Rock n' Roll
Heavy Metal
Treasure Hunt
I'm Digging It
A Girl's Best Friend
100
Molten rock in the earth's mantle
What is magma?
100
Most useful metal
What is iron?
100
Rock that smells like mud when wet
What is shale?
100
An underground spring that shoots streams of boiling water and steam up into the air
An underground spring that shoots streams of boiling water and steam up into the air
100
Hardest substance
What is a diamond?
200
A mudball with crystals inside
What is a geode?
200
Only metal that is liquid at room temperature
What is mercury?
200
Metamorphic rock that is used to make chalkboards
What is slate?
200
A person who explores caves
Who is a spelunker?
200
Rarest gemstone
What is a ruby?
300
Igneous rock that floats
What is pumice?
300
Lightweight, nonmagnetic, rustproof metal
What is aluminum?
300
Rock that is used in pencils
What is graphite?
300
Decaying plant and animal material found in soil
What is humus?
300
Scientist who studies minerals
Who is a mineralogist?
400
Sedimentary rock that is formed from shells and bones
What is limestone?
400
Radioactive metal used in nuclear power
What is uranium?
400
Two types of weathering
What are chemical and physical?
400
Very durable artificial rock
What is concrete?
400
The special solids that all minerals form
What are crystals?
500
Igneous rock that looks like black glass
What is obsidian?
500
Best conductor of electricity
What is silver?
500
Plant and animal remains that have turned to stone
What are petrified fossils?
500
Scientists who study fossils
What are paleontologists?
500
Rare, beautiful minerals that have not been polished
What are gemstones?
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