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The earth's crust is mostly made up of what?
Oxygen and silicon
What are the different layers of the earth called?
Crust, mantle, inner core, and outer core
Melted rocks from the mantle are called what?
Magma
What is the largest ocean on earth?
The Pacific Ocean
What process do plants go through to create energy?
Photosynthesis
What does a plants produce?
Plants take in carbon dioxide and produce oxygen
What is the geologic time scale?
The geologic time scale is a system of dating that scientists use to describe different events in earth's history
What is Pangaea?
Pangaea was one massive super continent that existed millions of years ago.
What is a fossil?
Fossils are remains or impressions of a prehistoric organism.
What are three types of fossil fuels?
Oil, coal, and natural gas are three fossil fuels.
What are the basic type of rock forms?
Igneous, metamorphic, and sedimentary.
What type of rock are fossils found in?
Fossils are found in sedimentary rocks.
What is erosion?
The gradual breaking down of the rock from wind and water.
What causes the oceans' tides?
The moon's gravitational pull controls the tides.
What causes a rainbow to appear?
Rainbows are created when sunlight splits and the different color components are reflected through rain drops.
