Year 3 Rocks Quiz WHCPS

Sort these rocks by type.

Groups:

(a) Sedimentary

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(b) Igneous

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(c) Metamorphic

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Do these rocks float or sink?

Groups:

(a) Float

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(b) Sink

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​ (a)   rocks absorb water.

• Permeable
• Hard
• Shiny
• White

​ (a)   rocks feel uneven and bumpy.

• Metamorphic
• Red
• Rough
• Impermeable

Which pictures show a fossil?

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What is a fossil?

• Organic matter that makes up the soil.

• A metamorphic or igneous rock.

• A type of rock that is permeable and crumbly.

• The preserved remains or traces of a dead organism.

Reorder the steps to show how fossils form.

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After an animal dies, the soft parts ​ (a)   leaving the hard parts, like bones and ​ (b)   . These become buried by ​ (c)   . Over time, layers of sediment form ​ (d)   around the skeleton. ​ When the bones dissolve, ​ (e)   create a rock replica over time.

• decompose
• shells
• sediment
• rock
• minerals

Select all the key parts of soil.

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Label the layers of soil.

a

b

c

d

organic layer (humus)

parent rock

bedrock

top soil