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Massive 6th Grade Science Review

Total questions: 106

Worksheet time: 2hrs 20mins

Name
Class
Date
1.

According to the Image, What season starts in the Northern Hemisphere on June 22nd

a)

Summer

b)

Winter

c)

Autumn

d)

Spring

2.

Why do we experience different seasons on Earth?

a)

Because of the Earth's rotation on its axis

b)

Due to the Earth's revolution around the Sun

c)

Because of the tilt of the Earth's axis as it revolves around the Sun

d)

The distance between the Earth and the Sun changes

3.

What type of reaction occurs at the core of the Sun?

a)

Thermo Nuclear fusion

b)

Electrolysis

c)

Acid Base Reaction

d)

Combustion

4.

What is the main source of energy for Earth?

a)

Sun

b)

Moon

c)

Water

d)

Wind

5.

What is solar radiation?

a)

The process of storing sunlight in batteries

b)

The process of converting electricity into sunlight

c)

Energy emitted by the sun in the form of electromagnetic waves.

d)

The process of converting sunlight into electricity

6.

How does solar radiation contribute to the Earth's climate?

a)

Solar radiation warms the Earth's surface and influences its climate.

b)

Solar radiation only affects the climate of other planets.

c)

Solar radiation cools the Earth's surface and influences its climate.

d)

Solar radiation has no impact on the Earth's climate.

7.

The heat Energy Stored in the earth's interior is called

a)

Hydrothermal Energy

b)

Geochemical Energy

c)

Geothermal Energy

d)

Kinetic energy

8.

What is the order of the planets in our solar system?

a)

Earth, Venus, Uranus, Mercury, Saturn, Mars, Neptune, Jupiter

b)

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

c)

Earth's moon, the Sun, Mars, Neptune, Venus

d)

None of the above

9.
The Sun is the nearest star to Earth.
a)
True
b)
False
10.
the regular, curved path in which Earth moves 
a)
light-year
b)
orbit
c)
lunar eclipse
d)
Astronomical Unit (AU)
11.

At what angle is Earth tilted on the axis?

a)

23 degrees

b)

40 degrees

c)

80 degrees

d)

92 degrees

12.

What is the name of the moon phase that occurs when we do not see a moon at all?

a)

Crescent moon

b)

full moon

c)

Gibbous

d)

New Moon

13.

What causes the moon to light up?

a)

The moon is always lit

b)

The sun

c)

It lights up at night

d)

none of the above

14.

Which of these objects exerts a gravitational pull? (Click all that apply.)

a)

The Sun

b)

The Earth

c)

The Moon

d)

Your pencil

e)

A fly

15.

How does increasing mass and distance affect the gravity between two objects?

16.
A person would weigh more on Jupiter than on the Earth because . . .
a)

Jupiter has more mass

b)

Jupiter has less mass

c)

Every planet has its own gravity number

d)

Jupiter is more dense

17.

If Object #2 is the Sun, then Object #1 is a ​ (a)   . Arrow #3 represents ​ (b)   and Arrow #4 represents ​ ​ (c)   .

Choose from the below words
planet
gravity
inertia
star
moon
potato
18.

What two things are wrong about this model of the solar system?

a)

The planets are too big

b)

The planets are too close together

c)

The planets are out of order

d)

The Sun is too big

19.
I am a rock entering a planet's atmosphere.
a)
meteor
b)
meteorite
c)
asteroid
d)
comet
20.
Sometimes I am called a "dirty snowball". I have a hydrogen cloud, coma, and a nucleus. I am invisible except when near the sun. What am I?
a)
Asteroid
b)
Star
c)
Meteor
d)
Comet
21.
The shape of a comet's obit is ____.
a)
circular
b)
irregular
c)
regular
d)
elliptical
22.
What is the red arrow pointing to?
a)
meteoroid
b)
meteor
c)
meteorite
23.

Milo and Rue were discussing how scientists have changed their model of our solar system over time. It has transitioned from

a)

a Sun-centered to a Moon-centered model

b)

a Sun-centered to an Earth-centered model

c)

an Earth-centered to a Sun-centered model

d)

a Moon-centered to an Earth-centered model

24.

During a classroom discussion, Oakland asked why people historically believed in the geocentric theory. What is the most important reason that people thought that the geocentric theory was correct?

a)

They saw the sun rising and setting each day.

b)

They saw lunar eclipses.

c)

They saw the moon rotating around Earth.

d)

They saw solar eclipses.

25.
What does heliocentric mean?
a)
Earth is in the center of the universe
b)
sun is in the center of the universe
c)
includes helium 
d)
spherical
26.
The four inner planets are...
a)
Rocky and small
b)
Very large and made of ice
c)
Small and made of ice
d)
Very large and made of gases
27.
The outer planets are...
a)
Rocky and small
b)
Very large and made of ice
c)
Small and made of ice
d)
Very large and made of gases
28.
How does a telescope help us understand the moon?
a)
It tells us how it was formed
b)
It tells us how hot it is there
c)
It helps us see surface features
d)
It can tell us what the moon is made of
29.
Why is space travel difficult for people?
a)
We cannot take the air or food we need into space
b)
the distance are very great; it is dangerous and expensive.
c)
It is impossible to escape the sun's or Earth's gravity.
d)
We do not have a destination to visit that we know will support life.
30.
What holds the planets in their orbits around the sun?
a)
gravity
b)
speed
c)
string
d)
air currents
31.

What are the unique properties that make Earth one of a kind in our solar system?

a)

Presence of water and life

b)

Rings like Saturn

c)

Closest to the Sun

d)

Largest planet

32.

Why is Earth's location in the solar system ideal for supporting life?

a)

It is very close to the Sun, making it extremely hot.

b)

It is located at a moderate distance from the Sun, allowing water to exist in all three states.

c)

It is farthest from the Sun, making it very cold.

d)

It is the smallest planet in the solar system.

33.

Why is Earth's size important for sustaining life?

a)

It allows Earth to have a suitable atmosphere and gravitational pull.

b)

It makes Earth visible from space.

c)

It allows Earth to support only aquatic life.

d)

It makes Earth the largest planet in the solar system.

34.

What does Earth provide to help protect us from skin cancer?

a)

The moon

b)

Ozone layer

c)

Trees

d)

Rivers

35.

What is the primary gas in Earth's atmosphere?

a)

Oxygen

b)

Carbon dioxide

c)

Nitrogen

d)

Argon

36.

What percentage of Earth's atmosphere is oxygen?

a)

78%

b)

21%

c)

Less than 1%

d)

50%

37.

What is the function of Earth's magnetosphere?

a)

It generates the Earth's gravity.

b)

It protects the atmosphere from solar winds.

c)

It controls the Earth's rotation.

d)

It produces light for the Earth.

38.

Why is water essential for life on Earth?

a)

It helps in transportation.

b)

Life could not exist without it.

c)

It is used for cooking.

d)

It is a fuel source.

39.

What percentage of Earth's water is available to drink as fresh water?

a)

A) 71%

b)

B) 1%

c)

C) 10%

d)

D) 50%

40.

What is the process called that continuously recycles water through the Earth System?

a)

A) The Water Cycle

b)

B) The Carbon Cycle

c)

C) The Nitrogen Cycle

d)

D) The Oxygen Cycle

41.

What does Earth use to protect us from harmful UV rays?

a)

The moon

b)

The ozone layer

c)

Clouds

d)

Trees

42.

Surface tension is the property of water in which...

a)

water molecules at the surface tend to stick together.

b)

water spills easily.

c)

water tends to be see-through.

43.

Refer to the picture of water sticking to a leaf; this is occurring because of:

a)

Adhesion

b)

Cohesion

44.

Describe COHESION.

a)

Water molecules attracted to other substances.

b)

Water molecules climbing upwards against the force of gravity.

c)

Water molecules dissolving many substances because of its polarity.

d)

Water molecules attracted to other water molecules.

45.

Earth’s atmosphere is composed of different gases in different amounts. The table shows the relative amounts of gases present in Earth’s atmosphere. Which graph most accurately represents the data given in the table?

a)
b)
c)
d)
46.

In which atmospheric layer does all weather occur?

a)

exosphere

b)

stratosphere

c)

thermosphere

d)

troposphere

47.

A student uses pieces of cardboard and rods to make a model of the layers of Earth’s atmosphere and labels the layers W, X, Y, and Z. In which layer of the model would most of the weather on Earth likely occur?

a)

Layer W

b)

Layer X

c)

Layer Y

d)

Layer Z

48.

How does the ozone layer help life on Earth?

a)

It produces oxygen for the atmosphere.

b)

It protects Earth from meteors.

c)

It absorbs damaging ultraviolet radiation from the Sun.

d)

It reflects most of the Sun's radiation to keep the planet cool.

49.

When a person climbs a mountain, what happens to the air pressure around him?

a)

It decreases.

b)

It increases.

c)

It remains constant.

d)

It decreases, then increases.

50.

A student collects information about the order of different layers of the atmosphere and makes a model, as shown. The student wants to add a weather system to the model. To which layer should the student add the weather system?

a)

mesosphere

b)

stratosphere

c)

thermosphere

d)

troposphere

51.

What is the hottest layer of the atmosphere due to the absorption of the sun's rays?

a)

Mesosphere

b)

exosphere

c)

thermosphere

d)

stratosphere

52.

Which of the following can be found in the exosphere?

a)

meteoroids

b)

treetops

c)

weather

d)

satellites

53.

Put the layers of the atmosphere in order. (1 being closest to the earth)

a)

troposphere

b)

stratosphere

c)

mesosphere

d)

thermosphere

e)

exosphere

1)
2)
3)
4)
5)
54.

The process by which molecules of liquid water escape into the air after becoming water vapor is called

a)

evaporation

b)

condensation

c)

humidity

55.

How is weather different than climate?

a)

weather is long term patterns

b)

weather is short terms patterns

c)

weather tells you the clothes you should buy for different seasons

56.

What fuels a hurricane's strength?

a)

Wind

b)

Warm Water

c)

Sunlight

d)

Cold Water

57.
a)
Warm Front
b)
High Air Pressure
c)
Cold Front
d)
High Temperatures
58.
a)
Low Clouds
b)
Low Temperatures
c)
Light Wind
d)
Low Air Pressure
59.
a)
High Pressure
b)
Warm Front
c)
Cold Front
d)
Mountains
60.
High Pressure is associated with this type of weather...
a)
Cloudy/Overcast Weather
b)
Cold Weather
c)
Warm Weather
d)
Fair Weather
61.
The picture represents the symbol for a _______________________Front.
a)
Cold
b)
Warm
c)
Occluded
d)
Stationary
62.
What causes warm air to rise?
a)
the fact that it's less dense than cold air 
b)
The fact that it weighs more than cold air 
c)
The fact that it has higher pressure than cold
d)
the fact that its more dense than cold air 
63.
What direction is the cold front moving?
a)
Northwest
b)
Southeast
c)
Northeast
d)
Southwest
64.

What causes the moon's phases to change as we view them from Earth?

a)

As the moon revolves around the Earth, we see different amounts of reflected sunlight.

b)

As Earth revolves around the moon, we see different amounts of reflected sunlight.

c)

As the moon's orbit speed increases and decreases, we see different amounts of reflected sunlight.

65.

True or False: In space, half of the moon is always lit and the other half is dark.

a)

True

b)

False

66.
Define Waxing
a)

When the moon is completely illuminated (filled with light)

b)

When light on the moon is increasing

c)

The side of the moon that is facing the Earth

d)

When light on the moon is decreasing

67.
Name this moon phase
a)
Waxing Gibbous
b)
Waxing Crescent
c)
Waning Crescent
d)
Waning Gibbous
68.
Name this moon phase
a)
waning crescent
b)
waxing crescent
c)
waning gibbous
d)
waxing gibbous
69.

Use the calendar to predict the moon phase on March 9th.

a)

New Moon

b)

Full Moon

c)

Third Quarter

d)

First Quarter

70.
Most places on Earth experience about how many high and low tides in 24 hours?
a)
2 high and 2 low tides
b)
4 high and 4 low tides
c)
1 high and 1 low tides
71.
What type of tide occurs during a new and full moon?
a)
Neap tides
b)
Spring tides
c)
Normal tides
72.
What type of tide occurs during the first or third quarter moon?
a)
Neap tides
b)
Spring tides
c)
Normal tides
73.
Which body has the greater effect on Earth's tides?
a)
Sun
b)
Saturn
c)
Moon 
d)
Venus
74.
The Moon has a greater influence on Earth tides than the Sun because...
a)
it is smaller than the Sun
b)
it revolves around the Earth
c)
it is closer to the Earth
75.

Which major watershed is the northern part of Virginia a part of?

a)

Mississippi River Watershed

b)

Chesapeake Bay Watershed

c)

North Carolina Sound Watershed

76.
A divide is 
a)
well in which water rises because of pressure
b)
Forms the boundaries of a watershed
c)
type of hot spring from which the water periodically erupts
d)
place where groundwater bubbles or flows out of cracks in the rock
77.

The process where water or irrigation runs over land and seeps into the ground, or flows into streams or oceans.

a)

water cycle

b)

runoff

c)

precipitation

d)

evaporation

78.

All water below the surface of land is called__________.

a)

water table

b)

watershed

c)

groundwater

d)

runoff

79.
What is a stream or river that feeds into a larger body of water?
a)
Tributary
b)
Estuary
c)
Bay
d)
Watershed
80.
What is all the water that runs off the surface of the land and washes into rivers, streams, and other waterways called?
a)
Runoff
b)
Storm Drain
c)
Surface Water
d)
Tributary
81.
What is a partially enclosed body of water that has a mixture of salt water from the ocean and fresh water from rivers and streams?
a)
Estuary
b)
Watershed
c)
Tributary
d)
Bay
82.

Which watershed is Prince William County located in?

a)

Mississippi River Watershed

b)

Potomac River Watershed

c)

Shenandoah River Watershed

d)

James River Watershed

83.
Why is gravity a factor in watersheds? 
a)
it causes the water to flow away from a watershed
b)
it causes the water to flow down towards a watershed
84.

Which statement is true regarding the Chesapeake Bay Watershed?

a)

Pollution from New Jersey contaminates the Atlantic Ocean

b)

Citizens from other states send trash to Virginia

c)

Pollution from 6 states can end up in the Chesapeake Bay watershed

d)

Steams start in Pennsylvania and end up in Virginia

85.

Oxygen, Sunlight, Temperature and Soil are all considered _________

a)

Abiotic Factors

b)

Biotic Factors

86.
Which best explains why estuaries are an important habitat for many marine
organisms in comparison to the open ocean?
a)

There are more nutrients and food available in estuaries.

b)
There is less food in estuaries.
c)
There are more predators in estuaries.
d)
There is more salt available in estuaries.
87.

There are two main causes for the ecological problems in the bay. (check only two)

a)

People are not using the Bay enough.

b)

People are putting too many pollutants into the Bay.

c)

People are “overharvesting” or taking too much seafood out of the Bay.

d)

People are not eating enough seafood from the Bay.

88.

What is wrong with too much algae in the Bay?

a)

Many boaters complain they can't see the fish for food.

b)

It is making the Bay unpleasant to look at.

c)

It clouds the water and keeps light from reaching the grass. Causing the grass to die

89.

What amount of incoming solar energy is absorbed by Earth's surface?

a)

23%

b)

51%

c)

49%

d)

15%

90.

How much solar energy is radiated directly to space from Earth? (Hint! look at RED arrows)

a)

64%

b)

6%

c)

4%

91.

What is the greenhouse effect?

a)

The process by which the sun affects houses and they turn green

b)

the process by which gases in the atmosphere absorb and give off infrared radiation. Essentially, it's how the Earth stays warm

92.

Look at the data table. Which graph below best represents the most abundant elements in the Earth's crust?

a)
b)
c)
d)
93.

The Earth's crust is made up of mainly what two elements?

a)

Oxygen and Nitrogen

b)

Oxygen and Silicon

c)

Oxygen and Carbon

d)

Oxygen and Hydrogen

94.

Which four elements make up most living things?

a)

oxygen, carbon, hydrogen, nitrogen

b)

silicon, calcium, oxygen, aluminum

c)

chlorine, sodium, hydrogen, oxygen

d)

sulfur, phosphorous, calcium, nitrogen

95.

Which pie chart MOST accurately reflects the information in the table?

a)
b)
c)
d)
96.
What are the three common types of freshwater wetlands? 
a)
forest, swamp and marsh 
b)
bog swamp and forest
c)
marshes, swamps, and bogs
d)
tundra, boreal, grassland 
97.
A wetland is like a sponge because it
a)
absorbs flood water
b)
cleans water
c)
provides habitat
98.
A land area that is covered with water for part of the year is called:
a)
Lake
b)
Wetland
c)
River
99.
Which of the following is a reason why wetlands are important?
a)
It acts as a filtering system
b)
It's a place where birds die
c)
It lets water pass through
100.
What benefit does the plants slowing down the flow of water through a wetland cause?
a)
They filter water
b)
They provide habitat
c)
The provide nutrients
101.

Which of the following is a renewable energy source?

a)

Coal energy

b)

Solar energy

c)

Wind energy

d)

Gasoline

102.

Why is it important to try to use as many renewable resources as possible?

a)

To save money

b)

To reduce pollution

c)

To support the fossil fuel industry

d)

To increase energy consumption

103.

Which energy source is not renewable?

a)

Wind energy

b)

Coal energy

c)

Solar energy

104.

Renewable Energy Resources​: ​ ​ (a)   ​ (b)   ​ (c)   ​ (d)   ​ (e)  

Choose from the below words
Geothermal
Wind
Water
Solar
Biomass
Nuclear
Fossil Fuels
105.

Coal is an example of a nonrenewable energy source because

a)

it is easily replenished in a short period of time.

b)

it can be replaced naturally and can be used again and again.

c)

it take millions of years to form and once they used, we can not replace them.

106.

Identify each example of a nonrenewable energy source.

a)

Petroleum

b)

Biomass

c)

Natural Gas

d)

Geothermal

e)

Coal