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Review Science Unit 3 and 4

Total questions: 50

Worksheet time: 1hrs 15mins

Name
Class
Date
1.

The process by which liquids changes into solids on cooling is called (a)  

2.

All matter is made up of tiny (a)   .

3.

Which process is an example of a chemical reaction?

a)

An iron nail rusting

b)

Bath water cooling while you take a bath

c)

A piece of metal being heated until it expands

d)

A glass window breaking when hit with a baseball

4.

What is the definition of matter?

a)

Anything that has mass and takes up space

b)

A substance that is liquid, solid, or gas

c)

Anything that is pure

d)

Anything that you can see or hold

5.

When ice cream is left out of a freezer, the ice cream changes from a __________ to a __________.

a)

liquid to a solid

b)

gas to a liquid

c)

liquid to a gas

d)

solid to a liquid

6.

The change of state from solid to liquid is called

a)

melting

b)

cooling

c)

gas

d)

smog

7.

What change of state is represented in the picture?

a)

Melting

b)

Boiling

c)

Condensation

d)

Solidifying

8.

Candle wax melting by a match is an example of _____________.

a)

freezing

b)

biological changes

c)

physical process

d)

chemical reaction

9.
A teacher is demonstrating physical and chemical changes to her class. Which action should she use to demonstrate a chemical change?
a)
cutting a piece of paper
b)
folding a piece of paper
c)
tearing a piece of paper
d)
burning a piece of paper
10.

Which of the following is NOT an example of a physical change?

a)

crumpling paper

b)

sharpening a pencil

c)

clothes shrinking

d)

sour milk

11.

Which of the following is NOT an example of chemical change?

a)

sour milk

b)

burning wood

c)

breaking a pencil

d)

rust

12.
Evidence of Chemical Change.
a)
New Substance 
b)
Size change
c)
State change
d)
Mixture 
13.
Evidence of a physical change.
a)
New substance
b)
Shape Change
c)
Light produced
d)
Gas released.
14.

A ... Doesn't change the particles that make up matter.

a)

Physical change

b)

Chemical change

15.

A ... Produce a completely different kinds of matter.

a)

Physical change

b)

Chemical change

16.

Make an origami is an example of ...

a)

Physical change

b)

Chemical change

17.

Burning a block of wood is an example of ....

a)

Physical change

b)

Chemical change

18.

When ice cube is melting there is a ....

a)

Physical change

b)

Chemical change

19.

Make some popcorn is an example of ....

a)

Physical change

b)

Chemical change

20.

Rusty nails is an example of ....

a)

Physical change

b)

Chemical change

21.

Torn up paper is an example of ....

a)

Physical change

b)

Chemical change

22.

What kind of habitats is shown in the picture . . . .

a)

squirrel and crab

b)

fern and birds

c)

fish and coral

d)

snail and spider

23.

A swamp is home to many animals. Which of the following animals is best suited for a swamp habitat . . . .

a)
b)
c)
d)
24.

what happens if our environment is like the image above . . . .

a)

humans, plants, and animals will die

b)

plants have more room to grow

c)

the animal grows thrives

d)

human migrate in search of gold

25.

The habitat provides the living thing with what it needs to . . . .

a)

a place to store kitchen equipment

b)

get together and fight

c)

survive and such as food

d)

just a place for meetings

26.

Pay attention to the statement below!

1. Sea eagle, crab, sea anemone, shellfish, and coconut tree

2. butterfly, birds’net fern, pigeon, and squirrel

3. tree crab, crocodile, mudskipper, egret, and mud lobster

4. fish, coral, whales, dolphins and sharks

Living beings whose place of residence in the seashore is shown a statement of numbers . . . .

a)

four

b)

one

c)

two

d)

three

27.

Pay attention to the statement below!

1. Sea eagle, crab, sea anemone, shellfish, and coconut tree

2. butterfly, birds’net fern, pigeon, and squirrel

3. tree crab, crocodile, mudskipper, egret, and mud lobster

4. fish, coral, whales, dolphins and sharks

Living things according to statement number three occupy habitats . . . .

a)

seahore

b)

garden

c)

mangrove swamp

d)

tree

28.

Name the habitat . . . .

a)

polar region

b)

forest

c)

jungle

d)

desert

29.

What animal live in the garden . . . .

a)
b)
c)
d)
30.

where is the habitat of the living creatures above . . . .

a)

Ocean

b)

Jungle

c)

Polar region

d)

Desert

31.

The animal habitats above is . . . .

a)

Ocean

b)

Desert

c)

garden

d)

artic

32.

Which 3 animals live in the grass lands?

a)

Snakes

b)

Bison

c)

Zebras

d)

Bear

e)

Otter

33.

Which 2 pictures are grasslands?

a)
b)
c)
d)
34.

There are many herbivores that live in the grasslands.

a)

True

b)

False

35.

Which animal does NOT live in the ocean?

a)

Octopus

b)

Narwhal

c)

Crab

d)

Monkey

36.

How do animals breathe underwater?

a)

With their gills

b)

With their fins

c)

No animals can breathe underwater

37.

Some animals breathe underwater.

a)

True

b)

False

38.

Some animals can change their ... over time to blend into a different environment.

(a)  

39.

Some animals move to a different ... when their habitat changes.

(a)  

40.

Plants and animals can change their behaviour to help them to ... in a different environment.

(a)  

41.

Harp seals and snowy owls are suited to live in habitats with low (a)  

42.

Arctic hares can change the colour of their fur with different seasons.

How does this help them survive in their environment?

4 lines
43.

Samad is learning how plants and animals are suited to their habitats.

His notes are shown below.

Choose two correct statements.

a)

all plants are suited to survive in all habitats

b)

fish are suited to live in an aquatic habitat

c)

plants and animals can change their structure over time to suit their new environment

d)

plants and animals cannot survive in habitats other than their own habitat

44.

Giraffes have a long neck to help them reach the leaves of trees.

True or False?

a)

True

b)

False

45.

What do animals need to survive in their habitat?

Choose more than one correct answer.

a)

clothes

b)

food

c)

shelter

d)

water

46.

The incorrect ways of animals that surviving in their habitat is ....

a)

some animals move to a different environment

b)

some animals change colour over time to blend

c)

some animals change their behaviour to survive

d)

some animals change their names to survive

47.

A ... is a place where plants and animals live.

(a)  

48.

Squirrels in the desert are active the whole year. But squirrels in cold habitats go into a long deep sleep during winter. Some animals can change their … to survive in different environment.

(a)  

49.

Some animals change colours over time to help them ….

a)

blend into their new environment

b)

move to a different habitat

c)

found more food and water

d)

doing a long deep sleep during winter

50.

When a solid gains heat, it change into (a)   state.