Science 2nd grade | UNIT 2: Looking at rocks 2.5 Check your progress

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1) Can you name the rocks A, B, C and D?

Granite: very hard, with small pieces of many colours / Marble: hard, smooth, white, but can have other colours / Limestone: grey,can be scratched with steel, can contain fossils Sandstone: red, brown or orange, can be scratched with steel, grains of sand can be scratched off

2) Which one of these is not made of rock?
a: a mountain
b: the surface of the Earth
c: a river
d: the sea floor
3) This building has columns made of marble. Why do we use marble for building things?

4) Why does soil have pieces of rock in it?
5) What natural material is used to make each of the things shown below?

table salt	rock wall	wooden table
woollen jumper	cotton T-shirt

Science 2nd grade | UNIT 2: Looking at rocks 2.5 Check your progress

2.5 Check your progress

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