Glaciers contribute to the formation of which landforms?
Valleys
Imprints or preserved remains of ancient plants and animals are called...
Fossils
List 5 alternative energy sources
hydroelectric, geothermal, wind, solar, boimass, nuclear
What is weathering? Give an example.
Weathering is the process of rocks breaking down.
What is sedimentary rock made of?
sediments compacted
What is the difference between a canyon and a valley?
canyon is steeper and more U shaped. A valley is in a V shape.
Is coal a renewable resources?
No
What are three advantages of alternative energy over fossil fuels?
answers vary
What is Erosion? Give an example.
Erosion is the process of sediments moving.
What type of rock are fossils found?
Sedimentary rock
How might a canyon be formed?
1. weathering, and erosion by water and glaciers over millions of years.
How is oil formed?
What are three disadvantages of using alternative energy over fossil fuels?
Answers vary
What is deposition? Give an example
The process of sediments settling.
What is chemical weathering? Give an example.
chemicals in water weather a rock
When magma cools it becomes...
igneous rock
What are 2 cons of using fossil fuels?
harming environment
running out of them
What must you have to build a hydroelectric power plant?
fast moving water.
What is an example of physical weathering? What are some agents of physical weathering?
water freezes in a rock and expands it.
What is the study of rocks called?
Geology
A _________ is a low, flat area
plain
What are 2 pros to using fossil fuels?
cheap
easy to store and transport
What is biomass/biofuel made from?
trees and plants
What is the most powerful force of erosion?
How does weathering, erosion, and deposition form a delta?
weathering breaks the rock in mountains
sediments are erroded and carried down stream
They settle at the mouth of the river.