Weathering and Erosion
True or False:
Soil is the same as dirt
False
Metamorphic rocks are formed by
heat and pressure
How old is the Earth approximately?
4.6 billion years old
The inner core of earth is a solid ball of ______.
metal
What are the two main ingredients we used to mimic a volcano eruption?
baking soda and vinegar
What are the five types of soil?
What is the source rock for Gneiss?
Granite
What is coprolite?
Fossilized feces aka waste
What is the difference between intrusive and extrusive rock?
Intrusive rock is below Earth's surface where as extrusive rock is above Earth's surface
What is an extinct volcano?
A volcano not expected to erupt again
What is humus?
Marble comes from what source rock?
What type of fossil hardens and traps both the hard and soft parts of living things?
Amber (tree sap)
What might form when magma or lava starts to cool?
Crystals
What is Wegener's theory about continents?
The continents were once all connected but then drifted apart
Where does soil come from?
Parent rock that undergoes weathering and erosion
True or False:
Obsidian is an extrusive rock
True
What era comes after Paleozoic?
Mesozoic
What is a material that we can use to simulate the heating and cooling of molten rock?
Salol
Two plates moving toward each other is called?
Convergent boundary
What type of sediments is shale made up of?
Clay or silt
How does a metamorphic rock become a sedimentary rock?
Weathering, erosion, and deposition
Fossils can become energy called?
fossil fuels
What is an igneous rock?
A rock formed when lava or magma cools and becomes solid
When did Mount St. Helens erupt?
May 18, 1980