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P.4 Mock Exam Trimester 2

Total questions: 75

Worksheet time: 48mins

Name
Class
Date
1.

Identify the process.

a)

Freezing

b)

Evaporation

c)

Melting

d)

Condensation

2.

Identify the process.

a)

Melting

b)

Condensation

c)

Freezing

d)

Evaporation

3.

Identify the process.

a)

Melting

b)

Evaporation

c)

Condensation

d)

Freezing

4.

Identify the process.

a)

Melting

b)

Evaporation

c)

Condensation

d)

Freezing

5.

Identify the process.

a)

Melting

b)

Condensation

c)

Freezing

d)

Evaporation

6.

Identify the process.

a)

Melting

b)

Condensation

c)

Freezing

d)

Evaporation

7.

The particles in solids are ___________ packed.

a)

loosely

b)

tightly

c)

very loosely

8.

The particles of liquids are __________ packed.

a)

tightly

b)

loosely

c)

very loosely

9.

The particles of gases are __________ packed.

a)

very loosely

b)

loosely

c)

tightly

10.

When two or more substances mix together completely, they form a (a)   .

11.

Identify the soluble substances.

a)
b)
c)
d)
12.

When two or more liquids do not mix together completely to form a solution, they are called ____________ liquids.

a)

Immiscible

b)

immiscible

13.

State true or false - The heavier liquid floats on the lighter liquid.

a)

true

b)

false

14.

Liquids that mix well and do not form separate layers are called____________________ liquids.

a)

immiscible

b)

miscible

c)

solution

15.

Substances that dissolve in water are called ...................

a)

soluble

b)

insoluble

c)

solution

16.

Substances that do not dissolve in water are called ...................

a)

soluble

b)

insoluble

c)

solution

17.

Two or more substances mixed together to make a new substance is called a

a)

molecule

b)

solution

c)

hybrid

d)

mixture

18.

How do you test to see if something is soluble?

a)

put it in the microwave

b)

take it outside

c)

shake it

d)

put the substance in water

19.

Substances that do not dissolve in water are called ...................

a)

soluble

b)

insoluble

c)

solution

20.

the clearing of forests by cutting or burning trees.

a)

burning fuels

b)

deforestation

c)

soil erosion

21.

when fuels are burnt, carbon dioxide and other harmful gases are released in the air.

a)

Burning fuels

b)

Deforestation

c)

global warmingg

22.

The breakdown of stones, rocks, and minerals over time.

a)

burning fuels

b)

global warming

c)

weathering

23.

When a lot of rain falls at one time in an environment this is called?

a)

flood

b)

fire

c)

drought

d)

building roads

24.

Deforestation causes ______________ ________________, which is the removal of the top layer of soil by wind and water over time.

(a)  

25.

When there is little or no rainfall for a long period of time we call this

a)

flood

b)

hunting

c)

construction

d)

drought

26.

Identify the soluble substances.

a)
b)
c)
d)
27.

When two or more liquids do not mix together completely to form a solution, they are called ____________ liquids.

a)

Immiscible

b)

immiscible

28.

State true or false - The heavier liquid floats on the lighter liquid.

a)

true

b)

false

29.

Substances that dissolve in water are called ...................

a)

soluble

b)

insoluble

c)

solution

30.

Substances that do not dissolve in water are called ...................

a)

soluble

b)

insoluble

c)

solution

31.

How do you test to see if something is soluble?

a)

put it in the microwave

b)

take it outside

c)

shake it

d)

put the substance in water

32.

Two or more substances mixed together to make a new substance is called a

a)

molecule

b)

solution

c)

hybrid

d)

mixture

33.

A ________ has a definite shape and takes up a definite amount of space.

a)

solid

b)

liquid

c)

gas

34.

A ________ has a definite volume, but it does not have a definite shape.

a)

solid

b)

liquid

c)

gas

35.

A ________ has no definite shape or volume.

a)

solid

b)

liquid

c)

gas

36.

Whatever shape the container is, the liquid _______ that shape from the bottom up.

a)

empties

b)

fills

37.

MATTER COMES IN THREE DIFFERENT STATES

a)

Solid, liquid, book

b)

Solid, liquid, gas

c)

Solid, liquid, Water

38.

A TABLE IS MATTER IN STATE

a)

Solid

b)

Liquid

c)

Gas

39.

THE AIR IS MATTER IN STATE:

a)

Solid

b)

Liquid

c)

Gas

40.

THE PENCIL AND THE ROCK ARE MATTER IN STATE..

a)

Solid

b)

Liquid

c)

Gas

41.

THE ORANGE JUICE AND WATER ARE MATTER IN STATE..

a)

Solid

b)

Liquid

c)

Gas

42.

THE VAPOR AND THE AIR ARE MATTER IN STATE..

a)

Solid

b)

Liquid

c)

Gas

43.

Here are some examples of liquids, except ….

a)
b)
c)
d)
44.

Properties are...

a)

Amount of space that something takes up

b)

Characteristics that describe something

c)

Something that has mass and takes up space

45.

Mass

a)

Characteristics that describe something

b)

Amount of space that something takes up

c)

Amount of substance something has

46.

Volume

a)

Something that has mass and takes up space

b)

Amount of space that something takes up

47.

Volume

a)

Something that has mass and takes up space

b)

Amount of space that something takes up

48.

Matter

a)

Something that has mass and takes up space

b)

Characteristics that describe something

49.

the clearing of forests by cutting or burning trees.

a)

burning fuels

b)

deforestation

c)

soil erosion

50.

when fuels are burnt, carbon dioxide and other harmful gases are released in the air.

a)

Burning fuels

b)

Deforestation

c)

global warmingg

51.

The breakdown of stones, rocks, and minerals over time.

a)

burning fuels

b)

global warming

c)

weathering

52.

the loss of the top layer of soil over time

a)

weathering

b)

global warming

c)

soil erosion

53.

a thin layer of gas in the air around the earth

a)

CFCS

b)

Depletion

c)

ozone layer

54.

Deforestation causes ______________ ________________, which is the removal of the top layer of soil by wind and water over time.

(a)  

55.

When a lot of rain falls at one time in an environment this is called?

a)

flood

b)

fire

c)

drought

d)

building roads

56.

The area where we live is

a)

our weather

b)

our environment

c)

our population

d)

our home

57.

When there is little or no rainfall for a long period of time we call this

a)

flood

b)

hunting

c)

construction

d)

drought

58.

A group of living things that lives in an environment is

a)

population

b)

pollution

c)

weathering

d)

hunting

59.

Extreme weather like tornadoes, hurricanes, cyclones, tsunamis are called

a)

human disasters

b)

natrual disasters

c)

human effects

d)

natural changes

60.

Which of these activities is most likely to have a negative impact on Earth's environment?

a)

Planting Trees

b)

Constructing highways

c)

Recycling paper and plastic

d)

None of the above

61.

Humans are part of the ecosystem and therefore impact it. Which of the following events in an ecosystem may produce a negative effect?

a)

Preventing deer from depleting food resources

b)

Restoring a natural habitat

c)

Wildfire rangers minimizing disturbances

d)

A lumber company clearing a forest

62.

There are many large-mouth bass, a type of fish, living in a small lake near Waco, Texas. How would increased fishing in the lake effect the lake ecosystem?

a)

Predators might starve due to loss of food source

b)

Population of bass' prey would decrease

c)

Bass would spend more time swimming near the surface

d)

Water in the lake would decrease due to more fishing in the lake

63.

Too much water in rivers and streams; occurs from an abundance of rain.

a)

Flood

b)

Drought

c)

Erosion

d)

Earthquake

64.

Waste that harms the air, water, or land

a)

Recycle

b)

Environment

c)

Resources

d)

Pollution

65.

Moving water carries rocks and soil from one place to another

a)

Drought

b)

Flood

c)

Earthquake

d)

Erosion

66.

How do humans pollute the environment?

a)

We don't. The earth is perfect!

b)

We don't clean up after ourselves.

c)

We litter.

d)

We could never change the environment.

67.

How can the weather change the environment?

a)

Too much rain-floods

b)

The weather doesn't change the environment.

c)

Severe storms

d)

Too little rain-drought

68.

In what way is this change harmful?

a)

Deforestation leads to loss of habitat and food source for animals

b)

Volcanoes cause injury, loss of lives and damage to property

c)

Global warming will lead to a rise in sea levels and change the world's weather pattern

d)

Earthquakes cause injury, loss of lives and damage to property

69.

What is the meaning of Global warming?

a)

Trees are selected

b)

Cutting and burning trees in mass

c)

The high rise in temperature on the Earth

d)

The sudden movement and shaking on Earth

70.

Deforestation causes _____

a)

earthquakes

b)

volcano eruption

c)

soil erosion

d)

tsunamis

71.

Chlorofluorocarbons (CFCs) are released into the layer of air around the Earth from the use of _____

a)

Styrofoam packaging

b)

trees

c)

tissues

d)

oil

72.

______ are huge waves that move across the ocean and become bigger when they approach the coast

a)

Earthquakes

b)

Tsunamis

c)

Volcanic eruption

d)

Land slides

73.

I should take a shorter shower ______

a)

to reduce the amount of CFCs that are released into air

b)

to help save water

c)

to cut down the waste I produce

d)

to carry my own shopping bag

74.

If I need to use batteries I should _____

a)

save electricity and reduce the amount of fossil fuels that are burnt

b)

carry my own shopping bag

c)

use rechargeable ones so that fewer batteries are thrown away

d)

reduce the amount of CFCs that are released into air

75.

Click the examples of slow environmental changes (3)

a)

tsunami

b)

weathering

c)

global warming

d)

volcano

e)

soil erosion

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