?

a)

Sound can travel through the vacuum of space

b)

Sound can't travel through the vacuum of space

c)

Sound is produced in the vacuum of space

d)

Sound can travel between planets

20.

List the order of mediums through which sound travels from fastest to slowest.

a)

Liquid, Gas, Solid

b)

Gas, Solid, Liquid

c)

Solid, Liquid, Gas

d)

Solid, Gas, Liquid

21.

Frequency is measured in ____

a)

meters

b)

hertz

c)

decibels

d)

seconds

22.

The loudness of different sounds is compared in units called

a)

Hertz

b)

Decibels

c)

Pitch

d)

Frequency

23.

Which property of sound changes the volume of a sound?

a)

Frequency

b)

Amplitude

24.

Which property of sound changes the pitch of a sound?

a)

Frequency

b)

Amplitude

25.

Which of these tells us how loud or soft a sound is?

a)

Volume

b)

Pitch

c)

Frequency

d)

Trough

26.

Allows heat or electricity to go through

a)

insulator

b)

conductor

c)

luster

d)

ductile

27.

Without the sun's heat, what would happen to earth?

a)

aliens would invade

b)

the earth would explode

c)

it would be too cold to survive

28.

What is an insulator?

a)

a material that heat moves through easily

b)

a material that heat does not move through easily

c)

a material that turns cold when heated

d)

a tool for measuring temperature

29.

Which of these is a better conductor?

a)
b)
30.

The tool used to measure temperature is called a/an

a)

insulator

b)

conductor

c)

thermometer

d)

radiation

31.

Heat is a form of _____________.

a)

cycle

b)

energy

c)

diversity

32.

Solid, liquid and gas ___________ when it gains heat.

a)

contract

b)

expand

33.
A chair is several feet from a fireplace. The side of the chair facing the fireplace gets warm due to
a)
conduction
b)
convection
c)
radiation
34.
"Lava lamps" contain colored liquids. These liquids form globs that rise to the top due to
a)
conduction
b)
convection
c)
radiation
35.

Some cook pans have copper on the bottom to heat evenly.

Copper transfers heat to the pan by

a)

conduction

b)

convection

c)

radiation

36.

what are the layers of soil?

a)

Humus,animals,bugs,moon,sun

b)

Humus,water,clay,sand,gravel

c)

Atoms,sun,animals,flu,light

37.

What do you call it when you break down rocks into smaller pieces?

a)

Plant remains

b)

Weathering

c)

Decompose

d)

Trees

38.
Plants and animals become part of soil when they -- 
a)
Die and Decay
b)
Produce offspring
c)
Grow and Develop
d)
Take in nutrients
39.
Rocks near the ocean get broken into smaller pieces. What causes this change to these rocks?
a)
Leaves falling from trees
b)
Clouds forming in the sky
c)
Water crashing against the rocks
d)
Salt dissolving in the water
40.

Define humus.

a)

The decomposition or break down of dead plants and animals with the soil

b)

The decomposition or break down of plastic with the soil

c)

The decomposition or break down of dead plants only with the water

d)

The decomposition or break down of dirt with the soil

41.

1.What is soil?

a)

the bottom layer of the earth where plants grow is called soil.

b)

the topmost layer of the earth’s surface where plants grow is called soil.

c)

the bottom layer of the earth where plants cannot grow is called soil.

d)

the middle layer of the earth where plants grow is called soil.

42.

Which of the following soil types has the largest particles and allows water to flow through it easily?

a)

clay

b)

silt

c)

loam

d)

sand

43.
Which type of soil can hold the greatest amount of water?
a)
sand
b)
silt
c)
clay
d)
loam
44.
Soil is made of
a)
weathered rocks and minerals
b)
dead plants and animals
c)
air and water
d)
all of the above
45.
_______ is the type of soil used most often with plants and on farms. It is a mixture of clay, sand, and silt.
a)
loam
b)
humus
c)
soil
d)
dirt
46.

What do plants need to grow?

a)
b)
c)
d)
e)

All of the above

47.
Which layer is the bottom of the soil profile?
a)
C - Partially Weathered Parent Material
b)
D - Separated rock
c)
R - Bedrock
d)
A - Topsoil
48.

The top layer of soil is called ______.

a)

topsoil

b)

subsoil

c)

bedrock

49.

The middle layer of soil is called ______.

a)

topsoil

b)

subsoil

c)

bedrock

50.

The horizon soil that has less humus and particles that make up clay

a)

The A horizon

b)

The B horizon

c)

The C horizon

51.

each layer of soil is called _________

a)

soil horizon

b)

humus

c)

organic

52.

Water is used for ?

a)

jumping

b)

dancing

c)

drinking

d)

walking

53.

_______________ is the main source of water.

a)

Evaporation

b)

Rain

c)

Dam

d)

Well

54.

Look at the picture and name the largest body of water.

a)

Ocean

b)

Pond

c)

Sea

d)

Lake

55.

Where is freshwater found on Earth?

a)

Oceans

b)

Rivers, lakes, glaciers, and underground

c)

Only in glaciers

d)

The water towers

56.

What percent of Earth is covered in saltwater?

a)

20%

b)

97%

c)

70%

57.

What is the role of the sun in the water cycle?

a)

provide heat energy for evaporation

b)

provide heat energy for condensation

c)

dry out the soil for runoff to occur

d)

provide thermal energy for accumulation

58.

What do we call water in its gas state?

a)

rain

b)

snow

c)

ice

d)

water vapor

59.

What is the process called when water vapor turns to liquid water?

a)

evaporation

b)

condensation

c)

precipitation

d)

transpiration

60.

Water that falls to the ground from the clouds is ___.

a)

condensation

b)

evaporation

c)

precipitation

d)

transpiration

61.

Which of the following is an example of precipitation?

a)

sleet

b)

hail

c)

snow

d)

all of the above

62.

What is it called when plants release water vapor through their leaves?

a)

sublimation

b)

respiration

c)

transpiration

d)

precipitation

63.
The changes to water when it cycles the earth is called
a)
the moon cycle
b)
the sun cycle
c)
the water cycle
d)
the wind cycle
64.

The amount of water vapor in the air

a)

weather

b)

humidity

c)

relative humidity

d)

dew point

65.

What is a barometer used to measure?

a)

rain fall

b)

wind speed

c)

air pressure

d)

wind direction

66.

What is a rain gauge used to measure?

a)

rainfall

b)

wind speed

c)

wind direction

d)

air pressure

67.

What is a anemometer used to measure?

a)

wind direction

b)

wind speed

c)

temperature

d)

air pressure

68.

What are the 5 elements of weather?

a)

Temperature,Atmospheric Pressure,Visibility,Clouds,Humidity

b)

Atmospheric Pressure,Tempting for sure,clouds,humidity,visibility

c)

Temperature, atmospheric pressure, wind, humidity, precipitation, and clouds

d)

Apples and cheese fries

69.

What is weather?

a)

condition of the atmosphere in a particular place at a given time

b)

condition of the atmosphere for a long time

c)

the study of the atmosphere

70.

What is the science that deals with the study of weather?

a)

weatherology

b)

meteorology

c)

climatology

71.

It is called a moving air.

a)

clouds

b)

air

c)

wind

72.

Made up of tiny droplets of water suspended in the air

a)

clouds

b)

air

c)

humidity

73.

What layer of the atmosphere is the closest to Earth?

a)

troposphere

b)

atmosphere

c)

exosphere

74.

On a warm, sunny day, water evaporates faster, making the air dry and holding less water vapor. How would you describe the humidity of this kind of weather?

a)

low

b)

high

c)

medium

75.

Air pressure affects the weather. What do you think would be the weather in the high-pressure   areas (HPAs)?

a)

fine to fair weather

b)

cloudy weather

c)

rainy weather