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Science g4

Total questions: 60

Worksheet time: 23mins

Name
Class
Date
1.

Different ....of plants and animals in habitat form a community

a)

Habitat

b)

Populations

c)

Factor

d)

Pollution

2.

Your ...is made up of bones

a)

Muscle

b)

Skeleton

c)

Blood

d)

System

3.

.....is an object that attracts or pulls magnetic materials towards itself

a)

Magnet

b)

Wood

c)

Wire

d)

Feather

4.
A magnet will pick up a nail, but not a penny because the nail
a)
has rust on it.
b)
is lighter than the penny.
c)
has a sharp point.
d)
contains iron.
5.
The magnet's shown will
a)
not move
b)
attract
c)
repel
d)
all of the above
6.
The magnet's shown will
a)
not move
b)
attract
c)
repel
d)
all of the above
7.
Earth acts like a giant magnet because its center is made up MOSTLY of
a)
granite
b)
limestone
c)
iron
d)
nickel
8.
A living thing, such as a plant, that can make its own food
a)
Producer
b)
Consumer
c)
Herbivore
d)
Carnivore
9.
A living thing that can't make its own food and must eat other living things
a)
Carnivore
b)
Consumer
c)
Herbivore
d)
Producer
10.
An animal that eats only plants or producers
a)
Carnivore
b)
Omnivore
c)
Herbivore
d)
Consumer
11.
An animal that eats only other animals
a)
Carnivore
b)
Omnivore
c)
Consumer
d)
Producer
12.

The Skeletal System and ___ System help our body to move.

a)

Respiratory

b)

Muscular

c)

Digestive

d)

Nervous

13.

A ___ is a group of organisms of the same kind that live together.

a)

Living Things

b)

Population

c)

Habitat

d)

Community

14.

Water and Land Pollution are caused by improper disposal of ___.

a)

money

b)

animals

c)

rubbish

d)

plants

15.

___ is anything that has mass and occupies space.

a)

Volume

b)

Matter

c)

Balance

d)

Mass

16.

When a ___ is placed in containers of different shapes, it takes the shapes of each containers.

a)

Solid

b)

Liquid

c)

Gases

d)

Air

17.

Some changes are ___ which means the material that has undergone changes can return to its original form.

a)

good

b)

bad

c)

permanent

d)

temporary

18.

Some solids turn directly into gases without going through the liquid state. This process is called ___.

a)

melting

b)

freezing

c)

sublimation

d)

permanent

19.

The melting and freezing point of ___ is 0 degrees celsius.

a)

paper

b)

gold

c)

butter

d)

ice

20.

An ___ is the flow of particles carrying electrical energy around the circuit.

a)

electrical appliances

b)

electric current

c)

electricity

d)

electric circuit.

21.

Four components of an electric circuit are battery, wire, lightbulb, and ___.

a)

scissors

b)

switch

c)

remote

d)

laptop

22.

___ is the energy source in the circuit which has positive (+) and negative (-) terminal.

a)

cell

b)

wire

c)

lightbulb

d)

switch

23.

A circuit with a complete path is called as ___ Circuit.

a)

Closed

b)

Opened

c)

Electric

d)

Symbols

24.

What is the shape of the magnet above?

a)

horseshoe magnet

b)

u-shaped magnet

c)

rod magnet

d)

button magnet

25.

___ are made when air or objects vibrate.

a)

Wind

b)

Sounds

c)

Water

d)

Oil

26.

The volume or loudness of sound is measured in ___.

a)

kilograms

b)

grams

c)

decibels

d)

millilitre

27.

Sounds travel the fastest through ___ and slowest through gases.

a)

solids

b)

liquids

c)

ocean

d)

water

28.

___ refers to how high or low a sound is.

a)

sounds

b)

pitch

c)

volume

d)

loudness

29.

One example of wind instrument is ___.

a)

guitar

b)

violin

c)

harp

d)

recorder

30.

Three things we can change if we want to change the pitch of an instrument are ___.

a)

solid, liquid, gases

b)

length, thickness, solid

c)

length, thickness, tension

d)

liquid, thickness, gases

31.

Which material can absorb some of the vibrations to reduce the loudness of a sound?

a)

foam cushions

b)

dining table

c)

plastic cups

d)

helmet

32.

To prevent ear damage, we can wear ___ to block loud noises.

a)

cotton bud

b)

sweater

c)

ear defenders

d)

blanket

33.

what happens if you put the two negative terminals of the cell in a torch together?

a)

the bulb won't light up

b)

the bulb will pop out and burn

c)

the bulb will light up

34.

what do we mean by a 'break' in the circuit?

a)

when the electric current flows

b)

when there cannot be a continuous flow of electricity

c)

when the switch is closed

35.

In this picture, the iron filings show the shape of the magnetic -

a)

pole

b)

core

c)

field

d)

axis

36.

When steam (very hot water vapour in form of gas) is cooled down, its particles are getting close and form _____

a)

water (liquid)

b)

water vapour (gas)

c)

ice (solid)

d)

hot water (gas)

37.

The particles model of liquid is ____

a)
b)
c)
d)
38.

The particles of solid are packed together very tightly. That's why they are ______

a)

easy to spread apart

b)

easy to follow the shape of the container

c)

far apart

d)

difficult to change shape

39.

The melting point of ice is 0 degree Celsius. In 27 degree Celsius, the ice will ____

a)

freeze

b)

melt

c)

boil

d)

stay the same

40.

A. Vinegar is a solid

B. Oxygen is a gas

C. Mercury is a gas

D. Milk is a liquid

Which statements above are correct ?

a)

A and B

b)

B and C

c)

C and D

d)

B and D

41.

In freezing process, the phase change from ____ into ____

a)

liquid, gas

b)

liquid, solid

c)

gas, liquid

d)

gas, solid

42.

What is phase ?

a)

It is a particle

b)

It is a state of matter

c)

It is a type of liquid

d)

It is a type of solid

43.

All matter is made up of ....

a)

Particles

b)

Air

c)

Gas

d)

Phase

44.
What bone is at question "E" ?
a)
Knee Cap 
b)
Leg Bone
c)
Skull
d)
Ribs
45.
What is "C" pointing to and what does it protect?
a)
The Skull and it protects the brain
b)
The Spine and it protects the heart
c)
The Spine and it protects the spinal column.
d)
The lungs and it protects the ribs
46.
Muscles work in pairs
a)
True
b)
False
47.

What are animals with a backbone called?

a)

Invertebrates

b)

Skeletors

c)

Framers

d)

Vertebrates

48.

Which bones protect your heart, lungs, and liver?

a)

skull

b)

ribs

c)

tibia

d)

femur

49.

The three functions of skeleton are ...

a)

it protects tissues, blood cells and provides support

b)

it protects organs, provides support and helps to move

c)

it protects organs, provides support and helps to breath

50.
The direction of the flow of energy in a food web is represented by ___.
a)
Light bulbs
b)
Dotted Lines
c)
Arrows
d)
Bubbles
51.
Energy increases as you move up the food pyramid (from bottom to top).
a)
True 
b)
False
52.
Which of the following is NOT a consumer
a)
grass
b)
dog
c)
shark
d)
fish
53.
A connection of food chains with many food energy paths in an ecosystem is a ____________
a)
ecosystem
b)
food web
c)
environment
54.
What percentage of energy is passed on to each tropic level?
a)
10%
b)
50%
c)
90%
d)
100%
55.

An _______________________ can be used to identify animals.

a)

identification key

b)

environment

56.

Observe the identification key carefully. Animal B is a _________

a)

cat

b)

frog

c)

bird

d)

fish

57.

Observe the identification key carefully. Animal D is a _________

a)

cat

b)

frog

c)

bird

d)

fish

58.
True or False: Matter can changes states by adding heat or cooling.
a)
True
b)
False
59.
What state of matter does this picture show?
a)
Liquid
b)
Gas
c)
Solid
d)
Matter
60.
What are the three stages of the water cycle?
a)
Evaporation, Condensation, Precipitation
b)
Solid, Liquid, Gas
c)
Evaporation, Precipitation, Sleet
d)
Clouds, Water, Precipitation