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6th Grade Science Semester 1

Total questions: 148

Worksheet time: 2hrs 32mins

Name
Class
Date
1.

What is the process by which rocks and minerals break down into smaller pieces?

a)

weathering

b)

solidification

c)

melting

d)

erosion

2.

Which of the following is an example of physical weathering?

a)

Chemical weathering

b)

Freeze-thaw weathering

c)

Biological weathering

d)

Erosion

3.

What is the process by which weathered rock and soil are moved from one place to another?

a)

erosion

b)

deposition

c)

weathering

d)

sedimentation

4.

Which of the following is an example of chemical weathering?

a)

Erosion of a riverbank

b)

Reaction of limestone with acid rain

c)

Formation of a sand dune

d)

Melting of a glacier

5.

What is the process by which eroded materials are dropped off in a new location?

a)

erosion

b)

deposition

c)

weathering

d)

transportation

6.

Which of the following is an example of erosion?

a)

Wind blowing sand dunes

b)

Tree growing taller

c)

River carving out a canyon

d)

Volcano erupting

7.

What is the process by which eroded materials are transported from one place to another?

a)

weathering

b)

deposition

c)

sedimentation

d)

erosion

8.

Which of the following is an example of both weathering and erosion?

a)

Water wearing away at a rock

b)

A river carving a canyon

c)

Wind blowing sand dunes

d)

A volcano erupting

9.

What is the main agent of erosion?

a)

gravity

b)

wind

c)

water

d)

plants

10.

Which of the following is an example of deposition?

a)

Water vapor turning into frost

b)

Water vapor turning into steam

c)

Water vapor turning into clouds

d)

Water vapor turning into rain

11.

Earth's atmosphere is made up mostly of which elements? (6.5B)

a)

Carbon dioxide and oxygen

b)

nitrogen and helium

c)

helium and carbon dioxide

d)

nitrogen and oxygen

12.

The process by which rocks are broken down

a)

Weathering

b)

Deposition

c)

Erosion

d)

Sedimentation

13.

The process by which rocks are broken down

a)

Weathering

b)

Deposition

c)

Erosion

d)

Sedimentation

14.

The process in which wind, water, ice or gravity transport rock fragments from one location to another

a)

Weathering

b)

Sedimentation

c)

Erosion

d)

Deposition

15.

The process in which sediment settles out (drops to the bottom) of the water or wind that is carrying it

a)

Weathering

b)

Erosion

c)

Sedimentation

d)

Deposition

16.

Fragments of weathered rocks are known as ____.

a)

sediments

b)

deposits

c)

limestones

d)

sandstones

17.

The MECHANICAL breaking down of rocks into smaller pieces is...

a)

Physical weathering

b)

Chemical weathering

18.

The breakdown and decomposition of rocks as a result of chemical reactions and processes

a)

Physical weathering

b)

Chemical weathering

19.

Water gradually wearing down and smoothing rocks over a long period of time is an example of...

a)

physical weathering

b)

chemical weathering

c)

deposition

d)

erosion

20.

When iron in rocks reacts with oxygen, it forms iron oxide (rust), which weakens rocks and causes them to break apart. This is an example of...

a)

physical weathering

b)

chemical weathering

c)

erosion

d)

deposition

21.

Rain washing away soil from a hillside is an example of...

a)

physical weathering

b)

erosion

c)

deposition

d)

chemical weathering

22.

Waves dropping sand onto land until a beach is formed is an example of...

a)

physical weathering

b)

erosion

c)

deposition

d)

chemical weathering

23.

Acid rain slowly wearing away rock over time is an example of...

a)

chemical weathering

b)

physical weathering

c)

erosion

d)

deposition

24.

Water getting into cracks, freezing, and breaking rocks or pavement apart is an example of...

a)

chemical weathering

b)

physical weathering

c)

deposition

d)

erosion

25.

An avalanche is an example of...

a)

physical weathering

b)

chemical weathering

c)

erosion

d)

deposition

26.

Over long periods of time, deposition may change the Earth's surface by...

a)

forming new land features.

b)

washing away beaches.

c)

breaking down large rocks in to smaller ones.

d)

moving topsoil.

27.

What causes the greatest amount of erosion on beaches?

a)

Waves

b)

Glaciers

c)

Wind

d)

Gravity

28.

Muddy water being carried away by a fast-moving river is an example of...

a)

physical weathering

b)

chemical weathering

c)

erosion

d)

deposition

29.

What is an enormous mass of ice moving over land, causing weathering of rock and soil?

a)

A glacier

b)

An iceberg

c)

An ice wedge

d)

A sand dune

30.

How do plants weather rocks?

a)

During photosynthesis

b)

When the plant moves water from the roots to the leaves, the rock breaks

c)

When roots grow into cracks of rocks and expand, the rock breaks

d)

Plants don't weather rocks

31.

A river wearing down canyon walls over time is an example of...

a)

physical weathering

b)

chemical weathering

c)

deposition

d)

erosion

32.

Wind blowing sand from one location to another is called...

a)

erosion

b)

physical weathering

c)

chemical weathering

d)

deposition

33.

Large area of flat grasslands

a)

Plain

b)

River

c)

Ocean

d)

Valley

34.

Large area of a sea or ocean partially enclosed by land.

a)

River

b)

Mountain

c)

Volcano

d)

Gulf

35.

Vast body of salt water.

a)

Ocean

b)

Lake

c)

Valley

d)

Mountain

36.

Land rising high above the land around it.

a)

Valley

b)

Mountain

c)

Lake

d)

Valley

37.

Land surrounded completely by water.

a)

Gulf

b)

Island

c)

Volcano

d)

Plain

38.

A piece of land surrounded by water on all but one side.

a)

valley

b)

Ocean

c)

Peninsula

d)

lake

39.

Earth with opening that spills lava, rock, and gases.

a)

Volcano

b)

Mountain

c)

Lake

d)

valley

40.

Large inland body of water

a)

Volcano

b)

Plain

c)

Ocean

d)

Lake

41.

Lowland between hills or mountains

a)

Ocean

b)

Valley

c)

River

d)

Gulf

42.

Which one of the following does NOT describe weather?

a)

the force of the wind through the trees

b)

if it is raining or not

c)

the amount of water pollution in a lake

d)

the number of clouds there are in the sky

43.

Which of the following best describes the difference between weather and climate?

a)

Weather happens in your state, and climate happens in your country.

b)

Weather includes the wind and rainfall, whereas climate only describes the temperature.

c)

Weather can be predicted but climate cannot.

d)

Weather describes conditions such as wind and rain at a particular time, whereas climate describes typical seasonal conditions.

44.

What is the main cause of deepwater ocean currents?

a)

freshwater rivers and streams flowing into the ocean.

b)

wind, caused by variations in air pressure, blowing on water.

c)

differences in water density because of variations in water temperature and salt concentration.

d)

the Coriolis effect: Earth's rotation causing the water in the oceans to move.

45.

What substances make up most of the atmosphere?

a)

nothing except sometimes clouds

b)

gases such as nitrogen, oxygen, argon, and water vapor

c)

tiny particles of pollution from cars and other machines

d)

greenhouse gases such as carbon dioxide and methane

46.

Which one of the following statements about Earth's atmosphere is TRUE?

a)

The temperature in the atmosphere increases as it gets closer to the Sun.

b)

The air pressure increases as you go up in the atmosphere.

c)

The atmosphere has different temperatures and pressures at different altitudes.

d)

The atmosphere has the same temperature and pressure at all altitudes.

47.

Which one of the following factors does NOT influence climate?

a)

ocean currents

b)

the Sun's energy

c)

global wind patterns

d)

soil composition

48.

Most of the water on Earth is found in which of the following locations?

a)

oceans

b)

the atmosphere

c)

groundwater

d)

lakes and rivers

49.

Which of the following is a major factor in Earth's current global warming?

a)

stronger hurricanes

b)

burning of fossil fuels

c)

increase in volcanic activity

d)

increase in Sun's brightness

50.

If you start at the equator and head north, on average the climates will get

a)

drier

b)

cooler

c)

wetter

d)

warmer

51.

Approximately what percentage of Earth's surface is covered with water?

a)

30%

b)

50%

c)

70%

d)

90%

52.

What type of instrument is used to measure wind speed?

a)

wind vane

b)

speedometer

c)

the Beaufort scale

d)

anemometer

53.

Your friend argues that underwater volcanic activity is the main cause of increased ocean temperatures over the past 100 years. Which of the following is the best way to evaluate your friend's argument?

a)

Plan and conduct an investigation to test your friend's claim.

b)

Ask your friend questions to identify which supporting evidence they have.

c)

Build a model to generate data on your friend's claim.

d)

Agree with your friend because underwater volcanic activity would generate thermal energy, which would cause the temperature of the oceans to rise.

54.

Which of the following scientists studies the distribution and movement of Earth's water?

a)

climatologist

b)

hydrologist

c)

meteorologist

d)

atmospheric scientist

55.

How do ocean currents affect climates around the world? (Select all that apply)

a)

Ocean water moves in currents that transfers energy, which can affect climates.

b)

Oceans regulate the temperatures of coastal regions, keeping the regions mild.

c)

Ocean water heats and cools much more quickly than land temperatures do.

d)

The oceans store large amounts of thermal energy and move that energy around Earth in large ocean currents.

56.

Which location has the driest climate?

a)

Location A

b)

Location B

c)

Location C

d)

Location D

57.

Use the table to answer which location has the wettest climate?

a)

Location A

b)

Location B

c)

Location C

d)

Location D

58.

Use the table to answer the question. Each location has an average annual temperature above 18ºC (64ºF). Which location is most likely to have a tropical climate?

a)

Location A

b)

Location B

c)

Location C

d)

Location D

59.

Which one of the following are not used to measure or describe the weather?

a)

Temperature

b)

Wind Direction and Speed

c)

Mountain

d)

Precipitation

60.
Which of these is an example of precipitation?
a)
snow
b)
air
c)
clouds
d)
vapor
61.
Which is the opposite of condensation?
a)
runoff
b)
evaporation
c)
precipitation
d)
transpiration
62.
What is it called when plants give off water vapor as a waste product?
a)
condensation
b)
evaporation
c)
sublimation
d)
transpiration
63.

Water in its gas form is called ____________________,

a)

water vapor

b)

precipitation

c)

ice

d)

air

64.
During which stage do clouds form?
a)
condensation
b)
evaporation
c)
precipitation
65.
Which stages does liquid water from the ocean turn into water vapor?
a)
condensation
b)
evaporation
c)
precipitation
d)
run off
66.
What is A?
a)
Evaporation
b)
Condensation
c)
Precipitation
d)
Runoff
67.
What is B?
a)
Evaporation
b)
Condensation
c)
Precipitation
d)
Runoff
68.
What is C?
a)
Evaporation
b)
Condensation
c)
Precipitation
d)
Runoff
69.

Gravity causes ___________________ to occur.

a)

condensation

b)

precipitation

c)

evaporation

d)

none of the above

70.

This provides the power to keep the water cycle running.

a)

The Sun

b)

The Earth

c)

The wind

d)

living things

71.

Which example is a form of precipitation?

a)

Dew

b)

Fog

c)

Frost

d)

Hail

72.

Rain and snow are two different forms of precipitation that fall on Earth's surface. Which factor is responsible for there being different forms of precipitation?

a)

Evaporation

b)

Run-off

c)

Temperature

d)

Transpiration

73.

Groundwater moves from a lower elevation to a higher elevation.

a)

true

b)

false

74.
Condensation is when...
a)
A liquid turns to gas.
b)
A gas turns to liquid.
c)
A liquid turns to ice.
d)
All of the answers.
75.
Evaporation is...
a)
When water changes from a solid to a liquid.
b)
When water changes from a gas to a liquid.
c)
When water changes from a liquid to a gas.
d)
None of the answers.
76.
What changes water from one state to another.
a)
An airplane.
b)
Gravity
c)
A change in temperature.
d)
None of the answers.
77.
What do we call it when water evaporates, condenses, then precipitates to the earth and then repeats?
a)
A Bicycle.
b)
The Life Cycle of a butterfly.
c)
The Water Cycle.
d)
All of the answers.
78.

Aquifers are __________.

a)

not a part of the water cycle

b)

underground water

c)

caused by evaporation

d)

none of the above

79.

What causes condensation?

a)

is not part of the water cycle

b)

water vapor does not change and becomes a liquid

c)

water vapor heats up and becomes a liquid

d)

water vapor cools and becomes a liquid

80.

What is wind?

a)

The movement of water due to pressure differences

b)

The movement of air due to pressure differences.

c)

The movement of air due to pollution differences

d)

The movement of water deep in the ocean

81.

Air moves from areas of _____ pressure to areas of ____ pressure.

a)

high, low

b)

low, high

82.

Cold air is _______ dense than warm air.

a)

more

b)

less

c)

the same as

83.

Warm air is _____ dense than cold air.

a)

more

b)

less

c)

the same as

84.

Warm air _______ and cold air _______.

a)

sinks, rises

b)

rises, sinks

85.

Winds move in a curved pattern called

a)

Tradewinds

b)

The doldrums

c)

The Coriolis Effect

d)

Easterlies

86.

Winds that blow steadily from specific directions over long distances are called

a)

Sea breezes

b)

Land breezes

c)

Jet streams

d)

Global Winds

87.

Three types of global winds are:

a)

Tradewinds

b)

Sea Breezes

c)

Polar Easterlies

d)

Prevailing Westerlies

e)

Land breezes

88.

Winds that blow over short distances are called

a)

Local winds

b)

Global winds

c)

Doldrums

d)

Coriolis Effect

89.

A narrow belt of high speed winds that blow from west to east, between 7 km and 16 km above Earth’s surface is called

a)

a jet stream

b)

the doldrums

c)

the Coriolis effect

d)

global winds

90.

Which absorbs heat the fastest?

a)

Land

b)

Water

91.

Continental air masses are located above

a)

land

b)

water

92.

Maritime air masses are located above

a)

land

b)

water

93.

Polar air masses are

a)

hot

b)

cold

c)

medium temperature

94.

Tropical air masses are

a)

hot

b)

cold

c)

medium tempertaure

95.

Weather events (clouds, rain, storms) occur along the edges of air masses at boundaries called

a)

Coriolis effect

b)

fronts

c)

sea breezes

d)

jet streams

96.

Surface ocean currents are caused by

a)

water temperature

b)

water density

c)

salinty

d)

Global winds

97.

Deep ocean currents are driven by

a)

global winds

b)

salinity

c)

water temperature

d)

the Coriolis effect

98.

An _________ is a large body of air that travels in one direction due to pressure.

a)

Front

b)

Air mass

c)

Ocean current

99.

Global winds don’t blow in straight north/south lines, due to....

a)

Atmosphere

b)

Clouds

c)

Coriolis Force

d)

None of the above

100.

What is the main cause of the Coriolis Effect?

a)

Temperature

b)

Trade Winds

c)

Earth’s Rotation

d)

The Sun and Ocean

101.

What does the Coriolis Effect impact?

a)

Wind Speed

b)

Wind Direction

c)

Small Scale Objects

d)

Bodies of Water

102.

What does the Coriolis Effect help to directly develop in circular motion?

a)

Tornadoes

b)

Thunderstorms

c)

Hurricanes

d)

Floods

103.

A polar air mass will have what kind of air in it?

a)

Warm

b)

Cold

c)

Humid

d)

Dry

104.

what is the coriolis effect?

a)

change in location of warm and cold surface water every 2-7 years

b)

tendency of objects moving large distances on Earth’s surface to bend to the right in the northern hemisphere & to the left in the southern hemisphere

c)

winds in northern Indian ocean that blow from the southwest in the summer & from the northeast in winter

d)

two layers of horizontal winds moving in opposite directions

105.

Using one or more senses to gather information is called ...

a)

hypothesis

b)

observation

c)

conclusion

d)

problem

106.

An educated prediction that can be tested is a/an

a)

theory

b)

hypothesis

c)

problem

d)

conclusion

107.

Which of the following is an example of data?

a)

measurements

b)

conclusion

c)

theories

d)

materials

108.

Observations that deal with a number or amount are called

a)

manipulated observations

b)

quantitative observations

c)

qualitative observations

d)

operational observations

109.

The rock has bands of black, white and grey is an example of this type of observation.

a)

manipulated observations

b)

quantitative observation

c)

qualitative observation

d)

operational observation

110.

The statement that correctly lists the steps of the scientific method in order is ______

a)

ask a question- research-conclusion-form hypothesis

b)

form hypothesis- ask a question- gather and analyze data- share

c)

design experiment- research-ask a question

d)

form hypothesis- design experiment- gather and analyze data- conclusion

111.

The steps commonly used by scientists in gathering information to test hypotheses and solve problems are called _____.

a)

descriptive research

b)

pure science

c)

applied science

d)

scientific method

112.

In a scientific experiment, the one variable that is changed by the scientist to test a hypothesis is called the _________________________ variable.

a)

dependent

b)

independent

c)

controlled

d)

problem

113.

The _________________________ is the base metric unit of liquid volume.

a)

liter

b)

meter

c)

gram

d)

pound

114.

For ease of understanding, scientists report measurements using the ______________ system.

a)

dependent

b)

science

c)

English

d)

SI or metric

115.

A _________________________ is a visual display of information or data.

a)

line

b)

gram

c)

graph

d)

circle

116.

A ________________ graph is used to show trends in data over time.

a)

line

b)

circle

c)

bar

d)

graph

117.

____________ is the prefix meaning 1000.

a)

milli-

b)

kilo-

c)

mega-

d)

centi-

118.

A process that uses observation and experimentation to gain knowledge about events in nature is _________________________.

a)

gram

b)

scientific method

c)

experiment

d)

science

119.

Which prefix means hundredth?

a)

milli-

b)

deci-

c)

centi-

d)

hecto-

120.

What type of data does the picture represent?

a)

qualitative

b)

quantitative

c)

counting

d)

scientific

121.

What is the name of this piece of equipment?

a)

beaker

b)

graduated cylinder

c)

test tube

d)

flask

122.

What is this piece of equiment used for?

a)

measuring mass

b)

measuring volume

c)

holding liquids

d)

mixing liquids

123.

Mass is measured in

a)

liters

b)

grams

c)

centimeters

d)

pounds

124.

It is safe to taste any substance to correctly identify it.

a)

true

b)

false

125.

According to the circle graph, what is the favorite pizza topping?

a)

cheese

b)

supreme

c)

sausage

d)

pepperoni

126.

According to the graph, what is the nicest fruit?

a)

blueberry

b)

apple

c)

orange

d)

banana

127.

What was the highest temperature reached?

a)

40F

b)

30F

c)

50F

d)

60F

128.

What variable goes on the x-axis?

a)

independent

b)

dependent

c)

variable

d)

control

129.

You do not have to wear safety glasses when working with chemicals.

a)

true

b)

false

130.
What two things are needed for a scientific investigation?
a)
Data and observations
b)
Observations and a hypothesis
c)
Evidence and observations
d)
Hypothesis and conclusion
131.

Which of these best describes an experiment?

a)

mathematical analysis of data

b)

observation of animals in their natural world

c)

collection of data from an uncontrolled environment for comparative purposes

d)

procedure with controlled conditions and test and outcome variables

132.

Which piece of equipment are used to measure length?

a)

balance

b)

ruler

c)

graduated cylinder

d)

thermometer

133.

Which property of vinegar can you observe through sense alone?

a)

has a sour, acidic taste

b)

has a pH greater than that of pure water

c)

has a density greater than that of pure water

d)

conducts an electrical current when dissolved in water

134.

Identifying the Test (Independent) Variable and Outcome (Dependent) Variable in an experiment will help you interpret results. What is the difference between the Test (Independent) and the Outcome (Dependent) Variable in an experiment?

a)

Test Variable changes due to the outcome variable, the Outcome Variable is what is measured in an experiment.

b)

Test Variable changes due to the outcome variable, the Outcome Variable is what stays the same in an experiment.

c)

The Test Variable is what we change in an experiment, and the Outcome Variable is what changes as a result of that change.

d)

The Test Variable is what is measured in an experiment, and the Outcome Variable is what changes as a result of that change.

135.
In a scientific experiment, the one variable that is changed by the scientist to test a hypothesis is called the _________________________ variable.
a)

dependent

b)

control

c)

constant

d)

independent

136.

What are the steps of the Scientific Method?

a)

Make observation & Ask question, Make Hypothesis, Analyze Results or data, Test Hypothesis, Draw Conclusion

b)

Make observation & Ask question, Make Hypothesis, Test Hypothesis, Analyze Data, Draw Conclusion and Communicate Results

c)

Make observation & Ask question, Communicate Results, Make Hypothesis, Analyze Results or data, Test Hypothesis, Draw Conclusion

d)

Communicate Results, Make observation & Ask question, Make Hypothesis, Analyze Results or data, Test Hypothesis, Draw Conclusion

137.
A possible explanation to a problem that has not yet been tested. 
a)
data
b)
theory
c)
hypothesis
d)
fact
138.

Anything that may affect the results of an experiment 

a)
variables
b)
quantitative data
c)
hypothesis
d)
steps
139.

This variable in an experiment is the one being deliberately changed by the scientist.  It is the only variable that is different between groups.

a)
dependent variable
b)
independent variable
c)
data
d)
control group
140.
The name of the information that you get from your experiment (you organize it into charts and graphs).
a)
observations
conclusion
b)
data
c)
variables
d)
hypothesis
141.
A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. The dependent variable is the _____.
a)
Diameter of the ball
b)
Force acting on the ball
c)
Height that the ball bounces
d)
Height from which the ball is dropped
142.
When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. The fact that we kept the light, plant, and water the same in each experiment are examples of ____________.
a)
an dependent variable
b)
an independent variable
c)
a control
d)
constants
143.

A diagram showing the relationship between variables

a)

independent variable

b)

constant

c)

hypothesis

d)

graph

144.

An arrangement of data in rows and columns representing the variables

a)

data table

b)

constant

c)

hypothesis

d)

graph

145.

The measurable effect of the experiment; the data collected

a)

data table

b)

constant

c)

dependent variable

d)

graph

146.

A test of performance; the number of times repeated/tested

a)

data table

b)

trial

c)

dependent variable

d)

graph

147.

A logical interpretation based on prior knowledge and experience

a)

data table

b)

trial

c)

dependent variable

d)

inference

148.

In an experiment, the group that is not exposed to the treatment

a)

control group

b)

trial

c)

dependent variable

d)

inference

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