Earth Science: Composition of Earth Unit Test

What element is common to all four of these minerals?

• silicon

• oxygen

• magnesium

• carbon

Tags

NGSS.MS-PS1-1

Which element used above is not considered one of the eight most common elements found in the Earth's crust?

• iron

• calcium

• aluminum

• carbon

What is true about minerals?

• they are naturally occurring and inorganic

• they can be synthetically produced

• they are organic and inorganic

• they are occasionally found in a liquid state

Tags

NGSS.MS-PS1-1

A mineral has a mass of 150 g and a volume of 25 cm³. What is its density?

• 6 g/cm³

• 3750 g/cm³

• 175 g/cm³

• 125 g/cm³

A mineral's density is 4.5 g/cm³. If it has a volume of 30 cm³, what is its mass?

• 34.5 g

• 6.67 g

• 125 g

• 135 g

96% of the minerals present in Earth's crust are in which mineral group?

• carbonates

• silicates

• oxides

• sulfates

Which ore would a car manufacturer be least interested in?

• Ilmenite

• Hematite

• Bauxite

• Chromite

Which mineral would be most useful to a chef?

• bauxite

• aluminum

• ilmenite

• titanium

Minerals always exist in a(n) _____ form.

• liquid

• gaseous

• solid

• organic

The most abundant elements in Earth's crust are _____.

• aluminum and potassium

• halite and coal

• oxides and carbonates

• oxygen and silicon