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Science year 4

Total questions: 50

Worksheet time: 2hrs 40mins

Name
Class
Date
1.

A ___ is a point where two or more bones meet.

a)

Muscles

b)

Veins

c)

Joint

2.

Muscles are joined to bones through a tissue called ___

a)

Ligament

b)

Muscle joining

c)

Tendo

3.

One of these is not a type of joint.

a)

Immovable joint

b)

Pushable joint

c)

Moveable joint

4.

What is the name of this type of bone

a)

Skull joint

b)

Hinge joint

c)

Hip joint

5.

What is the breathing organ of animal in the picture?

a)

Gills

b)

Lungs

c)

Moist skin

d)

Spiracle

6.

Which animal has same breathing organ with animal in the picture

a)
b)
c)
d)
7.

Why grasshopper can stay alive after it head is put into water?

a)

because it has power

b)

because it can breathe through lungs

c)

because it can breathe through moist skin

d)

because spiracle is located at the abdomen

8.

Fish have organs called _______ that enable oxygen to diffuse into their bodies and carbon dioxide to diffuse out.

a)

tracheal tubes

b)

spiracles

c)

gills

d)

lungs

9.

What products do chickens provide?

a)

milk

b)

cheese

c)

nuggets

d)

eggs

10.

What is this object made of?

a)

Plastic

b)

Cotton

c)

Glass

d)

Metal

11.

Choose the name of this season

a)

Summer

b)

Fall

c)

Spring

d)

Winter

12.

Choose the name of this season

a)

Summer

b)

Fall

c)

Spring

d)

Winter

13.

What recycle means?

a)

Means to use again

b)

Means to change something, to use it again.

c)

Means use less.

14.

What material is this object made from?

(a)  

15.

What material is this spoon made of?

(a)  

16.

What material can be used to make this cloth?

(a)  

17.

Which class of animals that this animal classified under?

a)

Amphibians

b)

Mammals

c)

Reptiles

d)

Birds

18.

Which class of vertebrates nurse and feed their young?

a)
b)
c)
d)
19.

1) Lay eggs

2) Have feathers

3) Warm blooded


Which animals belongs to this group?

a)
b)
c)
d)
20.

An organism parasites depends on for food is called ___

a)

Host

b)

Pests

c)

Parasites

21.

The process of the plants make the food using energy from the sun.

a)

Oxygen

b)

Leaves

c)

Photosynthesis

d)

Chlorophyll

22.

The gas plants release into the air as a result of photosynthesis.

a)

Oxygen

b)

Carbon dioxide

c)

Nitrogen

d)

Hydrogen

23.

A part of the plant that grows in and absorbs water from the soil.

a)

Leaves

b)

Fruits

c)

Roots

d)

Flowers

24.

What is photosynthesis?

a)

The process in which humans eat their food.

b)

When a photographer takes a photo.

c)

To get your pictures from the photo lab.

d)

The process in which plants make their food.

25.

Leaves look green because.....

a)

they eat their vegetables

b)

to blend into their environment

c)

they contain chlorophyll

d)

they are sick

26.

What gas do plants need in order to perform photosynthesis?

a)

oxygen

b)

carbon dioxide

c)

nitrogen

d)

hydrogen

27.

Why do plants need sunlight for photosynthesis?

a)

The light creates heat needed for photosynthesis to occur

b)

The light provides the energy needed to power photosynthesis

c)

Plants can't absorb carbon dioxide in darkness

d)

Plants can't absorb water in darkness

28.

Animals need to breathe in order to live. There are 4 type of breathing organs of animals. Choose the correct answers.

a)

heart

b)

lungs

c)

spiracles

d)

moist skin

e)

gills

29.

Most sea creatures breathe using gills , except ______

a)
b)
c)
d)
e)
30.

Which animal eats plant only?

a)
b)
c)
d)
31.

These animals eat both plant and other animal EXCEPT...

a)

Rabbit

b)

Monkey

c)

Bird

d)

Chicken

32.

Animals that eat plant only are known as...

a)

carnivore

b)

omnivore

c)

herbivore

33.

Animals that eat both plant and other animals are known as...

a)

herbivore

b)

carnivore

c)

omnivore

34.

Choose TWO animals that are omnivores

a)
b)
c)
d)
35.

Animals may change their natural eating habits if there are ______________ changes around them.

a)

environmental

b)

features

c)

growth

36.

Chickens are ______________.

a)

carnivores

b)

omnivores

c)

herbivores

37.

Which animal is not herbivore?

a)
b)
c)
d)
e)
38.

Bears eat fish, insects, plants, seeds and nuts . They are called

a)

Omnivores

b)

Carnivores

c)

Herbivores

d)

Scavenger

39.

which animals use their long sticky tongue to catch their prey

a)

squirell

b)

frog

c)

lizard

d)

dog

40.

___________is an organism that eats animals for energy.

a)

Omnivores

b)

Herbivores

c)

Carnivores

41.
What is the major difference between vertebrates and invertebrates?
a)
Vertebrates are always smaller than invertebrates.
b)
Invertebrates always live in the water.
c)
Vertebrates have a backbone but invertebrates do not.
d)
Vertebrates and invertebrates are the same.
42.
What is a vertebrate?
a)
an animal with a backbone
b)
an animal with out a backbone 
c)
an insect
d)
all living things
43.
Is the picture a vertebrate or invertebrate?
a)
Vertebrate
b)
Invertebrate
44.
What is an invertebrate?
a)
An animal with a backbone
b)
a mammal
c)
An animal without a backbone
d)
birds
45.
All vertebrates have a ____________ .
a)
skeleton
b)
mouth
c)
exoskeleton 
d)
legs
46.
What is another name for a backbone?
a)
back
b)
spine
c)
ribs
47.

Which of the following characteristics does NOT apply to mammals?

a)

give birth

b)

breathe using lungs

c)

have no backbone

d)

have fine hair or fur

48.

This picture shows what type of biome?

a)

rain forest

b)

tundra

c)

desert

d)

deciduous forest

49.

Which pair of sense and organ is CORRECT?

a)

Sense of sight - nose

b)

Sense of hearing - eye

c)

Sense of smell - tongue

d)

Sense of taste - ear

e)

Sense of touch - skin

50.

Label part of the plants : number 2 , 4 and 6

(a)  

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