Exploring Earth's Crust Composition

What is the most abundant element in the Earth's crust?

• Iron

• Oxygen

• Silicon

• Aluminum

Which of the following is a compound found in the Earth's crust?

• Gold

• Diamond

• Copper

Tags

NGSS.MS-PS1-1

What is the difference between a mineral and a rock?

• Minerals are made of rocks.

• Rocks are made of minerals.

• Minerals and rocks are the same.

• Rocks are elements.

Which of the following is an example of a mineral?

• Granite

• Basalt

• Feldspar

• Limestone

Which of the following is NOT a characteristic of a mineral?

• Naturally occurring

• Organic

• Solid

• Definite chemical composition

Tags

NGSS.MS-PS1-1

What is the primary difference between an element and a compound?

• Elements are made of compounds.

• Compounds are made of elements.

• Elements and compounds are the same.

• Compounds are elements in their purest form.

Which of the following rocks is primarily composed of the mineral calcite?

• Granite

• Limestone

• Basalt

• Sandstone

Tags

NGSS.MS-PS1-1

What is the second most abundant element in the Earth's crust?

• Aluminum

• Silicon

• Iron

• Calcium

Which of the following is a rock that forms from the cooling of magma?

• Marble

• Slate

• Granite

• Sandstone

Which of the following is a characteristic of a rock?

• It has a definite chemical composition.

• It is made of one or more minerals.

• It is always crystalline.

• It is always metallic.