WorksheetsSCIENCE 5 - MATTER
Total questions: 10
Worksheet time: 5mins
Ash is a new substance formed when ______.
pyrite comes into contact with acid.
food is digested.
food is digested.
wood is burned.
Why are metals very useful?
They can be broken
They can be thrown easily
They can be decomposed easily
They can be bent without breaking
Which of the following is NOT a phase change?
Condensation
Corrosion
Deposition
Evaporation
Gold can be shaped into rings? Property does the gold have?
Brittleness
Elasticity
Hardness
Malleability
Steel is a strong material used in buildings. Why?
Steel is elastic
Steel is flexible
Steel is breakable
Steel is hard
Some moth balls were placed inside a cabinet . After a week, what phase change took place in this situation?
Condensation
Freezing
Melting
Sublimation
What evidence shows a chemical change?
Formation of precipitate
Formation of gas or smoke
Formation of a new substances
All of the above
Evaporation takes place when a _______ changes into a ______.
Solid, Liquid
Liquid. Gas
Solid, Gas
Gas, Liquid
Which among the following is the harmful effect of burning fuel in the atmosphere?
It increases oxygen in the air
It makes the air pure
It reduces carbon dioxide in the air
It releases harmful chemicals into the air
Which of the following should be done in disposing rotten vegetables and fruit peeling?
Throw them away anywhere
Burn them
Put them in a compost pit
Collect them and sell to the junk shop
