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Materials - Weak And Strong
Jellies are very weak materials. You wouldn't build a house with them!

Materials - Weak And Strong

This quiz addresses the requirements of the National Curriculum KS1 Science for children aged 5 and 6 in years 1 and 2. Specifically this quiz is aimed at the section dealing with weak and strong materials and why some things break but others don't.

You know that some materials are hard and others are soft. Some break easily but others do not. Some materials are weak and some are strong. Wool is soft, but if you pull it, it is quite strong. A glass vase is solid. It is hard to the touch. But it can break easily - it is weak if it is dropped. Here are ten questions about the strength of materials. Can you get full marks?

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1.
It is Mark’s birthday. He is having a party. He is given a birthday card. There is a birthday cake with icing on it. There are candles on the cake. Afterwards, they all eat jelly. All these materials are weak. But which one of these materials is the weakest?
Candle wax
Cake with icing
Birthday card
Jelly
Do you like to eat jelly?
2.
String is very bendy and flexible. But if you pull on string it is very hard to pull apart. You need scissors to cut string. This is because string is:
A very strong material
Quite a strong material
An elastic material
A hard material
It is very hard to stretch string. But you can stretch a rubber band by pulling on it. Rubber bands are elastic
3.
Holly goes to the playground. She climbs up onto the bars. The bars must be strong to hold Holly. The bars are made from _____.
Plastic
Steel
Rubber
Wax
Do you like swinging from the bars at the playground?
4.
The lead in a pencil breaks quite easily. The lead in a pencil is weak. Some people try to break the pencil itself. But it is hard to break pencils. This shows that:
Pencil lead is quite strong
Pencil lead is very strong
Wood is quite strong
Wood is weak
Wood is surprisingly strong
5.
Ellie is eating ice-cream out of a glass dish. She accidentally knocks the glass dish off the table and onto the floor. What will happen?
The glass dish will bounce
The glass dish will bend
The glass dish will break
The glass dish will catch fire
If you do break a glass, always ask an adult to see to it
6.
Wood is a strong material. But it can be cut. What do we use to cut wood?
A hammer
A screwdriver
A saw
A pair of scissors
Be careful - saws are sharp. Saws can be very dangerous
7.
Spoons go through ice cream easily. This is because ice cream is a ____ material.
Solid
Strong
Weak
Transparent
Which flavour of ice cream do you like best?
8.
Trains run on tracks. The tracks are made of steel. This is because steel is very ______.
Long
Strong
Weak
Elastic
Never go near railway lines
9.
Which of these can you cut with scissors?
Card
Stone
Steel
Wood
What do you like making at school?
10.
This is the British Museum in London. Many buildings are made of stone. Stone is cut from rock. Rock is a _____ material.
Strong
Weak
Flexible
Runny
Stone is cut from rock in quarries
Author:  David Bland

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