Rocks and Minerals

Which of the following is a characteristic of all minerals?

• Crystalline structure

• Fills the shape of its container

• Usually organic

• Random chemical composition

Which of the following is NOT a way to identify a mineral?

• Streak

• Denisty

• Luster

• Crumble

What is fracture?

• Ability to reflect light

• A break in parallel planes

• Uneven break

Igneous rocks are formed from geysers in the Earth's crust.

• True

• False

Two types of igneous rocks are:

• Interior and exterior

• Intrusive and extrusive

• Inside and outside

• Enter and exit

Lava is found...

• after a volcano erupts.

• on the inside of a volcano.

• both inside and outside a volcano.

Fossils are a form of:

• mineral

• igneous rock

• sedimentary rock

Which type of rock results from melting and cooling of magma?

• Igneous
• Metamorphic
• Sedimentary
• Extrusive

Which type of rock forms from extreme heat and pressure?

• Igneous
• Sedimentary
• Organic
• Metamorphic

This rock was found near the mouth of a volcano. What type of rock is this?

• Sedimentary
• Igneous
• Metamorphic