Sedimentary Rocks 1

sedimentary rock formed from remains of plants and animals

• chemical rock
• organic rock
• clastic rock
• erosion

This rock is made of large bits of gravel cemented together. What type of sedimentary rock is it?

• Clastic
• Chemical
• Organic

____________ sedimentary rock forms when mineral that are dissolved in a solution crystallize

• Chemical
• Clastic
• Organic

Rock made of layers of compressed sediments

• metamorphic rock
• igneous rock
• sedimentary rock
• school house rock

Small pieces of rock are also called

• sediment
• coal
• organic matter
• erosion

_{Sedimentary Rocks are often made up of other rocks and minerals.}

• True
• False

Which is smaller?
Clay or Silt

• Clay
• Silt

Which is bigger?
Boulder or Cobble

• Boulder
• Cobble

What rock is made from sand?

• Siltstone
• Gravel
• Sandstone

Sedimentary rocks are formed by

• Cooling of lava or magma
• Heat and pressure
• Compacting and cementing