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WorksheetsMedina P3 Science Summative II
Total questions: 120
Worksheet time: 3hrs 45mins
The following things are matter, except...
pencil
shadow
milk
oxygen
What is the formula of Carbon Dioxide,Oxygen?
C02
02
IC-
H2S
Air is mixture of gases. Most of the air is a gas called?
Hydrogen
Oxygen
Nitrogen
Carbon dioxide
Bicarbonate soda is a?
Gas
Mixture
Which describes a liquid?
It keeps its shape, and has weight.
It takes the shape of its container and has weight.
It has NO weight or shape.
It spread out to fill the space around them
Vinegar
All _______ can move, flow, change shape easily and take the shape of the container
liquids
solids
gases
mixture
A ________ has no shape, no definite size or volume and spreads out to fill space around them
gas
liquid
solid
mixture
The new state of matter from the process is ...
solid
liquid
gas
plasma
The new state of matter from the process is ...
solid
liquid
gas
plasma
the name of process in the figure is ...
melting
evaporation
condensation
solidifying
The new state of matter from the process is ...
gas
plasma
liquid
solid
Solids have...
a definite shape and volume unless they are compressed, twisted or forced.
a definite shape but no definite volume
no definite shape but a definite volume
no definite shape or volume
3/4 of the Earth is covered in Ocean. That means 3/4 of the Earth is....
Solid
Liquid
Gas
Lava
Mixing vinegar and bicarbonate soda makes a .....
Liquid nitrogen
Bubble gas nitrogen
Blurry gas carbon monoxide
Gas carbon dioxide
Hydrogen sulfide gas smells of .........
Chlorine gas is colored .......
Rotten eggs.
Yellow
No smells.
Clear
Old woods.
Green
Fire smoke.
Greyish
Which one of the following techniques would best be used to separate soil and water?
crystallization
distillation
Filtration
Chromatography
The method that can be used for separation of larger solid from smaller or fines one using a sieve
sieving
decanting
filtration
evaporation
What is method that can be used for seperate wheat and sugar?
sieving
evaporation
filtration
decanting
What type of tool is this?
Sieve/Strainer
Filter
Magnet
Settling
Name this tool
Sieve/Strainer
Magnet
Settling
Filter
What is the best method of separation for removing sand from water?
Sifting
Sorting
Evaporation
Magnetic attraction
Filtration
When substances are combined as a mixture, _______________.
they keep their physical properties
their physical properties combine
their physical properties change
they lose some of their physical properties
How to BEST separate pebbles and water?
magnet
hands
tweezer
strainer
magnet
paper filter
strainer
evaporation
Salt can be separated from water by using
tweezers
sieve
magnet
evaporation
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?
The mud reacts with the filter paper.
The particles of mud are too large to pass through the holes in the filter paper.
The particles of the water stop the mud going through.
The particles of water make the filter paper wet.
Which mixture can easily be separated by Hand/Tweezers
What methods have we discussed, that we could use to separate mixtures? Check all that apply, there will be more than one answer.
Handpicking/Tweezers
Sieving or Sifting
Evaporation
Magnetic Separation-
None of the above.
Rock containing large amount of particular mineral is called
Mines
Smelting
Ore
melting of ores is called
Mining
Conserving
Smelting
Melting
Which metal is light in weight.
Bauxite
Aluminium
Iron
_____ is used as a fuel and for generating electricity.
Coal
Natural gas
Petroleum
Most plastic is made from ..................which is found in the ground
rocks
alumunium
oil
fuel
This is an ore called bauxite. It is used to make a metal called.......................
gold
diamond
alumunium
iron
Too much carbon dioxide in the air is making the Earth get warmer. This is called..............
greenhouse effect
global warming
bioglass
Which materials below that are not made but are found on planet Earth or made by Allah.
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...............
burning
diesel
smelting
which of these materials are solid?
petrol
carbon dioxide
metal
oil
Which of these flow charts are incorrect?
iron- hematite- found in the ground
plastic- oil- found in the ground
petrol- wood- tree- grow in the ground
which equipment would you used to separate this mixture?
hand
sieve
magnet
Sofia and Ali are tlking about how to separate a mixture of sugar and hot water. which statement is correct!
The water will go through, but the sugar will stay in the filter
The sugar has dissolved so it will go through the filter together with the water
sugar and water will not go through the filter
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
put the plastic in the ground
use the plastic more often
recycle the plastic
reuse the plastic
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?
Cobalt is a metal used to make batteries
Cobalt ore is mined in a country called the Democratic Republic of Congo
the rocks that used to separate the cobalt ore from the rock.
What happens when fuels are burned? it can cause global warming because .....
it can make carbon dioxide
it can make oxygen
it can make a plastic
it can make carbon monoxide
Which of the following things that are not using fuels?
We can separate the insoluble solids from the liquid by pouring the mixture through a filter. Which one is insoluble solid!
Sugar dissolves in water. Name any other solids that dissolve in water!
flour
sand
salt
brick
Hematite ore is used to make a metal called ________________.
copper
iron
zinc
alumunium
Materials that are not made but are found on planet Earth.
natural
man-made
artificial
scientific
1. A ………………… is a cone-shaped piece of equipment that can be used to support the filter paper.
fuel
filter
funnel
sieve
Gas, oil and petrol are types of ……………………………
filters
fuels
funnels
coals
What material do fuels contain?
carbon dioxide
carbon
iron
gas
The petrol and diesel we burn in cars and lorries are made from ……………..
wood
ore
oil
coal
Light travels
around corners
in a straight line
in the air
in water
If light hits something transparent , it will...
make a shadow
pass through
stop
When the sun gets higher in the sky, shadows get ______.
longer
gone
shorter
darker
1. What is the only form of energy we can see?
prism
light
mirror
Which of the following is a man made source of light?
A book
A car
A torch
A poster
Which of the following objects reflect light?
What does dark mean?
The night
Absence of light
Too much light
The Moon
How is a shadow created?
When an object reflects the light
When an object blocks the light
When an object lets light pass through
When you turn off the light
Tissue paper is _____________ which will let some light pass through it.
Translucent
Transparent
Opaque
Light
Shadows are ______________ at noon.
longest
prettiest
tallest
shortest
Shadows are ____________ at the end of the day.
longest
prettiest
tallest
shortest
Where would the light source be in order to produce this shadow?
It would be behind the woman.
It would be in front of the woman.
It would be directly above the woman.
Why can we see things ?
Because there is no light
Because there is light
Because the light enters our eyes
Because the light does not enter our eyes
Why can't we see things in the dark ?
Because there is no light
Because there is light
Because the light enters our eyes
Because the light does not enter our eyes
What are the condition if we want to make a shadow?
the presence of light
the object blocks the light
there is no light
the light pass through the object
How are the animals that live in the deep sea can see?
Their bodies produce light if they move
The light of the sun can reach the deepest level of the sea
They have fire in their eyes
They can see without any light
Can this kid see?
Why?
No, because there is light enters her eyes
Yes, because there is no light enters her eyes
No, because there is no light enters her eyes
Yes, because there is light enters her eyes
Based on Aiyana's results which two materials are opaque?
wood and frosted glass
cardboard and wood
frosted glass and notebook paper
clear glass and glass of water
A green house protect plants from weather and lets light in. What's the best type of material to make one?
Transparent-allows some light through
Transparent- allows most light through
Translucent-allows most light through
Translucent- allows some light through
Which pictures shows a translucent image?
What type of object is the glass in the glasses considered?
opaque
transparent
translucent
What type of object is a mirror considered?
opaque
transparent
translucent
What type of object is the polarized lens in the sunglasses considered?
opaque
transparent
translucent
A sundial is __________________.
use to tell direction
use to tell where is star
use to tell weather
use to tell time
A _________________ is made when something like a tree or your body, blocks the light from the sun.
rainbow
colours
cotton
shadow
Look at the picture
Is the Sun high or low?
low
high
straight
night
Shadows are _______________ when the sun is low.
long
short
correct
opposite
Which shows the best example of a shadow at about noon?
When the sun gets higher in the sky, shadows get ______.
longer
gone
shorter
darker
When the sun gets lower in the sky, shadows get______.
longer
gone
shorter
darker
Where will the tree's shadow be?
A
B
C
Where will the tree's shadow be?
A
B
C
Which position of the sun will make the longest shadow?
A
B
C
At noon, when the sun is overhead, shadows ______.
get longer
almost disappear
get shorter
What is the main factor that determines the length of a shadow?
Distance and angle between the object and the light source
Time of day
Angle of the light source
Color of the object
What causes the movement of shadows throughout the day?
The changing position of the sun in the sky.
The rotation of the Earth on its axis.
The gravitational pull of the moon.
The movement of clouds in the sky.
Why do shadows change their direction?
Position of the light source
Movement of the object
Weather conditions
Time of day
What happens to the length of a shadow as the object moves closer to the light source?
The length of the shadow remains the same.
The length of the shadow decreases.
The length of the shadow increases.
The length of the shadow becomes unpredictable.
What happens to the length of a shadow as the object moves farther away from the light source?
The length of the shadow decreases.
The length of the shadow remains the same.
The length of the shadow becomes shorter and longer at different times.
The length of the shadow increases.
The shadow of an object can get bigger if . . . .
the light source moves further away from the object
the object moves further away from the light source
the screen moves toward the object
the object moves toward the lamp
Shadows change in . . . . and . . . . throughout the day.
numbers – position
color – position
length – position
color – numbers
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.?
the position of the sun in the sky remained low
the position of the sun in the sky remained high.
the position of the sun in the sky changed from low to high
the position of the sun in the sky changed from high to low
A long shadow indicates what times of day?
morning and night
noon and evening
noon and night
morning and evening
You could make the shadow of the puppets bigger if you....(choose 2 correct answers)
Move the puppet closer to the screen
Move the puppet away from the screen
Move the lamp away from the puppet
Move the lamp closer to the puppet
