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Final Exam Review - 6th Grade Science

Total questions: 64

Worksheet time: 32mins

Name
Class
Date
1.

Volcanoes are most likely to form

a)

where tectonic plates come together

b)

in the middle of continental plates

c)

in India

2.

What would cause frost be present on your grass in the morning?

a)

water vapor condenses on the grass then evaporates

b)

water vapor condenses on the grass then sublimates

c)

water vapor condenses on the grass then freezes

3.

If a cold, dense air mass moves beneath a warm air mass, what will most likely happen?

a)

the warm air will sink

b)

the warm air will rise, cool, condense, and form a cloud

c)

the warm air will disappear

d)

the warm air will form a rainbow

4.

Hydroelectric power is MOST harmful to the environment because it

a)

floods downstream

b)

kills fish in the turbines

c)

destroys free-running rivers and their ecosystems

5.

Depending on fossil fuels as primary energy sources is problematic because this source is

a)

renewable

b)

nonrenewable

c)

expensive

6.

One drawback to utilizing wind as a major energy source is

a)

wind power creates major pollution

b)

wind machines have huge blades to capture the wind

c)

the strength of the wind varies

7.

Which of the following DOES NOT harness renewable energy?

a)

windmill

b)

solar panel

c)

geothermal power plant

d)

hydroelectric dam

e)

all of these capture renewable energy

8.

Geothermal energy comes from

a)

the earth's surface

b)

beneath the earth's surface

c)

the sun

9.

Cause: fossil fuels are limited and will run out over time

Effect:

a)

alternative sources of heat energy must be found

b)

use the fossil fuels as quickly as possible

10.

The water cycle is fueled by

a)

Earth's rotation

b)

radiation from the Sun

c)

Gravity

11.

Cause: it is difficult and expensive to capture and store large amounts of solar energy

Effect:

a)

our main source of electrical power is solar energy

b)

sunlight is not yet used as a major source of energy

c)

we have no solar energy

12.

Good weather can be expected in a high pressure system because

a)

air masses rise, creating dense clouds

b)

air masses sink making it difficult for clouds to form

c)

none of the above

13.

How can dew form on the grass when the air is clear?

a)

the air is NOT saturated

b)

the air near the ground cools to its dew point

14.

A tornado is a __________________________

a)

violent whirling wind that moves over land

b)

violent whirling wind that moves over water

c)

a calm, spring rain

15.

An air mass has the same properties as

a)

the clouds above it

b)

the Earth's surface over which it develops.

c)

bananas

d)

A

16.

Between the Horse Latitudes near the equator, there is little wind or precipitation. These areas are know as the

a)

Arctic

b)

doldrums

c)

Alpines

17.

The sun is the source of all energy in our

a)

atmosphere

b)

lunar cycle

c)

galaxy

18.

Cause: Earth's Rotation

Effect:

a)

Coriolis Effect

b)

sea breeze

c)

clouds

19.

The exosphere blends into

a)

Jupiter's atmosphere

b)

the troposphere

c)

space

20.

As you move further from the earth's surface, the atmospheric pressure

a)

increases

b)

decreases

c)

remains constant

21.

Cause: land heats and cools faster than water

Effect:

a)

solar winds

b)

sea and land breezes

c)

barrier islands

22.

When water vapor condenses around dust particles,

a)

clouds form.

b)

the Coriolis effect is felt.

c)

the water disappears.

23.

Hurricanes that hit the eastern coast of the United States most likely formed

a)

near Guam in the Pacific Ocean.

b)

in an equatorial region of the Atlantic Ocean

c)

close to Antarctica.

24.

Cause: the jet stream determines major air movements

Effect: the jet stream has

a)

a great impact on changing weather conditions

b)

no impact on changing weather conditions

c)

speeds up evaporation

25.

The layer of the atmosphere, where weather occurs, is called the

a)

stratosphere

b)

mesosphere

c)

troposphere

d)

exosphere

26.

A new moon is necessary for a _____________________ to occur

a)

solar eclipse

b)

summer

c)

lunar eclipse

27.

A thunderstorm is likely to occur if the barometer (instrument that measures air pressure) is quickly

a)

falling

b)

rising

c)

exloding

28.

Ozone protects the planet Earth from what harmful energy?

a)

ultraviolet rays from the Moon

b)

asteroids

c)

ultraviolet rays from the Sun

29.

When the South pole experiences summer, the northern hemisphere experiences

a)

spring

b)

fall

c)

summer

d)

winter

30.

The alignment of the Earth, Moon, and Sun, determine

a)

earthquake activity

b)

thawing ice caps

c)

height of ocean tides

31.

In order to see a total solar eclipse, the moon must be

a)

perpendicular to the line from the earth to the Sun

b)

between the Earth and the Sun, casting a shadow on the Earth

c)

in a line with the Sun and Earth, with the Earth casting a shadow on the Moon

32.

What movement causes the Sun to appear to rise?

a)

the Earth's revolution

b)

the Moon's rotation

c)

the Earth's rotation

33.

The new Moon is preceded by the third quarter. The full Moon is preceded by the

a)

waning gibbous

b)

waxing gibbous

c)

waning crescent

34.

Cause: Mercury has no atmosphere to hold heat

Effect:

a)

sunlight temperatures reach 465 degrees Celsius and darkness reaches -180 degrees Celsius.

b)

the temperature remains a constant 30 degrees Celsius

c)

the temperature cannot be determined

35.

Cause:

Effect: the night sky looks different from night to night viewed from the same location

a)

the Universe is expanding

b)

Earth moves in its orbit around the Sun

36.

Definition: The universe originated as a point where all matter and energy was concentrated.

a)

Law of Conservation of Momentum

b)

Theory of Relativity

c)

The Big Bang Theory

d)

The Steady State Theory

37.

The Earth's distance from the Sun determines its

a)

temperature

b)

rotational period

c)

seasons

38.

Evaporation rate is LEAST influenced by

a)

the temperature of the water

b)

the humidity

c)

the speed of the wind

d)

radiation from the Sun

39.

True or False. The ocean floor is entirely smooth and sandy, with no mountains or trenches.

a)

True

b)

False

40.

True or False: Wind is the natural force that creates surface ocean currents.

a)

True

b)

False

41.

Ocean's tides are caused by

a)

the Moon's gravity

b)

heat from the Sun

c)

vibrations within the Earth

42.

Through evaporation, the oceans contribute the majority of the water in the

a)

ocean

b)

trees

c)

atmosphere

43.

Less than 0.3% of Earth's water is drinkable. What causes the other 99.7% of water to be undrinkable?

a)

it is saltwater

b)

it is ice

c)

it is in the atmosphere

d)

all of the above

44.

In a given soil sample, the _______________ will contain the MOST humus.

a)

Horizon A

b)

Horizon B

c)

Horizon C

d)

Horizon D

45.

Due to ice wedging, _________________________ is more rapid in cold climates.

a)

chemical weathering

b)

organic weathering

c)

mechanical weathering

d)

all of the above

46.

Which of the following can be done to slow soil erosion?

a)

no-till farming

b)

farming on steeper slopes

c)

remove all trees

d)

plow fields as often as possible

47.

Nearest the center of a mid-ocean ridge, you would find the

a)

oldest rocks.

b)

highest volcanoes on the planet.

c)

newest/youngest rocks.

48.

True/False Plate movement can be seen most often at ocean margins.

a)

True

b)

False

49.

An earthquake occurs when the __________________________ is passed, they break, and move along surfaces called faults.

a)

banatic limit of rocks

b)

volcanic limit of rocks

c)

elastic limit of rocks

d)

transparent limit of rocks

50.

True or false Earthquakes occur without warning

a)

True

b)

False

51.

True or False Most earthquakes occur where earthquakes have never occurred before.

a)

True

b)

False

52.

__________________ waves are the most destructive seismic waves.

a)

Primary

b)

Secondary

c)

Surface

53.

Primary waves are the _______________________ waves to reach a seismograph after an earthquake.

a)

first

b)

second

c)

last

54.

A sudden shift in the CRUST of the earth causes

a)

a tornado

b)

a hurricane

c)

an earthquake

d)

a banana split

55.

Because the meaners are very large, and the deposits of sediment are extensive, this river is probably

a)

an old river.

b)

a mature river.

c)

a young river.

56.

If two land areas have similar types of rocks and fossils, this is evidence that these land masses may have been

a)

in the same line of longitude.

b)

studied extensively by physicists.

c)

connected at one time.

57.

The thinnest layer of the Earth is the

a)

mantle.

b)

inner core.

c)

outer core.

d)

crust.

58.

The thickest layer of the Earth is the

a)

mantle.

b)

inner core.

c)

outer core.

d)

crust.

59.

The landscape of Jefferson has been change the most by what geologic processes over the last 10,000 years?

a)

volcanism and faulting

b)

water erosion and deposition

c)

continental drift and plate movement

d)

glacial erosion and deposition.

60.

Another very active day on Kilauea volcano with earthquakes occurring on nearly every part of the volcano. What dangerous gases are released from volcanic eruptions?

a)

sulfur dioxide

b)

oxygen

c)

carbon dioxide

d)

chloroflurocarbons

61.

While playing in a dried up creek bed, two boys find some interesting rocks. These rocks that they found on the bottom are likely what type of rock?

a)

metamorphic

b)

sedimentary

c)

igneous

62.

True or False : Weathering is a process that generally takes much longer to occur than an earthquake or a volcanic eruption.

a)

True

b)

False

63.

Convection currents in the mantle are responsible for

a)

earth's rotation on its axis

b)

earth's revolution around the sn

c)

crustal plates movement

d)

high tides of the ocean

64.

Compaction of sand, silt, and mud results in the formation of

a)

sedimentary rocks.

b)

igneous rocks.

c)

metamorphic rocks.