The video introduces sedimentary rocks, explaining their formation from sediments that settle in layers over time. It describes how these sediments, composed of eroded rock particles and organic material, compress to form rocks like limestone, chalk, sandstone, and coal. The video also promotes the MakeMeGenius website for more educational resources.

What is the website mentioned for more science videos?

• www.sciencevideos.com

• www.kidsscience.com

• www.makemegenius.com

• www.learnscience.com

What does the term 'sedimentary' mean?

• Made from lava

• Made from minerals

• Made from crystals

• Made from sediments

What is sediment?

• Material that dissolves in water

• Material that settles to the bottom of a liquid

• Material that floats on water

• Material that evaporates

What happens to sediments over time to form sedimentary rocks?

• They compress

• They expand

• They dissolve

• They evaporate

What is the process called when sediments press each other and form rocks?

• Erosion

• Deposition

• Compression

• Sedimentation

What are the layers in sedimentary rocks called?

• Strata

• Mineral layers

• Crystals

• Bedding planes

Which type of sedimentary rock is formed by the compression of skeletons and shells of marine animals?

• Coal

• Limestone

• Sandstone

• Granite

What is sandstone formed by?

• Compression of sand

• Compression of clay

• Compression of fossils

• Compression of shells

What is coal formed from?

• Mineral deposits

• Sand particles

• Dead trees and plants

• Dead marine animals

Which of the following is NOT a sedimentary rock?

• Sandstone

• Granite

• Chalk

• Limestone