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Worksheets

Y4SC C1-4 QUIZ

Total questions: 175

Worksheet time: 3hrs 26mins

Name
Class
Date
1.

I am at the top of the body. Brain is inside of me.

What am I?

a)

knee

b)

hair

c)

head

d)

arm

2.

You cannot bend me. I am connected to the shoulder bone. What am I?

a)

finger

b)

arm

c)

hand

d)

neck

3.

You use us to pick up things. You also can make a fist out of us. What are we?

a)

toes

b)

hand

c)

legs

d)

fingers

4.
This is a picture of what? (choose the answer that is most complete)
a)
robot
b)
skeleton
c)
ulna
d)
vertebrate
5.
Your skeletal system is in charge of making your blood and giving you shape.
a)
True
b)
False
6.

The ribs protect your...

a)

heart

b)

neck

c)

liver

d)

head

7.
What are the three main functions of your skeleton?
a)
Movement, Protection and Balance
b)
Movement, Protection and Support
c)
Protection, Coordination and  Balance
d)
Hop, Skip and Jump
8.

What bone is this?

a)

knee

b)

thigh

c)

toe

d)

leg

9.

Name the bone in red.

a)

shoulder bone

b)

neck bone

c)

arm bone

d)

leg bone

10.

Name the bone in red

a)

Cranium

b)

Skull

c)

Neck bone

d)

Rib cage

11.

The other name of knee bone.

a)

knee

b)

cap

c)

kneecap

d)

lesg

12.
a)

pelvis

b)

knee bone

c)

rib cage

d)

bird cage

13.
We have different sized bones because ____.
a)
We need them for different tasks.
b)
They couldn't all fit.
c)
We're a giant puzzle.
d)
I don't know.
14.
True or False: Milk is a good source of calcium.
a)
True
b)
False
15.
Which of these is NOT a way bones help our body?
a)
Support
b)
Protect
c)
Heat
d)
Movement
16.

Which of these is a long bone?

a)

thigh bone

b)

skull

c)

shoulder bone

d)

toe bones

17.

Bones of the wrist could be classified as

a)

short bones

b)

long bones

c)

irregular bones

d)

flat bones

18.

Which mineral does the skeleton store?

a)

vitamin D

b)

calcium

c)

red blood cells

d)

white blood cells

19.
a)

back bone

b)

rib cage

c)

hip bone

d)

thigh bone

20.
The _____ protects the brain, inner ears, and eyes.
a)
brain
b)
skull
c)
bones
d)
ribs
21.

What is the function of skull?

a)

It helps us to think.

b)

It helps to protect our brain.

c)

It helps us to move.

22.

What is the skeleton part shown in the picture?

a)

feet

b)

arm

c)

leg

23.

How many bones are found in our human skeletal system?

a)

260

b)

206

c)

200

24.

What are the functions of skeleton?

a)

movement

b)

protection

c)

support

d)

guidance

25.

What are skeleton consists of?

a)

skin

b)

cartilages

c)

bones

d)

organ

26.

What is a cartilage?

a)

hard bone

b)

soft bone

27.

What is the function of ribcage?

a)

To help us to move.

b)

To give support for our organs such as lungs and heart.

c)

To help us to bend easily.

28.

What is the movement of the skeleton shown in the picture?

a)

swimming

b)

running

c)

dancing

29.
How many bones are there in the human body?
a)
106
b)
406
c)
260
d)
206
30.
The _____ protects the brain, inner ears, and eyes.
a)
brain
b)
skull
c)
bones
d)
ribs
31.

Which part of the skeleton protects the heart and lungs?

a)

Ribs

b)

Backbone

c)

Skull

d)

Chest

32.

What happens to your skeleton as your grow?

a)

It grows

b)

It stays the same size

c)

It gets smaller

33.

An animal without a backbone is called a ...

a)

Invertebrate

b)

Vertebrate

c)

Spine

d)

Backbone

34.

We need a skeleton

a)

so we can move

b)

for support

c)

for protection

d)

All of the answers

35.

What is this bone called?

a)

Spine

b)

Backbone

c)

Hip Bone

36.

Which letter shows the shin bone?

a)

A

b)

B

c)

C

d)

D

37.

Name this bone

a)

collar bone

b)

shoulder blade

c)

rib cage

38.

Name this bone

a)

upper arm bone

b)

lower arm bone

c)

shin bone

39.

Name this bone

a)

thigh bone

b)

shin bone

c)

Joint

40.
a)
Snake
b)
Pelvis
c)
Spine
d)
Femur
41.

What bone is highlighted?

a)

shoulder blade

b)

collar bone

c)

rib cage

42.
What is our skeleton made up of?
a)
Bones
b)
Intestines
c)
Lungs
d)
Heart
43.
What mineral are bones made of?
a)
Vitamin C
b)
Calcium
c)
Zinc
d)
Vitamin B
44.

Which of these are short bones

a)

finger bones

b)

toe bones

c)

hip bone

d)

skull

45.

What is a single bone in the spine called?

(a)  

46.

Name the largest bone in the body

(a)  

47.

The skull is made of 1 bone

a)

True

b)

False

48.

Name the smallest bone found in human body

(a)  

49.

Why are decomposers important?

a)

They break down dead animals and replace nutrients in the soil.

b)

They provide energy to consumers.

c)

They make their own food.

d)

They keep the sun burning.

50.

You ate steak and salad for dinner last night.

What does that make you?

a)

a herbivore

b)

a carnivore

c)

an omnivore

d)

a producer

51.

Which of the following is an example of a predator & prey relationship?

a)

a frog eats a housefly

b)

a person eats an orange

c)

a frog eats a deer

d)

a rabbit eats grass

52.

Prey is an animal that __________.

a)

is killed and eaten by other animals

b)

kills other animals

c)

only eats plants

d)

is not in a food chain

53.

Which animal in this food chain is an herbivore and eats only plants?

a)

wolf

b)

hedgehog

c)

fox

d)

grasshopper

54.

An animal that hunts other animals for food is a ___________

a)

herbivore

b)

predator

c)

prey

d)

energy

55.

Which of the following is NOT a consumer

a)

grass

b)

dog

c)

shark

d)

fish

56.

An animal that eats other animals is a __________.

a)
carnivore
b)
omnivore
c)
herbivore
d)
decomposer
57.

An animal that eats only plants is an __________.

a)
carnivore
b)
omnivore
c)
herbivore
d)
decomposer
58.

Living things that can make their own food are called ________.

a)

consumers

b)

herbivores

c)

producers

d)

carnivore

59.

What is the original source of all energy in a food chain?

a)

plants

b)

sun

c)

producers

d)

decomposers

60.

The arrows in a food chain show the flow of __________.

a)

eating

b)

sunlight

c)

energy

d)

time

61.

Which one is the producer?

a)

lettuce

b)

greenfly

c)

ladybird

d)

thrush

62.

An organism that gets energy from eating other organisms is a ______________

a)

producer

b)

consumer

c)

decomposer

63.
What are the organisms that break down dead stuff?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Organisms
64.

Which of these organisms would RECEIVE energy from the snake?

a)
Plant
b)
Rabbit
c)
Mouse
d)
Hawk
65.
Producers get their energy from the ______.
a)
water
b)
Sun
c)
eating animals
d)
eating plants
66.
What is a producer?
a)
an organism that gets energy from eating other organisms
b)

an organism that uses sunlight to make its own food

c)

an organism that gets energy from eating dead organisms

67.

All the living and nonliving things in a place are called a(n) __________.

a)

herbivore

b)

ecosystem

c)

Earth

d)

universe

68.
Which best describes what a food chain shows you?
a)
Energy flow through an ecosystem
b)
Food flowing through an ecosystem
c)
Consumers going into other consumers
d)
Who eats who
69.
What are plants called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Scavengers
70.
What are animals called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Plants
71.
What are the organisms that break down dead stuff?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Organisms
72.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
73.
What is the role of a producer?
a)
Use sunlight to make food
b)
Gain energy from eating other organisms
c)
Keep other species from overpopulating
d)
Breaking down dead stuff 
74.
What's the role of consumers in a food chain?
a)
Use sunlight to make food 
b)
Eat other species and keep them from overpopulating
c)
Break down dead stuff
d)
Add nutrients to the soil
75.
What is the role of decomposers in a food chain?
a)
Use sunlight to make food
b)
Eat other organisms to gain energy
c)
Make the food for the whole food chain
d)
Break down dead organisms and add nutrients to the soil
76.
Which of these organisms would receive energy from the snake?
a)
Plant
b)
Rabbit
c)
Mouse
d)
Hawk
77.
Which type of consumer eats plants only?
a)
Herbivores
b)
Omnivores
c)
Carnivores
d)
Scavengers
78.
Which type of consumer eats meat only?
a)
Producers
b)
Herbivores
c)
Carnivores
d)
Omnivores
79.
Which type of consumer eats meat and plants?
a)
Herbivores
b)
Carnivores
c)
Omnivores
d)
Plants
80.
Which type of consumer is always a first consumer?
a)
Herbivore
b)
Omnivore
c)
Carnivore
d)
Producer
81.
Which type of consumer could be a first or second consumer?
a)
Herbivore
b)
Omnivore
c)
Carnivore
d)
Producer
82.
Which is the correct food chain order?
a)
Plant-->1st Consumer--> 2nd Consumer 
b)
Plant <-- 1st Consumer <-- 2nd Consumer
c)
2nd consumer     --> 1st consumer  --> Plant
d)
1st Consumer      --> 2nd consumer --> Plant
83.
Which of the following is a producer?
a)
Maple tree
b)
Sunfish
c)
Bunny
d)
Bear
84.
Which of these is a decomposer?
a)
Fungi
b)
Hawk
c)
Dog
d)
Grass
85.
True/False
Food webs show you everything an animal eats. Food chains show you one thing.
a)
True
b)
False
86.
Which of these is true about this food web?
a)
The Owl gets its energy from the producer.
b)
The Lion gets its energy only from a wild cat.
c)
The Kite gets its energy from the goat.
d)
The Mouse is most likely to die, several ways.
87.

What PRODUCER does every food chain START WITH?

a)

Water

b)

The sun

c)

Bugs

d)

Animals

88.

Due to the fact that plants can make their own food using photosynthesis, what are plants considered in food chains?

a)

omnivores

b)

consumbers

c)

producers

d)

carnivores

89.

What would a rabbit be considered in a food chain if it ONLY EATS PLANTS?

a)

herbivore

b)

omnivore

c)

carnivore

d)

producer

90.

What would a lion be considered in a food chain if they ONLY EAT MEAT?

a)

producer

b)

herbivore

c)

carnivore

d)

omnivore

91.

What would a human that eats BOTH PLANTS AND ANIMALS be considered in a food chain?

a)

herbivore

b)

carnivore

c)

producer

d)

omnivore

92.

What is the process called when a plant uses the sun to make its own food (glucose)?

a)

photosynthesis

b)

respiration

c)

transpiration

93.

What is the process called when a plant takes in water through their roots and then it comes out of the leaves in the form of water vapor?

a)

photosynthesis

b)

respiration

c)

transpiration

94.

What is given off into the air during the process of photosynthesis?

a)

clean nitrogen

b)

clean carbon dioxide

c)

clean oxygen

d)

clean helium

95.

In a food chain, what breaks down dead material and helps turn it into nutrients in the soil?

a)

producers

b)

decomposers

c)

animals

d)

water

96.

What is the MOST COMMON type of DECOMPOSER?

a)

mushrooms

b)

lions

c)

ants

d)

hawks

97.

Which choice below shows the correct order of a food chain?

a)

sun -> rabbit -> tomato plant -. decomposer -> hawk

b)

tomato plant -> decomposer -> sun -> rabbit -> hawk

c)

sun -> tomato plant -> rabbit -> hawk -> decomposer

98.

Particles in ........ are very close together

a)

a jar

b)

Liquid

c)

Solid

d)

Gas

99.

Particles in ...... can slide past each other

a)

A jar

b)

Liquid

c)

Solid

d)

Gas

100.

Particles in liquid can change shape easily. TRUE or FALSE?

a)

TRUE

b)

FALSE

101.

Particles in ..... are packed closely together

a)

A jar

b)

Liquid

c)

Solid

d)

Gas

102.

The shape of solid particles are ....

a)

following the shape of the container

b)

do not have any shape

c)

fix shape

103.

Particles in solid cannot change ..... easily

a)

position

b)

Frequency

c)

colour

104.

Sand is a ....

a)

Solid

b)

Liquid

c)

Gas

d)

all of them

105.

Ice cube is a ....

a)

solid

b)

liquid

c)

gas

d)

all of them

106.

Salt is a .....

a)

Solid

b)

Liquid

c)

Gas

d)

All of them

107.

when is sand able to behave like a liquid?

a)

when you dissolve the sand in the water

b)

When you burn the sand

c)

when you have a lot of sand

108.

Particles of .... can not move freely

a)

Solid

b)

Liquid

c)

Gas

d)

All of them

109.

why liquid, such as water, can flow?

a)

because the particles are very tiny

b)

because the particles are slippery

c)

because the particles are packed closely together

d)

because the particles can slide past one another

110.

how do you know that sand can behave like a liquid?

a)

because it's watery

b)

because it's transparent like a water

c)

because sand is very light like a water

d)

because the sand can be poured and can flow if you have many if them

111.

why solid can have a fix shape?

a)

because it's very hard and strong

b)

because it's waterproof

c)

because the particles do not move very much

d)

because solid need to be burned

112.

the particles in .... have small spaces between them

a)

Solid

b)

Liquid

c)

Gas

113.

All substances are made of ....

a)

dust

b)

substance

c)

particles

114.

Which material is liquid?

a)

ice

b)

milk

c)

oxygen

d)

sponge

115.

Which material is gas?

a)

ice

b)

milk

c)

oxygen

d)

sponge

116.

Which one is NOT the properties of liquid?

a)

can flow

b)

spreads out when it spills

c)

keeps its shape

d)

takes the shape of the container

117.

Two or more materials are combined together physically is called ...

a)
mixture
b)
compound
c)
solution
d)
element
118.

Which one is the WRONG method to separate mixture?

a)

rice grain and iron clips by using a magnet

b)

flour and pasta by shieving

c)

popcorn and chocolate balls by hand

d)

sand and iron fillings by filtering

119.

Lopez choose to separate the mixture of marbles and wooden dice by hand because ...

a)

the dice are attracted to magnet

b)

the marbles and dice are very small

c)

the marbles and dice are big enough to be held by hand

d)

the marbles and dice are soft and feel good to be held by hand

120.

A and B are mixture of two solid.
Erwin is using a sieve to separate them, what are the most possible solids A and B?

a)

flour and pebbles

b)

green grapes and red grapes

c)

sand and iron fillings

121.

What is the best separation method to separate rice in the water?

a)

filtering

b)

sieving

c)

by hand

d)

by magnet

122.

What is the best separation method to sand in the water?

a)

filtering

b)

sieving

c)

by hand

d)

by magnet

123.

Which one is soluble solid is

a)

sand

b)

rice

c)

salt

d)

oil

124.

Which one is the example soluble solid?

a)

sand

b)

rice

c)

salt

d)

oil

125.

While preparing chapatis, Priti found that the flour to be used was mixed with wheat grains. Which out of the following is the most suitable method to separate the grains from the flour?

a)

Threshing

b)

Sieving

c)

Winnowing

d)

Filtration

126.

What separation technique does the picture show?

a)

Sieving

b)

filtering

c)

magnetic separation

d)

Distillation

127.

A student collects seashells at the beach when they werre on a picnic. Teacher will not allow the student to take any sand on the bus. If the student wishes to take the seashells home he must separate the seashells from the sand. Which of the following would be most helpful when trying to separate the sand from the sea shells?

a)

hot plate

b)

water

c)

sieve

d)

magnet

128.

A group of students in Eco club collected empty cans for recycling. They have several large bins with aluminum and steel cans, all mixed together. The two types of cans must be separated. Which of the following techniques could the students use to separate the two types of cans?

a)

Place the cans in water, and the aluminum cans will float

b)

Crush the cans to make them easier to carry

c)

Test the cans for their ability to conduct electricity

d)

Use a magnet to find and remove the steel cans

129.
A combination of 2 or more ingredients where each keep their own physical properties and can be easily separated.
a)
solution
b)
dissolve
c)
mixture
d)
saltwater
130.
You have the following solids in a lab: salt, sand, lemonade powder, and pepper.  Which solids will dissolve in water to create a solution?
a)
pepper, sand, and salt
b)
salt, lemonade powder, and sand
c)
salt and lemonade powder
d)
pepper and sand
131.
What tool can you use to separate a mixture of rocks and sand the fastest? 
a)
sieve
b)
tweezers
c)
magnet
d)
hands
132.

A student is pouring milk on his cereal.


Which of the following best explains what he is making?

a)

He is making a mixture because the properties change.

b)

He is making a solution because he is pouring a liquid.

c)

He is making a mixture because the substances can be separated.

d)

He is making a solution because the substances can be separated.

133.

separates mixtures made of solid components large enough to pick out

a)

MAGNETIC SEPARATION

b)

MANUAL PICKING

c)

DECANTATION

d)

SIEVING

e)

FILTERING

134.
Which one of the following solids is insoluble (not soluble) in water?
a)
sugar
b)
sand
c)
copper sulfate
d)
salt
135.

What is gravitational pull on Earth?

a)

A force that pulled objects around us towards the centre of Earth

b)

A force that pushes objects around us towards the centre of Earth

c)

A force that pulled objects around us towards the bottom of Earth

136.

Which of the following is NOT the effects of the rotation of Earth?

a)

Occurrence of day and night

b)

The objects remain in their position

c)

Changes in length and direction of the shadow

d)

The Sun seems to change its position

137.

What will happen if Earth has no gravitational pull?

a)

All objects will not float in the air

b)

All objects will remain in its position

c)

All objects will float in the air

d)

All objects will fall downward

138.

Which of the following statement is TRUE about a gravitational pull on the earth?


K - Gravitational pull cause all the objects stay at their positions


L- Objects on Earth will float in the air if there is no gravitational pull.


M- Light objects are not affected by the gravitational pull.

a)

K only

b)

L only

c)

K and L

d)

L and M

139.

The earth rotates on its axis from _________.

a)

West to East

b)

East to West

c)

North to South

d)

South to North

140.

The rotation of Earth on its axis causes ________ .

a)

the occurrence of the phases of the moon

b)

the occurrence of day and night

c)

the occurrence of 4 seasons

d)

the occurrence of the eclipse of the moon

141.

Which picture shows the shadow of a pole at noon?

a)
b)
c)
142.

Where will the tree's shadow be?

a)

A

b)

B

c)

C

143.

What is the duration for one complete rotation of Earth ?

a)

1 day

b)

1 year

c)

365 1/4 days

144.

What can you observe on the part of the Earth that facing the Sun?

a)

Bright

b)

Dark

145.

When a durian is ripe, it will fall to the ground.


Which of the following statements explains the situations above?

a)

The branches of durian tree had decayed.

b)

The stem of the durian tree was bitten off by ants.

c)

Earth's gravity pulls objects towards Earth.

d)

A monkey is climbing up the durian tree.

146.

Which of the following phenomena does NOT show the Earth's gravity force?

a)

Living things are able to stand and move stably.

b)

Waterfall flows from a higher to a lower area.

c)

Ripe fruits fall down to the Earth.

d)

A monkey is climbing up the tree.

147.

Diagram 1 shows the changes in the shape of a tree's shadows in a day.

a)

Time X Time Y

12:00 Midnight 5:00 morning

b)

Time X Time Y

12:00 Midnight 5:00 evening

c)

Time X Time Y

12:00 noon 5:00 morning

d)

Time X Time Y

12:00 noon 5:00 evening

148.

Diagram 2 shows Earth's revolution around the Sun.

Which of the following is true about the revolution?

a)

Rotates on its axis

b)

A complete revolution take 24 hours

c)

Causes the occurrence of day and night.

d)

Take one year to complete a revolution around the Sun.

149.

Diagram 3 shows Earth's rotation.

The rotation above will cause a phenomena P to happen. Predict phenomenon P.

a)

Occurrence of day and night.

b)

Four seasons in a year.

c)

Lunar eclipse

d)

Solar eclipse

150.

The rotation of the Earth on its axis causes the change in the length and position of a shadow.

Which of the following shows the correct sequence?

a)
b)
c)
d)
151.

Diagram 1 shows the position of the shadow of a lamp post at 8 a.m.

Why is the shadow formed on the West?

a)

Light travels in a straight line.

b)

The Sun rises from the East.

c)

The lamp post is an opaque object.

d)

The Sun sets on the West.

152.

Diagram 2 shows the shadow of a pole that is formed at different times of the day.

Which of the following is the correct sequence of the formation of the shadow from morning to evening?

a)

P, Q, R, S

b)

R, Q, P, S

c)

R,P, Q, S

d)

S, P, Q, R

153.

Diagram 3 shows several phenomena.

Which of the following phenomena show the rotation of the Earth on its axis?

a)

N and O

b)

M and N

c)

M and O

d)

L and O

154.

The Sun appears to be in the East in the morning and in the West in the afternoon.

What is your inference?

a)

The Earth is spherical in shape.

b)

The Earth rotates on its axis.

c)

The Earth has its orbit

d)

The Earth revolves around the Sun.

155.

What is the force pull towards centre of earth?

a)

Gravity

b)

Human

c)

Astronaut

d)

ball

156.

Without gravity, what will happen to the human?

a)

flying

b)

cooking

c)

reading

157.

The EARTH REVOLVES around the:

a)

Sun

b)

Moon

c)

Mercury

158.
What is the name of the imaginary line running through the North Pole to the South Pole?
a)
orbit
b)
axis
c)
equator
d)
latitude
159.

At the same time, the Earth is rotating on its axis AND revolving around the sun.

a)

True

b)

False

160.

How long does it take the Earth to complete one rotation on its axis?

a)

24 hour

b)

1 month

c)

1 year

161.

It is ______ on the side of the Earth facing the Sun.

a)

night

b)

day

c)

summer

d)

winter

162.

One complete revolution of Earth around the Sun takes ______

a)

10 days

b)

24 hours

c)

365 days

163.

The Earth revolve around the Sun in ______________ direction

a)

clockwise

b)

anti - clockwise

164.

Earth does a complete revolution every _______

a)

10 years

b)

12 hours

c)

24 hours

d)

365 days

165.

The Earth's movement (revolution) around the sun causes _________

a)

heating

b)

seasons

c)

atmosphere

d)

years

166.

What causes day and night cycles?

a)

mars

b)

seasons

c)

Earth's rotation

d)

moon phases

167.
In what direction does the Sun appear to rise every morning?
a)
North
b)
East
c)
West
d)
South
168.

When do shadows appear to be the longest length?

a)

Early afternoon

b)

At night

c)

At sunrise or sunset

169.

In which direction does the Sun set?

a)

North

b)

South

c)

East

d)

West

170.

The reason that the Sun appears to rise in the East and set in the West.

a)

Sun revolving around the Earth

b)

Sun rotating on its axis

c)

Earth revolving around the Sun

d)

Earth rotating on its axis

171.
_________________________ is hot, molten, or melted rock which reaches the surface of the Earth.
a)
magma
b)
lava
c)
volcano
d)
earthquake
172.
The arrow is pointing to...
a)
an ash cloud
b)
lava
c)
magma
d)
a vent
173.
The arrow is pointing to...
a)
an ash cloud
b)
lava
c)
magma
d)
a vent
174.
The arrow is pointing to...
a)
an ash cloud
b)
lava
c)
magma
d)
a vent
175.
The arrow is pointing to...
a)
an ash cloud
b)
lava
c)
magma
d)
a vent