Rocks and minerals

A geologist is a scientist who studies_______.

• plants and animals
• fossils
• rocks and minerals
• ocean animals

_{The layer number 1 is called the:}

• Core

• Mantle

• Crust

_{The layer number 2 is called the:}

• Core

• Mantle

• Crust

_{The layers number 3 and 4 is called the:}

• Core

• Mantle

• Crust

The super-hot Earth´s layer, with solid centre.

• core

• crust

• mantle

The middle Earth´s layer of hot solid rock and hot liquid magma.

• core

• crust

• mantle

The top Earth´s layer, where we live

• core

• crust

• mantle

Hardness, color, and luster are examples of a mineral's ___________.

• price
• weight
• property
• name

What mineral is the softest?

• quartz

• mica

• feldspar

• talc

What mineral is the hardest?

• Quartz

• Diamond

• Feldspar

• Talc