Sedimentary Rocks and Their Formation

How many main categories of rocks are there based on their formation?

• Two

• Three

• Four

• Five

What are the tiny pieces of rock and dirt that are carried by water and sink to the bottom of oceans and lakes called?

• Minerals

• Crystals

• Sediment

• Gravel

What is the primary force that transforms layers of sediment into sedimentary rock?

• Melting

• Erosion

• Pressure

• Volcanic activity

Which of the following is an example of a sedimentary rock?

• Granite

• Marble

• sandstone

• Basalt