Fossils
Weathering/Erosion
Earthquakes & Volcanoes
Earth's Layers
Plates & Resources
500
Which layers used to be a body of water?
Layers A and B
500
Name 3 causes of erosion.
moving water, wind, & moving ice
500
Why do we not have strong Earthquakes where we live?
We do not live on plate boundaries.
500
What is the thinnest layer of the Earth's surface?
crust
500
Convergent boundaries are plates that move ____?
together
500
True or False. Fossils take a long time, even millions of years, to form.
True
500
What is weathering?
the breaking down or rock into smaller pieces
500
What causes earthquakes?
shifts in parts of the earth's crust, movement of tectonic plates
500
What two landforms can occur when two tectonic plates collide?
Volcanoes and mountains
500
What kind of boundaries caused the Mid-Atlantic Ridge to form?
DIVERGENT
500
Which layer is older?
Layer A
500
What is it called when soil and rocks are dropped or dumped by moving water, ice, or wind?
Deposition
500
What hot, molten material is inside of a volcano?
magma
500
Which 2 layers of the Earth's surface are made of iron and nickel?
Outer and Inner Cores
500
Which Virginia resource would be best to use when building new roads?
a. coal
b. gravel
c. sand
d. soil
b. GRAVEL
500
What is a fossil?
evidence of prehistoric life preserved in a rock
500
What is erosion?
moving sediment
500
What is an earthquake?
shaking of the ground
500
Name the 4 layers of the Earth's surface starting with the top layer we live on.
crust
mantle
outer core
inner core
500
What are tectonic plates?
big chunks of the Earth's crust that are moving
500
Fossils can be found in what type of rocks?
Sedimentary rocks
500
What is the difference between weathering and erosion?
Weathering is the breaking down of rock into sediment, and erosion is movement of sediment.
500
Where are volcanoes usually located?
on land or deep in the ocean
500
What TWO things INCREASE as you go deeper into the Earth's surface?
Temperature and Pressure
500
What VA resource is melted down to make glass?
sand