Inside Our Earth

What are the 3 layers of the Earth?

• Crust, Igneous, Mantle

• Crust, Sedimentary, Mantle

• Crust, Mantle, Core

• Crust, Mantle, Mantle

What does SiMa consist of?

• Silicon and Magnesium

• Silica and Magnesium

• Silica and Magma

• Silicon and Magma

What does SiAl consists of?

• Silica and Alumina

• Silicon and Aluminum

• Silica and Aluminium

• Silicon and Alumina

Three major types of rocks:

• igneous

• sedimentary

• metamorphic

• sial

• sima

Igneous is a _____ word meaning ______

• Latin, fire

• Greek, Stones

• French, Water

• Latin, Hot air

Sedimentary is a word derived from _____ word ______

• Greek, sedentum

• Latin, sedentum

• French, Sedimenta

• Spanish, Sedenta

Which of the following is a sedimentary rock?

• Granite

• Obsidian

• Limestone

• Marble

After metamorphism limestone changes into

• Slate

• Sandstone

• Marble

• Granite

Gold, petroleum and coal are examples of

• Rocks

• Minerals

• Fossils

• None of these

The core is made up of

• Silica and magnesium

• Nickel and iron

• Coal and marble

• Silica and alumina