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Essentials of Science 2 Final

Total questions: 124

Worksheet time: 1hrs 3mins

Name
Class
Date
1.

The measure of how much matter is in a thing is called __________

a)

kilogram

b)

mass

c)

volume

2.

A thing with more mass is ___________ to move.

a)

harder

b)

easier

3.

A thing with less mass is _______________ to stop.

a)

easier

b)

harder

4.

Mass is measured in _________.

a)

inches

b)

feet

c)

grams

5.

A kilogram equals _____________ grams.

a)

10

b)

100

c)

1000

6.

__________________ measures how much space a thing takes up.

a)

volume

b)

mass

c)

length

7.

Which is the formula for Volume?

a)

V=length X Width X Height

(V=L x W x H)

b)

A=b x h

c)

3.14 x r2

8.

The standard unit for volume is the ________

a)

gram

b)

meter

c)

Liter

9.

Color, texture, and shape are _______________ properties.

a)

chemical

b)

physical

10.

What tool do you use to measure liquids?

a)

a scale

b)

a graduated cylinder

c)

a ruler

11.

What are the 3 phases of matter?


solid, liquid, and __________

a)

gas

b)

rocks

c)

mineral

12.

The top layer of the earth, the part we walk on, is called the ___________.

a)

mantle

b)

core

c)

crust

13.

The center of the earth is very hot. It is called the _________.

a)

crust

b)

mantle

c)

core

14.

This type of rock is laid down in layers over many years.

a)

sedimentary

b)

metamorphic

c)

grantic

d)

igneous

15.

This type of rock is made from lava.

a)

sedimentary

b)

metamorphic

c)

igneous

16.

This type of rock changes because of heat and pressure.

a)

sedimentary

b)

metamorphic

c)

igneous

17.

The inner core of the earth is mostly made of what element?

a)

Iron (FE)

b)

Oxygen (O)

c)

Calcium (CA)

18.

What is the thinnest layer of the earth?

a)

crust

b)

mantle

c)

core

19.

What layer of the earth makes up most of the earth's mass?

a)

crust

b)

mantle

c)

core

20.

The layer of the earth is in the center of the earth and is VERY hot.

a)

crust

b)

mantle

c)

core

21.

Which is more dense?

a solid or a gas

a)

solid

b)

gas

22.

Which is more dense?

a gas or a liquid

a)

gas

b)

liquid

23.

Which is more dense?

a bowling ball or a basketball

a)

bowling ball

b)

basketball

24.

Which of these is a physical property?

a)

rust

b)

flammability

c)

color

25.

Which of these is a physical property?

a)

rust

b)

flammability

c)

texture

26.

True or False

Everything is made of atoms.

a)

True

b)

False

27.

Which word means the ability to float?

a)

density

b)

volume

c)

mass

d)

buoyancy

28.

True or False

Volume and mass are physical properties.

a)

True

b)

False

29.

True or False

Pressure increases (becomes greater) the deeper you go in the ocean.

a)

True

b)

False

30.

Which direction do latitude lines go on a globe?

a)

east and west (horizontal)

b)

north and south (vertical)

31.

Which direction do longitude lines go on a globe?

a)

east and west (horizontal)

b)

north and south (vertical)

32.

What do we call zero (0) degrees latitude?

a)

the equator

b)

the prime meridian

33.

What do we call zero (0) degrees longitude?

a)

the equator

b)

the prime meridian

34.

What do we call land that is surrounded on all sides by water?

a)

a peninsula

b)

an island

c)

a volcano

35.

What do we call land that is surrounded on three sides by water?

a)

a peninsula

b)

an island

c)

a valley

36.

What continent do you live on?

a)

North America

b)

South America

c)

Europe

d)

Asia

37.

What ocean is off the coast of South Carolina?

a)

Pacific Ocean

b)

Indian Ocean

c)

Atlantic Ocean

d)

Arctic Ocean

38.

What are glucose, sucrose, and fructose?

a)

sugars

b)

spices

c)

metals

39.

What do we call the temperature at which a liquid becomes a solid?

a)

Freezing point

b)

Boiling point

40.

What do we call the temperature at which a liquid becomes a gas?

a)

Boiling Point

b)

Freezing Point

41.

What do we call a PURE chemical?

a)

a molecule

b)

an element

c)

a compound

42.

What is represented by the symbol H2O ?

a)

Water

b)

Oil

c)

gas

d)

sugar

43.

If there is a reaction and we there are color changes, bubbles made, and heat made; we can guess that there was a ______________ change.

a)

physical

b)

chemical

44.

Water boiling is a ____________ change.

a)

physical

b)

chemical

45.

What can we use to separate metal and non-metal substances (things)?

a)

a magnet

b)

a filter

46.

What can we use to separate liquids and solids?

a)

a magnet

b)

a filter

47.

What tool would you use to separate dirt from water?

a)

a magnet

b)

a filter

48.

What do we call water that falls from the sky?

a)

precipitation

b)

condensation

c)

evaporation

49.

What is it called when water molecules collect together?

a)

precipitation

b)

condensation

c)

evaporation

50.

What is it called when water changes from a liquid to a gas?

a)

precipitation

b)

condensation

c)

evaporation

51.

At what temperature Fahrenheit does water freeze?

a)

212 degrees

b)

72 degrees

c)

32 degrees

52.

At what temperature Fahrenheit does water boil?

a)

212 degrees

b)

72 degrees

c)

32 degrees

53.

What would be a comfortable room temperature in Fahrenheit degrees?

a)

212 degrees

b)

72 degrees

c)

32 degrees

54.

What tool measures temperature?

a)

a thermometer

b)

a barometer

55.

What tool measures air pressure?

a)

a thermometer

b)

a barometer

56.

What do we call a scientist that studies the weather?

a)

a biologist

b)

a chemist

c)

a meteorologist

57.

When air pressure rises (goes up), what kind of weather can you expect?

a)

nice weather

b)

stormy weather

58.

When air pressure falls (goes down), what type of weather can you expect?

a)

nice weather

b)

stormy weather

59.

What tool measures wind speed.

a)

a thermometer

b)

a barometer

c)

an anemometer

d)

a weather vane

60.

What tool measures wind direction?

a)

a thermometer

b)

a barometer

c)

an anemometer

d)

a weather vane

61.

What do we call the air around the earth?

a)

the lithosphere

b)

the atmosphere

62.

What might happen when dry cool air mixes with warm wet air?

a)

a tornado

b)

nice weather

63.

What do we call big fluffy clouds?

a)

cumulus clouds

b)

stratus clouds

c)

cirrus clouds

64.

What types of clouds may make thunderstorms and bring lots of rain?

a)

Cumulonimbus clouds

b)

Stratus clouds

c)

Cirrus clouds

65.

What do we call a person that makes maps?

a)

a meteorologist

b)

a cartographer

c)

a geologist

66.

What do we call a large tropical storm with winds that are stronger than 74 miles per hour?

a)

a hurricane

b)

a blizzard

c)

a thunderstorm

67.

The air we breathe is mostly made up of Nitrogen and ____________.

a)

Iron (Fe)

b)

Calcium (Ca)

c)

Oxygen (O)

68.

How much of the earth is covered with water?

a)

70%

b)

96%

c)

3%

69.

How much of the earth's water is in the oceans?

a)

70%

b)

96%

c)

3%

70.

Water that we can drink is called freshwater. How much of the earth's freshwater is found in rivers, lakes, and streams on the surface of the earth?

a)

70%

b)

30%

c)

1%

71.

Where is 70% of the earth's fresh water found?

a)

in lakes and rivers

b)

in the ground

c)

in ice

72.

What do we call matter (a thing) that is made of 2 or more different atoms?

a)

a compound

b)

an element

73.

Matter that is made of one type of atom is called ____________.

a)

an element

b)

a compound

74.

True or False

A pure substance can NOT be broken into different parts.

a)

True

b)

False

75.

What do we call a chart of all the elements?

a)

a chemistry chart

b)

The Periodic Table

76.

In a mixture, if the substances are separate from each other, that mixture is called ____________.

a)

homogenous

b)

heterogenous

77.

Saltwater is what kind of mixure?

a)

homogenous

b)

heterogenous

78.

True or False

Homogenous mixtures are usually solutions.

a)

True

b)

False

79.

Which is a pure substance?

a)

cereal

b)

salad

c)

gold

80.

Which is a mixture?

a)

gold

b)

pizza

c)

iron

81.

Things with more mass have

a)

more gravity

b)

less gravity

82.

What do friction, wind resistance and gravity do to moving things?

a)

They slow them down.

(Make them go slower.)

b)

They speed them up.

(Make them go faster.)

83.

True or False

The bigger the object the less the inertia.

a)

True

b)

False

84.

When something is moved from its place, this ___________________.

a)

displacement

b)

velocity

c)

acceleration

85.

Change in speed and direction

a)

displacement

b)

velocity

c)

acceleration

86.

Identify the simple machine.

a)

Inclined Plane

b)

wedge

c)

screw

d)

pulley

87.

Identify the simple machine.

a)

inclined plane

b)

wedge

c)

screw

d)

lever

88.

Identify the simple machine.

a)

inclined plane

b)

wedge

c)

screw

d)

pulley

89.

Identify the simple machine.

a)

inclined plane

b)

wedge

c)

screw

d)

pulley

90.

Identify the simple machine.

a)

inclined plane

b)

screw

c)

pulley

d)

wheel and axle

91.

Identify the simple machine.

a)

inclined plane

b)

screw

c)

wheel and axle

d)

pulley

92.

Force is measured in ____________.

a)

Newtons

b)

grams

c)

centimeters

d)

Liters

93.

In an atom, where are protons found?

a)

in the electron cloud

b)

In the nucleus

c)

in the electrons

94.

In an atom, where are neutrons found?

a)

In the nucleus

b)

In the electron cloud

c)

In electrons

95.

Electrons have a ________________ charge.

a)

positive

b)

negative

c)

neutral

96.

Protons have a ________________ charge.

a)

positive

b)

negative

c)

neutral

97.

Neutrons have a ________________ charge.

a)

positive

b)

negative

c)

neutral

98.

This machine makes electricity.

a)

generator

b)

transformer

c)

breaker

99.

In the picture, how is electricity made?

a)

solar power

b)

by burning coal

c)

nuclear power

d)

hydroelectric

e)

wind power

100.

Which shows a nuclear power plant?

a)
b)
c)
d)
101.

Which picture shows solar energy production?

a)
b)
c)
d)
102.

Which picture shows making electricity from the wind?

a)
b)
c)
d)
103.

Which picture shows hydroelectric power?

a)
b)
c)
d)
104.

Which type of power generation in nonrenewable?

a)
b)
c)
d)
105.

What is the atomic number of Carbon?

a)

12.0107

b)

6

c)

12

106.

What is the atomic mass of Carbon?

a)

12.0107

b)

6

c)

12

107.

How many electrons does this atom of Carbon have?

a)

12.0107

b)

6

c)

12

108.

Choose the material that is a conductor of electricity.

a)
b)
c)
d)
109.

Choose the insulator (the material that will not conduct electricity).

a)
b)
c)
d)
110.

Which picture shows thermal energy?

a)
b)
c)
d)
e)
111.

Which picture shows nuclear energy?

a)
b)
c)
d)
e)
112.

Which picture shows electromagnetic energy?

a)
b)
c)
d)
e)
113.

Which picture shows electrical energy?

a)
b)
c)
d)
e)
114.

Which picture shows chemical energy?

a)
b)
c)
d)
e)
115.

What has the shortest wavelength?

a)

gamma rays

b)

microwaves

c)

visible light

d)

radio waves

116.

What has the longest wavelength?

a)

gamma rays

b)

microwaves

c)

visible light

d)

radio waves

117.

Which rays are the most dangerous?

a)

gamma rays

b)

microwaves

c)

visible light

d)

radio waves

118.

Choose the Cardinal directions? (2 answers)

a)

North

b)

Northeast

c)

Southeast

d)

West

119.

Choose the Intermediate directions? (2 answers)

a)

North

b)

Northeast

c)

Southeast

d)

West

120.

What do we call zero degrees latitude?

a)

The Equator

b)

The Prime Meridian

c)

The Arctic

121.

What do we call zero degrees longitude?

a)

The Equator

b)

The Prime Meridian

c)

The Arctic

122.

What do plants need to do photosynthesis?

(Choose all the correct answers -- 3)

a)

water

b)

sunlight

c)

oxygen

d)

carbon dioxide

123.

What do plants give off when the do photosynthesis?

a)

water

b)

sunlight

c)

oxygen

d)

carbon dioxide

124.

What structure in a plant do the work of photosynthesis?

a)

stoma

b)

guard cells

c)

chloroplasts

d)

phloem