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General Science CET Review

Total questions: 152

Worksheet time: 1hrs 19mins

Name
Class
Date
1.

Science is a systematic study that is concerned with the following:

a)

facts, principles, and methods that could be observed

b)

facts, opinions, principles, and methods that could be observed

c)

facts and principles that could be observed

d)

facts and methods that could be observed

2.

Science comes from which Latin word

a)

Scientia

b)

Studium

c)

Sentio

d)

Magus

3.

What does Scientia mean?

a)

to know

b)

to observe

c)

to hypothesize

d)

to experiment

4.

What are the characteristics of a scientific study?

a)

well-planned

b)

rigorously reasoned

c)

repeatability

d)

consistent results

e)

sustainability

5.

What is technology?

a)

all the knowledge gained through careful observations and experiments

b)

the application of scientific knowledge to improve life or satisfy needs

6.

What is the key difference between science and technology?

a)

science is knowledge gained, technology is the application of that knowledge

b)

science is the application of knowledge, technology acquires the knowledge science needs

c)

science makes use of the scientific method, technology is an applied science

7.

Pick the best answer:

What is a unique characteristic of technology in relation to science?

a)

using knowledge to improve life or satisfy needs

b)

using knowledge to cure diseases

c)

using knowledge to understand the environment

d)

using knowledge to educate

8.

What are the classifications of technology?

a)

machines

b)

products

c)

processes

d)

innovations

9.

The scientific method is the logical method used by scientists to acquire knowledge that is used to explain phenomena in nature

a)

true

b)

false

10.

What are the basic steps of the scientific method?

a)

problem, info gathering, hypothesis, experimentation, conclusion, application of the principle

b)

problem, hypothesis, experimentation, conclusion

c)

problem, hypothesis, experimentation, analysis, conclusion

d)

problem, hypothesis, experimentation, analysis, conclusion, application of the principle

11.

What are the characteristics of a problem in the scientific method?

a)

specific

b)

measurable

c)

attainable

d)

sustainable

e)

repeatable

12.

A controlled experiment involves the manipulation of one of the conditions or factors that may affect the result of the experiment?

a)

true

b)

false

13.

A controlled experiment is an experiment that restricts the experiment to a singular result

a)

true

b)

false

14.

Trials are the number of times an experiment is repeated

a)

true

b)

false

15.

Controls are the factors that are kept constant throughout the experiment

a)

true

b)

false

16.

Controls are the factors that are manipulated throughout the experiment

a)

true

b)

false

17.

Variables are the factors that change during the experiment

a)

true

b)

false

18.

Variables are the factors that stay constant throughout the experiment

a)

true

b)

false

19.

What is the independent variable?

a)

The variable that is changed

b)

The variable that is a result of change

c)

The variable that stays constant throughout the experiment

20.

What is the dependent variable?

a)

The variable that is changed

b)

The variable that is a result of change

c)

The variable that stays constant throughout the experiment

21.

What is the independent variable otherwise known as?

a)

Experimental variable

b)

Manipulated variable

c)

Controlled variable

d)

Integral variable

22.

What is a conclusion in the scientific method?

a)

A statement about the result of the experiment

b)

Statement which describes what happens but does not explain the cause or occurrence

c)

A hypothesis that can be explained from observation

d)

A fact that can be explained through observation

23.

What is a law in the scientific method?

a)

A statement about the result of the experiment

b)

Statement which describes what happens but does not explain the cause or occurrence

c)

A hypothesis that can be explained from observation

d)

A fact that can be explained through observation

24.

What is a theory in the scientific method?

a)

A statement about the result of the experiment

b)

Statement which describes what happens but does not explain the cause or occurrence

c)

A hypothesis that can be explained from observation

d)

A fact that can be explained through observation

25.

Measurement is the process of comparing a quantity with a chosen standard

a)

True

b)

False

26.

Measurement is the process of comparing a quantity with another

a)

True

b)

False

27.

What is the system of units that scientists have agreed upon and is legally enforced in almost all parts of the world?

a)

International System (SI)

b)

Global System (GS)

c)

British Imperial System

d)

US Customary System

28.

There are 7 quantities in the International System (SI)

a)

True

b)

False

29.

There are 6 quantities in the International System (SI)

a)

True

b)

False

30.

What are the basic quantities in measurement?

a)

Length, mass, time, electric current, temperature, amount of substance, luminous intensity

b)

Length, mass, time, temperature, amount of substance, luminous intensity

c)

Length, mass, time, temperature, luminous intensity

d)

Length, mass, time, electric current, temperature, luminous intensity

31.

Is electric current a basic quantity in measurement?

a)

True

b)

False

32.

Is amount of substance a basic quantity in measurement?

a)

True

b)

False

33.

What is the SI unit of length?

a)

Meters

b)

Kilograms

c)

Seconds

d)

Amperes

e)

Kelvin

34.

What is the SI unit of mass?

a)

Moles

b)

Kilograms

c)

Seconds

d)

Amperes

e)

Kelvin

35.

What is the SI unit of time?

a)

Moles

b)

Candelas

c)

Seconds

d)

Amperes

e)

Kelvin

36.

What is the SI unit of electric current?

a)

Moles

b)

Candelas

c)

Seconds

d)

Amperes

e)

Kelvin

37.

What is the SI unit of temperature?

a)

Moles

b)

Candelas

c)

Seconds

d)

Amperes

e)

Kelvin

38.

What is the SI unit of amount of substance?

a)

Moles

b)

Candelas

c)

Seconds

d)

Amperes

e)

Kelvin

39.

What is the SI unit of luminous intensity?

a)

Moles

b)

Candelas

c)

Seconds

d)

Amperes

e)

Kelvin

40.

What are the factors that affect the degree of accuracy of measurements?

a)

Precision

b)

Accuracy

c)

Faulty technology

d)

Unambiguity

41.

What is accuracy?

a)

The degree of closeness of measurements of a quantity to its actual value

b)

The degree to which repeated measurements under unchanged conditions show the same results

42.

What is precision?

a)

The degree of closeness of measurements of a quantity to its actual value

b)

The degree to which repeated measurements under unchanged conditions show the same results

43.

Matter is defined as anything that occupies space and possesses the attributes of gravity and inertia

a)

True

b)

False

44.

Matter has 5 states

a)

True

b)

False

45.

Matter has 4 states?

a)

True

b)

False

46.

Characterized by resistance to any change in shape, caused by a strong attraction between the molecules of which it is composed

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

47.

Does not resist forces that act to change its shape, because the molecules are free to move with respect to each other

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

48.

State of matter in which molecules are widely dispersed and freely move. It offers no resistance to change of shape and little resistance to change in volume

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

49.

Consisting of an overall charge-neutral mix of electrons, ions, and neutral atoms

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

50.

A gas that is not confined tends to diffuse infinitely, increasing in volume and diminishing in density

a)

True

b)

False

51.

A gas that is not confined tends to diffuse infinitely, decreasing in volume and increasing in density

a)

True

b)

False

52.

Which is solid

a)
b)
c)
d)
53.

Which is liquid

a)
b)
c)
d)
54.

Which is gas

a)
b)
c)
d)
55.

Which is plasma

a)
b)
c)
d)
56.

From what order of the states of matter does energy increase?

a)

Solid -> liquid -> gas -> plasma

b)

Solid <- liquid <- gas <- plasma

c)

Solid -> plasma -> gas -> liquid

d)

Solid <- plasma <- gas <- liquid

57.

MOST substances are solid at low temperatures, liquid at medium temperatures, and gaseous in high temperatures, but the states are not always distinct

a)

True

b)

False

58.

Temperature at which any given substance changes from solid to liquid and vice versa

a)

Melting point

b)

Boiling point

c)

Dew point

d)

Freezing point

59.

Temperature at which it changes from liquid to gas and vice versa

a)

Melting point

b)

Boiling point

c)

Dew point

d)

Freezing point

60.

Temperature at which the vapor pressure of a liquid equals the external pressure surrounding the liquid

a)

Melting point

b)

Boiling point

c)

Dew point

d)

Freezing point

61.

The boiling point of a liquid is dependent on atmospheric pressure

a)

True

b)

False

62.

The boiling point of a liquid isn’t dependent on atmospheric pressure

a)

True

b)

False

63.

The boiling point becomes lower as the external pressure is reduced

a)

True

b)

False

64.

The boiling point becomes lower as the external pressure is increased

a)

True

b)

False

65.

What is a physical change?

a)

Change in matter that involved no chemical reaction

b)

Change in matter where the chemical composition of each molecule changes

66.

What is a chemical change?

a)

Change in matter that involved no chemical reaction

b)

Change in matter where the chemical composition of each molecule changes

67.

Melting is what kind of change?

a)

Physical change

b)

Chemical change

68.

Evaporating is what kind of change?

a)

Physical change

b)

Chemical change

69.

Freezing is what kind of change?

a)

Physical change

b)

Chemical change

70.

Rusting is what kind of change?

a)

Physical change

b)

Chemical change

71.

Burning is what kind of change?

a)

Physical change

b)

Chemical change

72.

What do you consider in a controlled set-up?

a)

Site

b)

Climate

c)

Technology

d)

Budget

e)

Socioeconomics

73.

Which state of matter has the greatest random molecular motion?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

74.

Dissolving salt in water is what kind of change?

a)

Physical change

b)

Chemical change

75.

Color change is one of the conditions of chemical change

a)

true

b)

false

76.

Formation of a precipitate is a condition of chemical change

a)

true

b)

false

77.

Formation of a gas is one of the conditions of chemical change

a)

true

b)

false

78.

Odor change is one of the conditions of chemical change

a)

true

b)

false

79.

Temperature change is one of the conditions of chemical change

a)

true

b)

false

80.

Viscosity change is one of the conditions of chemical change

a)

true

b)

false

81.

Machines are devices that can do the following

a)

multiply force and speed/distance

b)

change the direction of force

c)

transfer energy

d)

transform energy

e)

produce energy

82.

Mechanical devices that only have one or two parts each

a)

simple machines

b)

compound/complex machines

83.

Mechanical devices that make use of two or more simple machines

a)

simple machines

b)

compound/complex machines

84.

Machines can multiply force

a)

true

b)

false

85.

Machines can multiply speed/distance

a)

true

b)

false

86.

Machines can change the direction of force

a)

true

b)

false

87.

Machines can change the direction of speed

a)

true

b)

false

88.

Machines can transform energy from one form to another

a)

true

b)

false

89.

Machines can produce energy

a)

true

b)

false

90.

An inclined plane is a simple machine

a)

true

b)

false

91.

A lever is a simple machine

a)

true

b)

false

92.

A screw is a simple machine

a)

true

b)

false

93.

A wheel and axle is a simple machine

a)

true

b)

false

94.

A pulley is a simple machine

a)

true

b)

false

95.

A wedge is a simple machine

a)

true

b)

false

96.

What is the formula for density?

a)

p = massvolumep\ =\ \frac{mass}{volume}  

b)

p = volumemassp\ =\ \frac{volume}{mass}  

c)

p = volume × massp\ =\ volume\ \times\ mass  

d)

p = volume × volumemassp\ =\ volume\ \times\ \frac{volume}{mass}  

97.

How can the density of solids be measured?

a)

weighed for mass, immersed in water to determine volume

b)

weighing an empty container & container with liquid for mass, measuring instruments for volume

c)

airtight containers for volume and weight (with consideration to temperature and pressure)

98.

How can the density of liquids be measured?

a)

weighed for mass, immersed in water to determine volume

b)

weighing an empty container & container with liquid for mass, measuring instruments for volume

c)

airtight containers for volume and weight (with consideration to temperature and pressure)

99.

How can the density of gases be measured?

a)

weighed for mass, immersed in water to determine volume

b)

weighing an empty container & container with liquid for mass, measuring instruments for volume

c)

airtight containers for volume and weight (with consideration to temperature and pressure)

100.

Climate is the long-term effect of the sun's radiation on the rotating earth's varied surface and atmosphere

a)

true

b)

false

101.

Climate is a state of the atmosphere at a particular time and place

a)

true

b)

false

102.

Weather is a state of the atmosphere at a particular time and place

a)

true

b)

false

103.

Climate is commonly defined as the weather averaged over a long period of time

a)

true

b)

false

104.

What is temperature?

a)

a measure of the degree of hotness of the air

b)

a measure of the amount of water vapor in the air

c)

the horizontal movement of air

d)

the force of the air on a given surface divided by the area of that surface

105.

What is the instrument usually used to measure temperature?

a)

thermometer

b)

hygrometer

c)

psychrometer

d)

rain gauge

e)

anemometers

106.

What is humidity?

a)

a measure of the degree of hotness of the air

b)

a measure of the amount of water vapor in the air

c)

the horizontal movement of air

d)

the force of the air on a given surface divided by the area of that surface

107.

Relative humidity is the most common measure of humidity

a)

true

b)

false

108.

Absolute humidity is the most common measure of humidity

a)

true

b)

false

109.

Relative humidity is the amount of vapor in the air divided by the air's vapor-holding capacity at that temperature

a)

true

b)

false

110.

Absolute humidity is the amount of vapor in the air divided by the air's vapor-holding capacity at that temperature

a)

true

b)

false

111.

Absolute humidity is the actual amount of vapor in the air

a)

true

b)

false

112.

If the amount of water vapor in the air remains the same, the relative humidity decreases as the air is heated and increases as the air is cooled

a)

true

b)

false

113.

What is the instrument usually used to measure humidity?

a)

thermometer

b)

hygrometer

c)

psychrometer

d)

rain gauge

e)

anemometers

114.

What is the instrument usually used to measure precipitation?

a)

thermometer

b)

hygrometer

c)

psychrometer

d)

rain gauge

e)

anemometers

115.

What is wind?

a)

a measure of the degree of hotness of the air

b)

a measure of the amount of water vapor in the air

c)

the horizontal movement of air

d)

the force of the air on a given surface divided by the area of that surface

116.

What is the instrument usually used to measure wind speed?

a)

barometer

b)

hygrometer

c)

psychrometer

d)

rain gauge

e)

anemometers

117.

Wind vanes are used to determine wind direction

a)

true

b)

false

118.

Wind vanes are used to measure wind speed

a)

true

b)

false

119.

What is pressure?

a)

a measure of the degree of hotness of the air

b)

a measure of the amount of water vapor in the air

c)

the horizontal movement of air

d)

the force of the air on a given surface divided by the area of that surface

120.

In most weather systems, the air pressure is equal to the weight of the air column divided by the area of the column

a)

true

b)

false

121.

What is the instrument usually used to measure pressure?

a)

barometer

b)

hygrometer

c)

psychrometer

d)

rain gauge

e)

anemometers

122.

Clouds are excess water vapor in the air that condenses into liquid droplets or ice crystals

a)

true

b)

false

123.

Most clouds and almost all precipitation are produced by the cooling of air as it rises

a)

true

b)

false

124.

What is a fluffy cumulus cloud

a)

formed from rising masses of air, called thermals

b)

formed high in the troposphere and their crystals never reach the ground

c)

formed when an entire layer of air cools or ascends obliquely

125.

What are fibrous cirrus clouds

a)

formed from rising masses of air, called thermals

b)

formed high in the troposphere and their crystals never reach the ground

c)

formed when an entire layer of air cools or ascends obliquely

126.

What are stratus clouds

a)

formed from rising masses of air, called thermals

b)

formed high in the troposphere and their crystals never reach the ground

c)

formed when an entire layer of air cools or ascends obliquely

127.

What is a fluffy cumulus cloud

a)

often has a flat base, corresponding to the level at which the water vapor first condenses

b)

consists of trails of falling ice crystals twisted by the winds

c)

can extend for miles

128.

What are fibrous cirrus clouds

a)

often has a flat base, corresponding to the level at which the water vapor first condenses

b)

consists of trails of falling ice crystals twisted by the winds

c)

can extend for miles

129.

What are stratus clouds clouds

a)

often has a flat base, corresponding to the level at which the water vapor first condenses

b)

consists of trails of falling ice crystals twisted by the winds

c)

can extend for miles

130.

what type of cloud is this?

a)

cumulus cloud

b)

cirrus cloud

c)

stratus cloud

131.

what type of cloud is this?

a)

cumulus cloud

b)

cirrus cloud

c)

stratus cloud

132.

what type of cloud is this?

a)

cumulus cloud

b)

cirrus cloud

c)

stratus cloud

133.

if a cumulus cloud grows large, it transforms into what?

a)

cumulonimbus cloud

b)

thunderstorm

c)

rainfall

d)

nimbus cloud

134.

Water is a universal solvent

a)

true

b)

false

135.

Water is chemically indestructible

a)

true

b)

false

136.

What is water's freezing point?

a)

0 C 

b)

100 C

c)

50 C

137.

What is water's boiling point?

a)

0 C 

b)

100 C

c)

50 C

138.

Why is water blue?

a)

molecular scattering of the sunlight

b)

the seafloor is blue

c)

the reflection of color on water

d)

water is naturally blue

139.

What is number 1?

Hint: process by which a liquid turns into gas

a)

evaporation

b)

transpiration

c)

sublimation

d)

deposition

e)

precipitation

140.

What is number 2?

Hint: produced when the droplets and crystals in clouds grow large enough to fall to the ground

a)

evaporation

b)

transpiration

c)

sublimation

d)

deposition

e)

precipitation

141.

What is number 3?

Hint: the process where water vapor becomes liquid

a)

condensation

b)

transpiration

c)

sublimation

d)

deposition

e)

precipitation

142.

What is number 4?

Hint: the conversion of a substance from the solid to the gaseous state without its becoming liquid

a)

condensation

b)

transpiration

c)

sublimation

d)

deposition

e)

precipitation

143.

What is number 5?

Hint: the process of water movement through a plant and its evaporation from aerial parts

a)

condensation

b)

transpiration

c)

sublimation

d)

deposition

e)

precipitation

144.

What is number 6?

Hint: when water vapor changes directly into ice

a)

condensation

b)

transpiration

c)

sublimation

d)

deposition

e)

precipitation

145.

What is number 7?

a)

transportation

b)

runoff

c)

percolation

d)

infiltration

e)

groundwater

146.

What is number 8?

Hint: movement of water over the surface of land

a)

transportation

b)

runoff

c)

percolation

d)

infiltration

e)

groundwater

147.

What is number 9?

Hint: happens when water soaks into the soil from the ground level

a)

plant uptake

b)

runoff

c)

percolation

d)

infiltration

e)

groundwater

148.

What is number 10?

Hint: the movement of water through the soil itself

a)

plant uptake

b)

runoff

c)

percolation

d)

infiltration

e)

groundwater

149.

What is number 11?

Hint: water taken from groundwater flow and soil moisture

a)

plant uptake

b)

runoff

c)

percolation

d)

infiltration

e)

groundwater

150.

What is number 12?

Hint: water that flow underground

a)

plant uptake

b)

runoff

c)

percolation

d)

infiltration

e)

groundwater

151.

Condensation happens through the following ways

a)

air is cooled to its dew point

b)

air becomes saturated with water vapor

c)

air reaches its freezing point

d)

air loses water vapor

152.

What are the stages of the water cycle

a)

storage

b)

evaporation

c)

precipitation

d)

runoff

e)

collection