1. Science - Year 3/4B Autumn 1
Rocks
This Planet Rocks
Session 2
Results PowerPoint
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2. Let’s share our results

3. The Hardness Test Which rocks were the hardest?
There are lots of ways to test hardness. What did you do to make it fair?
Which rocks were the hardest?
Which rocks were the softest?

4. The Water Test How did you make it fair? Which rocks were permeable?
Which rocks were impermeable?

5. The Rock Identification Key
Which of our rocks fizzed when you added acid?
Probably chalk, limestone and marble
What does that tell us?
These rocks are made from the shells of animals that lived long ago!

6. Look at your Key sandstone, chalk, limestone, shale and conglomerate
Which of our rocks are sedimentary?
sandstone, chalk, limestone, shale and conglomerate
Which rocks are igneous?
granite, pumice and basalt
Which rocks are metamorphic?
marble and slate