Rocks
1. Can all minerals form rocks?
Most minerals can form rocks because rocks are made of minerals.
2. Why is ice a mineral but water is not?
Ice is a solid, so it is a mineral. Water is a liquid, so it is not.
3. Why are only solids minerals?
Only solids can have a crystal structure, which minerals need.
4. How do we measure a mineral's weight?
We use a balance or weighing scale.
5. Marble vs Granite?
Marble is mostly calcite. Granite contains quartz, feldspar, and mica.
6. Why are they used in houses?
They are strong, attractive, and durable.
7. Is a sedimentary rock a mineral?
No. A rock is made of minerals but is not a mineral.
8. Do all rocks have minerals?
Most do, but a few rocks do not.
9. How do minerals make rocks?
Minerals join together and form rocks.
10. Are all rocks hard?
No. Some rocks are soft.
11. Can inorganic substances burn?
Some can burn, but many cannot.


On the second question’s answer you stated that ‘ice is a solid and that’s why it contains minerals’, do all solids contain minerals?
If water does not contain any minerals, what is “mineral water” that you buy from the store?