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Science revision

Total questions: 85

Worksheet time: 1hrs 20mins

Name
Class
Date
1.

Which part protects the brain?

a)

skull

b)

jaw

c)

humerus

d)

ribs

2.

Which part protects the lungs?

a)

skull

b)

jaw

c)

humerus

d)

ribs

3.

What part is a join in the arm?

a)

humerus

b)

elbow

c)

ulna

d)

ribs

4.

Carlos heats a solid until it becomes a liquid.

What is the name of the process when a solid becomes a liquid?

a)

melting

b)

freezing

c)

boiling

5.

Carlos lets the liquid cool down. It changes back into a solid.

What is the name of this process?

a)

Melting

b)

Freezing

c)

Boiling

6.

Which material is a solid at room temperature?

a)

milk

b)

gold

c)

carbon dioxide

7.

Which material is a liquid at room temperature?

a)

milk

b)

gold

c)

carbon dioxide

8.

Which material is a gas at room temperature?

a)

milk

b)

gold

c)

carbon dioxide

9.

Yuri boils 20 g of water in a beaker

After 5 minutes there is only 10 g of water left in the beaker. What happened?

a)

Some water melted

b)

Some water evaporated (bay hơi)

c)

Some water froze

10.

A material has a fixed volume and takes the shape of its container. What is it?

a)

Solid

b)

Liquid

c)

Gas

11.

A material that flows easily and does not have a fixed shape. What is it?

a)

Solid

b)

Liquid

c)

Gas

12.

A material does not flow easily and has a fixed shape. What is it?

a)

Solid

b)

Liquid

c)

Gas

13.

Angela heats some ice cubes in a beaker.

When liquid water is heated (đun nóng) in a beaker the temperature (nhiệt độ) of the water........................

a)

increases / gets hotter

b)

decreases/ gets colder

c)

doesn't change

14.

Fill in the blank

When the ice cubes are heated, they ......................................... and make liquid water

a)

melt

b)

freeze

c)

boil

15.

Angela stops heating the water after it has boiled.

When steam is colded it makes ............................................ .

a)

ice cubes

b)

liquid water

c)

steam

16.

What are the functions of a skeleton. Choose all

a)

A skeleton helps our body grow

b)

A skeleton supports the body

c)

A skeleton protects the organs

d)

A skeleton pumps blood

e)

A skeleton helps you think

17.

When your body grows, which parts of the body grow?

a)

the backbone

b)

the skull

c)

All the bones in the skeleton

18.

Tick (✓) one good thing humans do to help the environment

a)

drive cars

b)

cut down trees

c)

use more energy

d)

drop litter ( xả rác)

e)

recycle waste (tái chế rác)

19.

Sand is .................

a)

Solid

b)

Liquid

c)

Gas

20.

Mercury

a)

Solid

b)

Liquid

c)

Gas

21.

Milk

a)

Solid

b)

Liquid

c)

Gas

22.

Oxygen

a)

Solid

b)

Liquid

c)

Gas

23.

wood

a)

Solid

b)

Liquid

c)

Gas

24.

When a liquid is heated it changes into a

a)

gas

b)

liquid

c)

solid

25.

When the a muscle........... it becomes thinner and longer.

a)

relaxes

b)

contracts

26.

When the a muscle........... it becomes bigger and shorter.

a)

relaxes

b)

contracts

27.
This is the layer of Earth that we live on
a)
Inner core
b)
Outer Core
c)
Crust
d)
Mantle
28.

What is our planet?

a)

Mercury

b)

Earth

c)

Mars

29.
What layer is shown by letter A?
a)
Crust
b)
Mantle
c)
Outer core
d)
Inner core
30.
What layer is shown by letter B?
a)
Crust
b)
Mantle
c)
Outer core
d)
Inner core
31.
What layer is shown by letter C?
a)
Crust
b)
Mantle
c)
Outer core
d)
Inner core
32.
What layer is shown by letter D?
a)
Crust
b)
Mantle
c)
Outer core
d)
Inner core
33.
How does temperature change as you move from the crust to the core?
a)
it gets cooler
b)
it gets hotter
c)
it stays the same
d)
the core is frozen
34.
a)

Inner core

b)

crust

c)

mantle

d)

outer core

35.

a)

Inner core

b)

crust

c)

mantle

d)

outer core

36.

a)

Inner core

b)

crust

c)

mantle

d)

outer core

37.

a)

inner core

b)

crust

c)

mantle

d)

outer core

38.

complete the sentence :

the pocket underneath the volcano stores .............

a)

air

b)

lava

c)

magma

d)

water

39.

The liquid rock is called ______

a)

crust

b)

ash

c)

magma

40.

What´s that?

a)

Ash cloud

b)

Lava

c)

Magma

41.

What´s that?

a)

Lava flow

b)

Ash cloud

42.

What´s that?

a)

crater

b)

magma

c)

lava

43.

What´s that?

a)

magma

b)

crater

c)

ash cloud

44.

What´s a volcano?

a)
b)
c)
45.

The whole at the top of the volcano is called

a)

rim

b)

crater

c)

slope

46.

Earthquake is the sudden shaking of Earth.

a)

True

b)

False

47.

The Earth spins one full time in 24 hours, we call this a ________.

a)

night

b)

axis

c)

day

d)

rotation

48.

There is a line through the Earth called the ________.

a)

night

b)

axis

c)

day

d)

rotation

49.

When we face the sun it is _____.

a)

night

b)

axis

c)

day

d)

rotation

50.

When we face away from the sun it is ________.

a)

night

b)

axis

c)

day

d)

rotation

51.

The magma comes out of the ________ and turns into lava.

a)

crater

b)

lava

c)

smoke

d)

volcano

52.

The magma comes out of the crater and turns into ________.

a)

crater

b)

lava

c)

smoke

d)

volcano

53.

There is a big cloud of _______ on top of the volcano

a)

crater

b)

lava

c)

smoke

d)

volcano

54.

which pictures shows shadow?

a)
b)
c)
55.

how shadows is form?

a)

when light is not block by an object

b)

when light travels through a hole

c)

when light is block by an object

56.

we can make shadow using a light from torch?

a)

yes

b)

no

57.

which one is the shadow of the egg?

a)
b)
c)
58.

which statement is TRUE?

a)

we can see shadow in the dark

b)

we can see shadow when there is no light

c)

we can see shadow when there is a light

59.

what is shadow?

a)

light area on the ground?

b)

dark area on the ground

60.
Which light source causes shadows in the outdoor environment? 
a)
The Sun
b)
The Lightbulb
c)
The House
d)
The School
61.

When is a shadow formed?

a)

When the light is turned off

b)

When the path of light is blocked by an object

c)

When an object falls to the floor

d)

When the light it turned on

62.

What does the moon orbit?

a)

Earth

b)

a star

c)

a space rock

d)

a satellite

63.

What is the smallest planet?

a)

Venus

b)

Pluto

c)

Jupiter

d)

Mercury

64.

What is the hottest planet?

a)

Venus

b)

Mercury

c)

Earth

d)

Jupiter

65.
Which planet is closest to the sun?
a)
Earth
b)
Venus
c)
Mercury
d)
Mars
66.
1st planet from the sun 
a)
Mercury 
b)
Venus 
c)
Earth 
d)
Mars
67.
2nd  planet from the sun 
a)
Mercury 
b)
Venus 
c)
Earth 
d)
Mars 
68.
3rd  planet from the sun 
a)
Mercury 
b)
Venus 
c)
Earth 
d)
Mars 
69.
4th planet from the sun 
a)
Mercury 
b)
Venus 
c)
Earth 
d)
Mars
70.
5th planet from the sun 
a)
Jupiter 
b)
Saturn 
c)
Uranus 
d)
Neptune 
71.
6th planet from the sun 
a)
Jupiter
b)
Saturn 
c)
Uranus 
d)
Neptune 
72.
8th  planet from the sun 
a)
Jupiter 
b)
Saturn 
c)
Uranus 
d)
Neptune 
73.

What is at the center of our solar system?

a)

asteroid belt

b)

Earth

c)

sun

d)

moon

74.

How many planets are in our solar system?

a)

6

b)

7

c)

8

d)

9

75.
Which planet is the largest?
a)
Jupiter
b)
Saturn
c)
Uranus
d)
Neptune
76.
The solar system consists of the sun, smaller objects, and ...
a)
8 planets and their moons
b)
6 planets 
c)
only moons
d)
more than 100 stars
77.

What are skeletons made of?

a)

Bones

b)

muscles

c)

hair

d)

blood

78.

What does the skeleton do for the body? (3)

Hide Answers

a)

Support

b)

protects organs

c)

movement

d)

All of them

79.

What TWO animals have bones inside their body

(tick two)

a)

bee

b)

fish

c)

penguin

d)

snail

80.

Name the longest bone in the human body

a)

thigh bone (femur)

b)

hip bone

c)

skull

d)

humerus

81.

Why is the thigh bone the strongest bone in the body?

a)

Because it holds the upper part of the body.

b)

Because it protects the brain.

c)

Because it protects the lungs.

82.

What’s the name of this bone?

a)

rib cage

b)

humerus

c)

vertebrae

d)

skull

83.

Name these muscles

a)

Bicep / Tricep

b)

harmstring/ quad

84.

Which muscle has got longer? (relaxes)

a)

tricep

b)

bicep

85.

What muscle has got shorter?

a)

bicep

b)

tricep

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