When you watch a volcano erupt molten rock, you are seeing _____

• Lava
• Magma
• Mineral Crystals
• Igneous Rocks

The process when rocks break into smaller pieces due to exposure to natural elements is called

• erosion
• weathering
• sediments

True or False: Once a rock is sedimentary, it cannot become an igneous rock.

• True
• False

Geologists have classified rocks into three major groups of rocks which are:

• inorganic, organic and chemical rocks

• igneous, sedimentary and metamorphic rocks

• metamorphic, chemical and non chemical rocks

• sedimentary, inorganic and igneous rocks

During the rock cycle, what forms when the magma cools?

• igneous rocks
• sedimentary rock
• metamorphic rock
• foliated rock

When sediments are pressed together tightly, this is called ____________.

• Compaction
• Cementation
• Weathering
• Erosion

The name rock is given when it is broken down into smaller pieces.

• texture
• weathering
• sediment
• erosion

_______ rock forms from magma/lava

• Metamorphic
• Sedimentary
• Igneous

This rock was formed when molten rock cooled into a solid. What type of rock is it?

• Igneous Rock
• Metamorphic Rock
• Sedimentary Rock

The process by which metamorphic rocks are formed...

• heat and pressure
• erosion and deposition
• melting and cooling