Science. Unit 3. Book 2

a)     Minerals are classified into ___________________ and non-silicates.

a)     Silicates minerals contain _____________ and _________________.

• Turquoise and silicon

• silicon and oxygen

Feldspar and quartz are examples of _______________

• rocks

• non-silicates minerals

• silicates minerals

Minerals are

• natural, solid and inorganic

• natural, solid and organic

Some of the physical properties of minerals are ____________, lustre, magnetism and hardness.

They are natural solids which can contain one or more different types of minerals and can also have parts of dead living things.

• Minerals
• Rocks
• Fossils
• Crystals

The three types of rocks are

• Igneous, silicates and metamorphic

• Igneous, non- silicates and metamorphic

• Igneous, sedimentary and metamorphic

Extraction of minerals and rocks found deep in the ground

• Surface mining

• Underground mining

Syenite and pumice are examples of

• sedimentary rocks

• metamorphic rocks

• igneous rocks

Slate and marble are examples of

• Metamorphic rocks

• igneous rocks

• sedimentary rocks