Igneous Rocks
Sedimentary Rocks
Metamorphic Rocks
Testing Rocks & Minerals
General Rock Knowledge
100
Where do igneous rocks form?
beneath the earth, erupting from volcanoes
100
Where do sedimentary rocks form?
beneath the ocean, rivers, or lakes
100
How do metamorphic rocks form?
Extreme heat and pressure
100
When observing a rock or mineral, what do you test for? 4 answers
Hardness, luster, color, texture
100
What is the name of the type of scientist that studies rocks?
Geologist
200
How is an igneous rock formed?
by lava that cools and hardens
200
How do sedimentary rocks form?
weathering or erosion causes sediments to fall into the water, layers pile on top and form a rock
200
What happens when metamorphic rock melts?
it turns into magma
200
What property tests whether a rock is shiny or dull?
luster
200
What are the 3 main groups of rocks?
Sedimentary, Igneous, and Metamorphic
300
The word "igneous" comes from a greek word for...
Ignite or Fire
300
True or False: Sedimentary rock is NOT formed by erosion
False
300
"metamorphic" comes from the root word...
metamorphosis
300
What items can be used to test hardness of a rock? 3 answers
Penny, fingernail, iron nail
300
What is the name for melted rock?
Magma
400
True or False: An igneous rock can only be formed from a sedimentary rock
False
400
What does erosion and weathering create?
sediments
400
True or False: Metamorphic rocks are rocks that have morphed or changed from other rocks
True
400
What is the name of the hardest rock?
Diamond
400
What is the name for magma once it was come to the Earth's surface?
lava
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