rock cycle

If heat and pressure inside the Earth cause a rock to melt, the material that formed would be

• Metamorphic
• Magma
• Sedimentary
• Igneous

Which of the following is not a rock

• Pumice
• Lava
• Halite
• Sandstone

The three groups of rocks are classified by

• How they form
• Color
• Grain size
• Chemical Composition

This rock started as molten magma. What type of rock is this?

• Sedimentary
• Igneous
• Metamorphic

This rock was formed by smaller pieces of rock that settled at the bottom of a lake millions of years ago. What type of rock is this?

• Sedimentary
• Igneous
• Metamorphic

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

• True
• False

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

• erosion
• weathering
• sediments

What are the 3 major types of rocks?

• Igneous, Metamorphic, Sedimentary
• Metamorphic, Igneous, Cementation
• magma, lava, crystals

The process by which igneous rocks are formed...

• heat and pressure
• melting and cooling
• weathering and erosion

The process by which metamorphic rocks are formed...

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