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Grades 3, 4 and 5 - Science - Elementary School - Materials - Weak And Strong
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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.

Grades 3, 4 and 5 - Science - Elementary School - Materials - Weak And Strong
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10 Questions

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?
2. Holly goes to the playground. She climbs up onto the bars. The bars must be strong to hold Holly. The bars are made from _____.
3. 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?
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:
5. Holly goes to the playground. She climbs up onto the bars. The bars must be strong to hold Holly. The bars are made from _____.
6. 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:
7. This is the British Museum in London. Many buildings are made of stone. Stone is cut from rock. Rock is a _____ material.
8. 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?
9. 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:
10. Wood is a strong material. But it can be cut. What do we use to cut wood?