Lesson 1 & 2

When rocks are colorful and shiny, does it refer to...?

• A prorperty

• A category

• Both of them

• Any of them

This is the way the surface of a mineral reflects the light.

• Shape

• Luster

• Color

These are natural nonliving solid crystals that make up rocks

• Color

• Minerals

• Luster

This refers to how easily a surface of a mineral can be scratched.

• Hardness

• Color

• Luster

• Metamorphic

This refers to the color of the powder that a mineral leaves when it is scratched across a special plate.

• Color

• Igneous

• Streak

• Luster

Minerals that breaks along smooth, flat surface have....

• Igneous

• Cleavage

• Color

• Luster

This category of rock is made of molten rock called lava or magma.

• Igneous

• Luster

• Color

• Cleavage

These are properties of igneous rocks. Mark all the correct answers.

• They are red

• Metamorphic

• They are different shape of crystals

• Sedimentary

Magma can cool off quickly or slowly, explain why?

This type of rock can form when layers of sediments settle on top of one another and harden.

• Igneous

• Sedimentary

• Luster

• Metamorphic