Year 8 Term Review - Rocks

A type of rock that forms from the cooling of molten rock at or below the surface of the Earth

• Igneous Rock
• Metamorphic Rock
• Sedimentary Rock
• Chemical Rock

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

• Sedimentary
• Igneous
• Metamorphic

What is crystallization?

• When crystals dissolve in a solution.

• When crystals melt into liquid.

• The formation of crystals

Which of the following best describes a crystal?

• Molecules fit together in a random pattern.

• Molecules fit together in a repeating pattern.

Which of the following best describes a crystal?

• Molecules fit together in a random pattern.

• Molecules fit together in a repeating pattern.

How light is reflected off a mineral

• streak
• color
• luster
• fracture

Measure of how easily a mineral can be scratched

• fracture
• cleavage
• hardness
• streak

The color of a mineral's powder

• color
• streak
• luster
• powder

Breakage along rough or jagged edges

• cleavage
• fracture
• streak
• luster

Breakage along smooth, flat planes

• fracture
• cleavage
• streak
• ore