What is the process that breaks rocks apart without changing their chemical composition?
physical weathering
100
What is the sudden and violent shaking of the earth caused by the shift in the tectonic plates within the earth's surface?
earthquake
100
What is the preserved remains of organisms (living things)?
fossil
100
What is molten rock on the earth's surface?
lava
200
What is a v-shaped valley eroded by a river?
canyon
200
What is the breaking down of rocks due to chemical reactions between minerals in the rocks and the environment? (for bonus points, name a specific example)
chemical weathering
200
What is the sudden, violent downward movement of huge amounts of snow, due to the heavy accumuluation of snow in places where the snow doesn't melt?
avalanche
200
What is an imprint of an organism preserved in rocks, where a hollow space is left when the organism decomposes (rots away)?
mold fossil
200
What is molten rock under the earth's surface?
magma
300
What is a fan-shaped deposit at the mouth of a river?
delta
300
What is the force that blows and weathers rocks slowly over time?
wind
300
What is the result of heavy or excessive amounts of rainfall within a short period of time, causing water to rise and fall rapidly?
flash flood
300
What is an imprint of an organism preserved in rock, when a mold fossil fills in with minerals or sediment?
cast fossil
300
What is the part of the earth just beneath the crust, from which the magma forms?
mantle
400
What is a nearly level area that has been pushed up?
plateau
400
What is the force that weathers rocks slowly by constantly washing over the rocks over long periods of time?
water
400
What is rapid downward movement of a mass of rock, earth or mud?
landslide
400
What is the preserved remains of body parts, such as teeth, shells or bones?
body fossil
400
What is a type of volcano that is not explosive. It has hot, runny lava with gentle slope?
shield volcano
500
What is a curve or loop in a river?
meander
500
What is the weathering force that is a huge sheet of ice and collects rocks and sediments as it moves VERY slowly over land masses?
glacier
500
What is the tidal wave caused by an earthquake that occurs in the earth's crust underneath the ocean?
tsunami
500
What occurs when parts of the organism are saturated with minerals (and become like rocks)?
petrification
500
What is the type of volcano that is made mostly of ash and cinders, with only a little lava? It is explosive, with steep sides.