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Worksheets

Medina P3 Science Summative II

Total questions: 120

Worksheet time: 3hrs 45mins

Name
Class
Date
1.

The following things are matter, except...

a)

pencil

b)

shadow

c)

milk

d)

oxygen

2.

What is the formula of Carbon Dioxide,Oxygen?

a)

C02

b)

02

c)

IC-

d)

H2S

3.

Air is mixture of gases. Most of the air is a gas called?

a)

Hydrogen

b)

Oxygen

c)

Nitrogen

d)

Carbon dioxide

4.

Bicarbonate soda is a?

a)
Solid
b)
Liquid
c)

Gas

d)

Mixture

5.

Which describes a liquid?

a)

It keeps its shape, and has weight.

b)

It takes the shape of its container and has weight.

c)

It has NO weight or shape.

d)

It spread out to fill the space around them

6.
Which of these is not an example of a gas?
a)
Oxygen
b)

Vinegar

c)
Helium
d)
Carbon Dioxide
7.

All _______ can move, flow, change shape easily and take the shape of the container

a)

liquids

b)

solids

c)

gases

d)

mixture

8.

A ________ has no shape, no definite size or volume and spreads out to fill space around them

a)

gas

b)

liquid

c)

solid

d)

mixture

9.

The new state of matter from the process is ...

a)

solid

b)

liquid

c)

gas

d)

plasma

10.

The new state of matter from the process is ...

a)

solid

b)

liquid

c)

gas

d)

plasma

11.

the name of process in the figure is ...

a)

melting

b)

evaporation

c)

condensation

d)

solidifying

12.

The new state of matter from the process is ...

a)

gas

b)

plasma

c)

liquid

d)

solid

13.

Solids have...

a)

a definite shape and volume unless they are compressed, twisted or forced.

b)

a definite shape but no definite volume

c)

no definite shape but a definite volume

d)

no definite shape or volume

14.

3/4 of the Earth is covered in Ocean. That means 3/4 of the Earth is....

a)

Solid

b)

Liquid

c)

Gas

d)

Lava

15.

Mixing vinegar and bicarbonate soda makes a .....

a)

Liquid nitrogen

b)

Bubble gas nitrogen

c)

Blurry gas carbon monoxide

d)

Gas carbon dioxide

16.

Hydrogen sulfide gas smells of .........

Chlorine gas is colored .......

a)

Rotten eggs.

Yellow

b)

No smells.

Clear

c)

Old woods.

Green

d)

Fire smoke.

Greyish

17.

Which one of the following techniques would best be used to separate soil and water?

a)

crystallization

b)

distillation

c)

Filtration

d)

Chromatography

18.

The method that can be used for separation of larger solid from smaller or fines one using a sieve

a)

sieving

b)

decanting

c)

filtration

d)

evaporation

19.

What is method that can be used for seperate wheat and sugar?

a)

sieving

b)

evaporation

c)

filtration

d)

decanting

20.

What type of tool is this?

a)

Sieve/Strainer

b)

Filter

c)

Magnet

d)

Settling

21.

Name this tool

a)

Sieve/Strainer

b)

Magnet

c)

Settling

d)

Filter

22.

What is the best method of separation for removing sand from water?

a)

Sifting

b)

Sorting

c)

Evaporation

d)

Magnetic attraction

e)

Filtration

23.

When substances are combined as a mixture, _______________.

a)

they keep their physical properties

b)

their physical properties combine

c)

their physical properties change

d)

they lose some of their physical properties

24.

How to BEST separate pebbles and water?

a)

magnet

b)

hands

c)

tweezer

d)

strainer

25.
Which one of the following would you use to separate sand from iron filings?
a)

magnet

b)

paper filter

c)

strainer

d)

evaporation

26.

Salt can be separated from water by using

a)

tweezers

b)

sieve

c)

magnet

d)

evaporation

27.
Two or more substances mingled together, but not chemically combined are known as a
a)
residue
b)
solution
c)
distillate
d)
mixture
28.

Muddy water is filtered using filter paper and filter funnel. The mud stays on the filter paper.


Why does the mud stay on the filter paper?

a)

The mud reacts with the filter paper.

b)

The particles of mud are too large to pass through the holes in the filter paper.

c)

The particles of the water stop the mud going through.

d)

The particles of water make the filter paper wet.

29.

Which mixture can easily be separated by Hand/Tweezers

a)
b)
c)
d)
30.

What methods have we discussed, that we could use to separate mixtures? Check all that apply, there will be more than one answer.

a)

Handpicking/Tweezers

b)

Sieving or Sifting

c)

Evaporation

d)

Magnetic Separation-

e)

None of the above.

31.

Rock containing large amount of particular mineral is called

a)

Mines

b)

Smelting

c)

Ore

32.

melting of ores is called

a)

Mining

b)

Conserving

c)

Smelting

d)

Melting

33.

Which metal is light in weight.

a)

Bauxite

b)

Aluminium

c)

Iron

34.

_____ is used as a fuel and for generating electricity.

a)

Coal

b)

Natural gas

c)

Petroleum

35.

Most plastic is made from ..................which is found in the ground

a)

rocks

b)

alumunium

c)

oil

d)

fuel

36.

This is an ore called bauxite. It is used to make a metal called.......................

a)

gold

b)

diamond

c)

alumunium

d)

iron

37.

Too much carbon dioxide in the air is making the Earth get warmer. This is called..............

a)

greenhouse effect

b)

global warming

c)

bioglass

38.

Which materials below that are not made but are found on planet Earth or made by Allah.

a)
b)
c)
39.

The metal has to be separated from other material in the ore to make pure metal. The metal is heated and melted to separate the metal. This is called...............

a)

burning

b)

diesel

c)

smelting

40.

which of these materials are solid?

a)

petrol

b)

carbon dioxide

c)

metal

d)

oil

41.

Which of these flow charts are incorrect?

a)

iron- hematite- found in the ground

b)

plastic- oil- found in the ground

c)

petrol- wood- tree- grow in the ground

42.

which equipment would you used to separate this mixture?

a)

hand

b)

sieve

c)

magnet

43.

Sofia and Ali are tlking about how to separate a mixture of sugar and hot water. which statement is correct!

a)

The water will go through, but the sugar will stay in the filter

b)

The sugar has dissolved so it will go through the filter together with the water

c)

sugar and water will not go through the filter

44.

The major impact of plastic on the environment is that it takes many years to for them to decompose and it can put the animals in danger.

What can we do to reduce the plastic trash? choose two of the answers

a)

put the plastic in the ground

b)

use the plastic more often

c)

recycle the plastic

d)

reuse the plastic

45.

Cobalt is a metal used to make batteries for mobile phones and electric cars. Cobalt ore is mined in a country called the Democratic Republic of Congo, in Africa. They break the rocks to separate the cobalt ore from the rock.

what kind material is cobalt?

a)

Cobalt is a metal used to make batteries

b)

Cobalt ore is mined in a country called the Democratic Republic of Congo

c)

the rocks that used to separate the cobalt ore from the rock.

46.

What happens when fuels are burned? it can cause global warming because .....

a)

it can make carbon dioxide

b)

it can make oxygen

c)

it can make a plastic

d)

it can make carbon monoxide

47.

Which of the following things that are not using  fuels?

a)
b)
c)
48.

We can separate the insoluble solids from the liquid by pouring the mixture through a filter. Which one is insoluble solid!

a)
b)
c)
49.

Sugar dissolves in water. Name any other solids that dissolve in water!

a)

flour

b)

sand

c)

salt

d)

brick

50.

Hematite ore is used to make a metal called ________________.

a)

copper

b)

iron

c)

zinc

d)

alumunium

51.

Materials that are not made but are found on planet Earth.

a)

natural

b)

man-made

c)

artificial

d)

scientific

52.

1.   A ………………… is a cone-shaped piece of equipment that can be used to support the filter paper.

a)

fuel

b)

filter

c)

funnel

d)

sieve

53.

Gas, oil and petrol are types of ……………………………

a)

filters

b)

fuels

c)

funnels

d)

coals

54.

What material do fuels contain?

a)

carbon dioxide

b)

carbon

c)

iron

d)

gas

55.

The petrol and diesel we burn in cars and lorries are made from ……………..

a)

wood

b)

ore

c)

oil

d)

coal

56.

Light travels

a)

around corners

b)

in a straight line

c)

in the air

d)

in water

57.
Which images are opaque?
a)
A & C
b)
A,C,E, & F
c)
D, E, & F
d)
A & E
58.
Opaque means...
a)
No light passes through it
b)
All light passes through it
c)
Some light passes through it
59.

If light hits something transparent , it will...

a)

make a shadow

b)

pass through

c)

stop

60.

When the sun gets higher in the sky, shadows get ______.

a)

longer

b)

gone

c)

shorter

d)

darker

61.
Which source of light is natural?
a)
firworks
b)
lightbulb
c)
lightning
d)
headlights
62.
What does the moon do?
a)
produces light
b)
reflects the suns light
c)
produces heat
63.
Which will make the darkest shadow? Light shining on a...
a)
sheet of thin tissue paper
b)
glass window  
c)
wooden chopping board  
d)
none of the above
64.

1. What is the only form of energy we can see?

a)

prism

b)

light

c)

mirror

65.

Which of the following is a man made source of light?

a)

A book

b)

A car

c)

A torch

d)

A poster

66.

Which of the following objects reflect light?

a)
b)
c)
d)
67.

What does dark mean?

a)

The night

b)

Absence of light

c)

Too much light

d)

The Moon

68.

How is a shadow created?

a)

When an object reflects the light

b)

When an object blocks the light

c)

When an object lets light pass through

d)

When you turn off the light

69.

Tissue paper is _____________ which will let some light pass through it.

a)

Translucent

b)

Transparent

c)

Opaque

d)

Light

70.

Shadows are ______________ at noon.

a)

longest

b)

prettiest

c)

tallest

d)

shortest

71.

Shadows are ____________ at the end of the day.

a)

longest

b)

prettiest

c)

tallest

d)

shortest

72.

Where would the light source be in order to produce this shadow?

a)

It would be behind the woman.

b)

It would be in front of the woman.

c)

It would be directly above the woman.

73.

Why can we see things ?

a)

Because there is no light

b)

Because there is light

c)

Because the light enters our eyes

d)

Because the light does not enter our eyes

74.

Why can't we see things in the dark ?

a)

Because there is no light

b)

Because there is light

c)

Because the light enters our eyes

d)

Because the light does not enter our eyes

75.

What are the condition if we want to make a shadow?

a)

the presence of light

b)

the object blocks the light

c)

there is no light

d)

the light pass through the object

76.

How are the animals that live in the deep sea can see?

a)

Their bodies produce light if they move

b)

The light of the sun can reach the deepest level of the sea

c)

They have fire in their eyes

d)

They can see without any light

77.

Can this kid see?

Why?

a)

No, because there is light enters her eyes

b)

Yes, because there is no light enters her eyes

c)

No, because there is no light enters her eyes

d)

Yes, because there is light enters her eyes

78.
You are making shadows with a torch and one hand. What could you do to make the shadow bigger?
a)
Use a smaller torch
b)
Move the torch further away from your hand
c)
Move the torch closer to your hand
79.
This type of object lets some light through, but not all. It is not easy to see through this type of material.
a)
transparent
b)
translucent
c)
co-parent
d)
opaque
80.
If an object allows most all light to pass through it then it is...
a)
transparent
b)
opaque 
c)
translucent
d)
cold
81.
A stained glass window is
a)
transparent
b)
translucent
c)
opaque
82.
If you were building a house in Alaska (where it can be daylight for months!), what type of material would be best to cover your windows with that would help keep the Sun out of your room so you can sleep?
a)
transparent material
b)
translucent material
c)
opaque material
d)
glass material
83.
Your grandma has plants in her kitchen. They need lots of light! What type of windows should she have installed that will be best for her indoor garden?
a)
opaque windows
b)
translucent windows
c)
transparent windows
d)
no windows, just walls
84.
While playing hide and seek I was able to find my friend easily because I could see right through the window into the kitchen where she was hiding. That means the window is ________________. 
a)
Opaque
b)
Transparent
c)
Translucent 
85.
Sometimes in the morning, my car windows are fogged up. This allows me to see some of the road, but it is not very clear. This means my window is now ________________________.
a)
transparent
b)
Translucent
c)
Opaque
86.
Mike wants to put a window over his bathtub. Which type of material should he pick to allow light and privacy?
a)
transparent
b)
translucent
c)
opaque
d)
reflective
87.
Which objects on the table are "Opaque"?
a)
Pitcher; Supply Box; Pencil
b)
Book; Pencil; Rock
c)
Pencil; Book; Goggles
88.
Which objects on the table are "Translucent"?
a)
Fish Bowl; Supply Box; Goggles
b)
Pencil; Fish Bowl; Cup
c)
Fish Bowl; Supply Box; Pitcher
89.

Based on Aiyana's results which two materials are opaque?

a)

wood and frosted glass

b)

cardboard and wood

c)

frosted glass and notebook paper

d)

clear glass and glass of water

90.

A green house protect plants from weather and lets light in. What's the best type of material to make one?

a)

Transparent-allows some light through

b)

Transparent- allows most light through

c)

Translucent-allows most light through

d)

Translucent- allows some light through

91.

Which pictures shows a translucent image?

a)
b)
c)
92.

What type of object is the glass in the glasses considered?

a)

opaque

b)

transparent

c)

translucent

93.

What type of object is a mirror considered?

a)

opaque

b)

transparent

c)

translucent

94.

What type of object is the polarized lens in the sunglasses considered?

a)

opaque

b)

transparent

c)

translucent

95.

A sundial is __________________.

a)

use to tell direction

b)

use to tell where is star

c)

use to tell weather

d)

use to tell time

96.

A _________________ is made when something like a tree or your body, blocks the light from the sun.

a)

rainbow

b)

colours

c)

cotton

d)

shadow

97.

Look at the picture

Is the Sun high or low?

a)

low

b)

high

c)

straight

d)

night

98.

Shadows are _______________ when the sun is low.

a)

long

b)

short

c)

correct

d)

opposite

99.

Which shows the best example of a shadow at about noon?

a)
b)
c)
d)
100.

When the sun gets higher in the sky, shadows get ______.

a)

longer

b)

gone

c)

shorter

d)

darker

101.

When the sun gets lower in the sky, shadows get______.

a)

longer

b)

gone

c)

shorter

d)

darker

102.

Where will the tree's shadow be?

a)

A

b)

B

c)

C

103.

Where will the tree's shadow be?

a)

A

b)

B

c)

C

104.

Which position of the sun will make the longest shadow?

a)

A

b)

B

c)

C

105.

At noon, when the sun is overhead, shadows ______.

a)

get longer

b)

almost disappear

c)

get shorter

106.

What is the main factor that determines the length of a shadow?

a)

Distance and angle between the object and the light source

b)

Time of day

c)

Angle of the light source

d)

Color of the object

107.

What causes the movement of shadows throughout the day?

a)

The changing position of the sun in the sky.

b)

The rotation of the Earth on its axis.

c)

The gravitational pull of the moon.

d)

The movement of clouds in the sky.

108.

Why do shadows change their direction?

a)

Position of the light source

b)

Movement of the object

c)

Weather conditions

d)

Time of day

109.

What happens to the length of a shadow as the object moves closer to the light source?

a)

The length of the shadow remains the same.

b)

The length of the shadow decreases.

c)

The length of the shadow increases.

d)

The length of the shadow becomes unpredictable.

110.

What happens to the length of a shadow as the object moves farther away from the light source?

a)

The length of the shadow decreases.

b)

The length of the shadow remains the same.

c)

The length of the shadow becomes shorter and longer at different times.

d)

The length of the shadow increases.

111.

The shadow of an object can get bigger if . . . .

a)

the light source moves further away from the object

b)

the object moves further away from the light source

c)

the screen moves toward the object

d)

the object moves toward the lamp

112.

Shadows change in . . . . and . . . . throughout the day.

a)

numbers – position

b)

color – position

c)

length – position

d)

color – numbers

113.
If an object is placed in an open space, the length and position of the shadow changes from the ________ .
a)
east to the west
b)
west to the east
c)
north to south
d)
south to noth
114.
A shadow is the longest ________ .
a)
at midday
b)
in the morning
c)
in the evening
d)
in the morning and the evening
115.
The sun rises in the ______ and sets in the ________.
a)
East, West
b)
West, East
c)
North, South
d)
East, South
116.
In the early morning, shadows will be pointing in which direction?
a)
North
b)
South
c)
East
d)
West
117.
In the evening, shadows will be pointing in the _______
a)
North
b)
South 
c)
East 
d)
West
118.

A student measures the length of the shadow of a stick in his school garden at three different times

during the day and records the measurements in a table, as shown.


What is the reason for the variations in the lengths of the shadows between 8 a.m. and 12 p.m.?

a)

the position of the sun in the sky remained low

b)

the position of the sun in the sky remained high.

c)

the position of the sun in the sky changed from low to high

d)

the position of the sun in the sky changed from high to low

119.

A long shadow indicates what times of day?

a)

morning and night

b)

noon and evening

c)

noon and night

d)

morning and evening

120.

You could make the shadow of the puppets bigger if you....(choose 2 correct answers)

a)

Move the puppet closer to the screen

b)

Move the puppet away from the screen

c)

Move the lamp away from the puppet

d)

Move the lamp closer to the puppet