WorksheetsCIE 3-Science- 2.5 + Test 2 revision
Total questions: 35
Worksheet time: 25mins
Materials that we burn are called .............
oil
diesel
fuels
Too much carbon dioxide in the air is making the Earth get warmer. This is called ........................
fuels
global warming
smelting
Heating and melting a metal ore to make pure metal
ore
melting
smelting
What is this object made of?
Plastic
Steel
Gold
Metal
Most plastic is made from _ _ _ which is found in the ground.
(a)
The metal has to be separated from other material in the ore to make (a) . The metal ore is (b) and (c) to separate the metal. This is called (d) '.
Oil is a (a) found underground. The oil is (b) to make useful liquids and gases. The petrol and (c) we burn in cars and (d) are made from oil.
When we burn these materials....................gas is made.
liquid
carbon dioxide
oxygen
...................... change shape easily and take the shape of the container they are in.
Gases
Solids
Liquids
....................... spread out to fill the space
around them.
Solids
Liquids
Gases
...................... stay the same shape unless they are compressed, stretched, twisted or bent.
Solids
Liquids
Gases
A book is in a ________ state.
liquid
gaseous
solid
The air you breathe is in which state?
gas
liquid
solid
Most of the air is the gas called nitrogen.
True
False
Vinegar is a solid.
True
False
Air is a mixture of ………………….. .
gases
solids
liquids
(a) stay the same shape unless they are compressed, stretched, twisted or bent.
(a) change shape easily and take the shape of the container they are in.
(a) spread out to fill the space around them.
When two or more materials are mixed together.
mixture
magnet
equipment
We can use a .... to separate a mixture of sand and pin metals
sieve
filter
funnel
magnet
When a solid dissolves in water, the solid can be seen.
True
False
When the solid has dissolved
we cannot see it but it is still there.
True
False
A solid that dissolves in a liquid.
It is insoluble.
It is soluble.
A solid that does not dissolve in a liquid.
It is soluble.
It is insoluble.
……………….. is insoluble in water.
sugar
salt
sand
……………….. is soluble in water.
sugar
a pebble
chalk powder
A material that you can see through.
It is soluble.
It is transparent.
It is insoluble.
Sugar is (a) in water.
Sand is (a) in water.
What is an example of filtering?
Making coffee
moving rocks around
adding water to a mixture
Complete the diagram.
mixture
funnel
filter paper
solid
Matching
to mix with a liquid and become part of it
Dissolve
that can be dissolved
Ex: salt is in water.
Soluble
that does not dissolve in a liquid
Exx: sand is in water
Insoluble
allowing you to see through it
Transparent
