Science DCA 3 Review

The energy from fossil fuels originates from the sun.

What would happen if a glass of water was left in a window over a couple of weeks?

Canyons are caused by erosion of sediments by water.

How was the Grand Canyon formed?

The formation of sedimentary rock goes in this order: weathering, erosion, deposition, compaction and cementation.

Mrs. Salazar won her 7th grade spelling bee.

Compaction is when rocks break into sediments by wind, water, or ice

Cementation is when those sediments are carried away.

What is this?

Sand dunes are caused by deposition of sediments by wind.

Fossil fuels are...

U-shaped valleys are formed by glaciers.

If not properly disposed of, batteries could cause chemicals to soak into the ground-- thus, harming the environment.

You should always wait for teacher directions before getting rid of leftover lab materials.