If imprints or fossils of leaves, animals, or insects are found in the rock, what kind of rock is it?
What is sedimentary rock
100
When magma cools, what type of rock is formed?
What is igneous rock
100
When rocks reach the earth's surface or rise up higher in the earth's mantle (where the temperature isn't as high), this process occurs.
What is cooling
100
Particles of minerals or rocks
What is sediments
200
What is one example of a metamorphic rock?
What is marble or slate
200
What is one characteristic of igneous rocks?
What is gas bubbles or glassy surface
200
When an igneous or metamorphic rock is worn down into sediments, and the sediments compact, what kind of rock is formed?
What is sedimentary rock
200
This process happens when rock is pushed down underneath the earth's surface.
What is melting
200
What are two ways sediments can be deposited?
What is wind and water
300
What is one example of an igneous rock?
What is basalt, obsidian, rhyolite, or granite
300
What type of rock might have crystals?
What is metamorphic rock
300
After a sedimentary or igneous rock is exposed to intense heat and pressure, what kind of rock is made?
What is metamorphic rock
300
What is needed to change a sedimentary or an igneous rock into a metamorphic rock?
What is heat and pressure
300
What type of igneous rock is formed when magma cools outside of the earth's surface?
What is extrusive igneous rock
400
Which is an instrusive igneous rock, a diamond or basalt?
What is a diamond
400
Where could you find conglomerate?
What is near water (ocean, lakes, large rivers)
400
Who came up with the theory of the rock cycle?
What is James Hutton
400
This process changes rock by wearing them down into sediments.
What is weathering and erosion
400
What temperature range do rocks melt at?
What is 1,100 - 2,400˚F
500
What are the three types of sedimentary rock?
What is clastic, chemically formed, and organically formed
500
Because it was really hard, obsidian used to be used for..?
What is arrowheads
500
What time period did he come up with it?
What is the 18th-century
500
When upper layers of sediments build up on the floors of the ocean, they weigh down the layers beneath them. The lower layers begin to stick together and harden. What process is this?
What is compaction and cementation
500
What type of rock makes up most of the ocean floor?