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6th Grade Science Midterm Review

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.

A science class designed a poster to show how the barrier islands along the Florida coastline formed. The students showed the effects of wind, waves, and tides on the sand that formed these islands. In the poster, which pair of systems should the students say most affected barrier island formation?

a)

The hydrosphere and atmosphere

b)

The atmosphere and lithosphere

c)

The biosphere and hydrosphere

d)

The lithosphere and biosphere

2.

Earth can be viewed as an engine and heat exchange is part of the engine system. Which would be an example of an interaction between the atmosphere, hydrosphere, and geosphere?

a)

A volcano erupts in the state of Washington.

b)

An earthquake takes place off the coast of Japan.

c)

A wildfire scorches a prairie in the upper Midwest.

d)

A hurricane moves from the Gulf of Mexico onto land.

3.

An unusually cold winter is a problem for Florida’s manatees. Colder air temperatures cause water temperatures to drop which leads to manatee illness and death. Manatees will take shelter in the warmer waters found near natural springs and power plants. Which of the following accurately describes this chain of events leading to manatee illness?

a)

Changes in the atmosphere cause changes to the hydrosphere, which affects the biosphere.

b)

Changes in the geosphere cause changes to the hydrosphere, which affects the atmosphere.

c)

Changes in the hydrosphere cause changes to the biosphere, which affect the atmosphere.

d)

Changes in the atmosphere affect the cryosphere, which affects the hydrosphere.

4.

In a city near the ocean, fog often forms on summer mornings. Which of the following statements best explains how this fog forms?

a)

Rain clouds move in from the ocean and evaporate as they reach the shore

b)

Water runoff moves toward the ocean and collects near the shore

c)

Crashing waves spray tiny drops of ocean water into the air

d)

Ocean water evaporates and then condenses in the air

5.

The map below shows the location of Florida. Florida is humid during the summer months. Which of the following is the most likely cause of the humid conditions?

a)

Runoff from mountains

b)

Flooding from rivers and streams

c)

Groundwater bubbling to the surface

d)

Evaporation from the surface of the Gulf of Mexico and Atlantic Ocean

6.

Sometimes the weather in Florida is affected by air masses moving from the Gulf of Mexico. Which best describes these air masses?

a)

cold and moist

b)

cold and dry

c)

warm and moist

d)

warm and dry

7.

Hurricanes typically form during predictable times of year and in certain locations on Earth. Which factor best enables climatologists to forecast the time and location of hurricane formation?

a)

angle of sunlight on Earth

b)

thickness of the ozone layer

c)

ocean currents and temperature

d)

seasonal distance from the Sun

8.

The Gulf Stream in the Northern Hemisphere and the Brazilian Current in the Southern Hemisphere move towards the poles. Compared to inland areas at the same latitude, the coastal areas bordering these currents will

a)

be more arid

b)

be warmer

c)

have more advection fogs

d)

have shorter growing seasons

9.

The map below shows the continental United States and four arrows representing wind directions. Which arrow best represents the direction of the jet stream that influences weather across the continental United States?

a)

Arrow 1

b)

Arrow 2

c)

Arrow 3

d)

Arrow 4

10.

A student designs an investigation to determine if temperature has an effect on relative humidity. She takes data daily for 30 days. She uses a thermometer to take temperature readings and a hygrometer to measure relative humidity. Was the student doing a climate investigation or a weather investigation?

a)

A) a weather investigation because multiple cities were not used in the investigation

b)

B) a weather investigation because the temperature and relative humidity were collected for 30 days

c)

C) a climate investigation because multiple cities were not used in the investigation

d)

D) a climate investigation because the temperature and humidity data were collected for 30 days

11.

"Rainy" can describe both the weather and climate of an area. What is the difference between rainy weather and a rainy climate?

a)

a rainy climate describes a shorter time than rainy weather

b)

a rainy climate describes a longer time than rainy weather

c)

a rainy climate describes a bigger area than rainy weather

d)

a rainy climate describes a smaller area than rainy weather

12.

In which layer of the atmosphere does most of Earth's weather occur?

a)

the exosphere, which is the outermost layer

b)

the troposphere, which is the lowest layer

c)

the thermosphere, which has the highest temperature

d)

the stratosphere, which contains a sub-layer of ozone

13.

When a plane flies, it travels through air that contains gases, liquids, and solids. This area is best described as the

a)

lithosphere

b)

atmosphere

c)

biosphere

d)

hydrosphere

14.

Why is the ozone content of the stratosphere important to living organisms?

a)

ozone absorbs infrared radiation from the Sun.

b)

ozone is necessary to create oxygen for living things.

c)

ozone absorbs ultraviolet radiation from the Sun.

d)

ozone in the atmosphere prevents radiation of heat from Earth.

15.

What is the main energy source that causes differences in land and water temperatures?

a)

heat from Earth’s core

b)

radiation from the Sun

c)

tidal effects of the Moon

d)

motion of tectonic plates

16.

The diagram shows the movement of air. Which factor is most responsible for the movement of the air shown?

a)

Uneven heating of the air

b)

Imbalance in organisms breathing in the air

c)

Sunlight getting blocked by the land

d)

Different levels of liquid in the air

17.

Land heats up faster during the day than water does. As the beach gets warm during the day, it heats the air above it. The warm air rises and cool air from the ocean is pulled in to replace it. So, air flows from the ocean to the land. At night, the land cools faster than the ocean. What most likely happens to the air at the beach at night?

a)

The air is still

b)

The air moves along the coast

c)

The air flows from the ocean to the land

d)

The air flows from the land to the ocean

18.

Although the heat source is at the bottom of the beaker, all of the water is the same temperature. What keeps the water at the top of the beaker the same temperature as that of the bottom?

a)

Heat from the burner radiates through the liquid and causes even heating.

b)

Evaporation heats the water at the top and the flame heats the water at the bottom.

c)

Heated water molecules and steam rise in the beaker, carrying heat by convection.

d)

The walls of the beaker reflect heat toward the center, so the water heats evenly.

19.

Uneven heating of the Earth causes convection currents. What part of this process is being demonstrated in this diagram?

a)

Heat causes gases to expand.

b)

Heat causes gases to contract.

c)

As air cools, current flows clockwise.

d)

As air cools, currents flow counterclockwise.

20.

What is the primary reason for the formation of sea breezes?

a)

Gravitational pull of the Moon

b)

Differences in land and sea temperatures

c)

Rotation of the Earth

d)

Differences in air pressure

21.

Which atmospheric layer contains the ozone layer that protects Earth from harmful ultraviolet radiation?

a)

Thermosphere

b)

Mesosphere

c)

Stratosphere

d)

Troposphere

22.

What is the main cause of the Coriolis effect, which influences wind patterns on Earth?

a)

Solar radiation

b)

Earth's rotation

c)

Ocean currents

d)

Earth's magnetic field

23.

Which of the following best explains why coastal areas tend to have milder climates compared to inland areas?

a)

Coastal areas receive more sunlight.

b)

Ocean currents regulate temperature.

c)

Coastal areas have more vegetation.

d)

Inland areas are at higher altitudes.

24.

What is the primary reason for the formation of land breezes at night?

a)

Land cools down faster than the sea.

b)

Sea cools down faster than the land.

c)

Wind patterns reverse direction.

d)

Sunlight heats the land more than the sea.

25.

Which factor is most responsible for the seasonal changes in weather patterns?

a)

Earth's distance from the Sun

b)

Earth's axial tilt

c)

Ocean currents

d)

Atmospheric pressure

26.

Which of these layers is found directly above the earth's core?

a)

mantle

b)

crust

c)

core

d)

asthenosphere

27.

Which layer makes up 70% of the Earth's mass and is mostly solid but capable of low, causing changes in the Earth's surface?

a)

mantle

b)

crust

c)

outer core

d)

inner core

28.

How is heat transferred through the layers of the Earth?

a)

convection

b)

radiation

c)

conduction

d)

rainbows

29.

Where do plate tectonics mainly take place on Earth?

a)

mantle

b)

crust

c)

inner core

d)

outer core

30.

Which type of boundary to tectonic plates move apart?

a)

divergent

b)

convergent

c)

transform

d)

pizza

31.

What type of crust is found under the oceans?

a)

oceanic crust

b)

continental crust

c)

geologic crust

d)

none of the above

32.

When did the supercontinent Pangaea start to break up?

a)

200 million years ago

b)

100 million years ago

c)

1 million years ago

d)

last week

33.

Which scientist is credited with proposing the ideas that led to the development of the plate tectonics theory?

a)

Alfred Wegner

b)

Charles Darwin

c)

Albert Einstein

d)

Isaac Newton

34.

What is the earth's outermost layer?

a)

crust

b)

lithosphere

c)

mantle

d)

outer core

35.

What is the earth's only liquid layer?

a)

outer core

b)

inner core

c)

mantle

d)

crust

36.

Where do most geologic events take place?

a)

tectonic plate

b)

cocos plate

c)

dinner plate

d)

scocia plate

37.

This animation depicts which of the following?

a)

subduction zone

b)

earthquake

c)

mountain formation

d)

rift formation

38.

What is most likely to happen at a divergent boundary?

a)

mountain formation

b)

rift valley

c)

seafloor spreading

d)

volcano formation

39.

Mountain formation can result when which of the following occurs?

a)

two continental plates collide

b)

two oceanic plates collide

c)

two oceanic plates spread apart

d)

two continental plates spread apart

40.

Approximately 225 million years ago, the earth's continents were grouped into one landmass. What is the landmass called?

a)

Pangea

b)

Europa

c)

Jurassic

d)

Pangea Ultima

41.

What type of curst is found under the continents?

a)

continental crust

b)

oceanic crust

c)

geologic crust

d)

none of the above

42.

This solid layer of the earth is made of mostly iron and nickel.

a)

inner core

b)

outer core

c)

crust

d)

mantle

43.

California's San Andreas Fault is identified as which of the following?

a)

strike-slip plate

b)

blind fault

c)

dip-slip fault

d)

normal fault

44.

What is the border between two tectonic plates called?

a)

boundary

b)

collision zone

c)

rift

d)

trench

45.

This animation depicts which of the following?

a)

rift formation

b)

earthquake

c)

mountain formation

d)

volcanic erruption

46.

Deep within the Earth magma (melted rock) forms.  Since it is less dense than the solid rock around it, magma rises and collects in magma champers.  Eventually, some of the mama pushes through the cracks in Earth's surface.  This is called a what?

a)

earthquake

b)

volcano

c)

tsunami

d)

pizza

47.

When a series of extremely long/large waves caused by a large/sudden displacement of the ocean, due to an earthquake below or near the ocean is called a what?

a)

tsunami

b)

earthquake

c)

volcano

d)

candle

48.

When the earth slips along a transform plate boundary within the Earth's tectonic plate and is moving the opposite direction, what is that called?

a)

earthquake

b)

tsunami

c)

volcano

d)

mixer

49.

The diagram below shows how the Hawaiian Islands are formed.

What is a reasonable hypothesis for the islands in the distant future?

a)

The Hawaiian Islands will grow in size as more crust is made due to basalt cooling and forming new crust.

b)

The Hawaiian Islands will merge into one island

c)

The Hawaiian Islands will add 100's of more islands.

d)

Mrs. Woodruff will vacation there soon.

50.

As depth in the Earth increases, temperature, density and pressure increase.

a)

true

b)

false