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Rocks and Fossils

Across
General theories or facts.
Another word for precious.
A substance cannot be called a mineral if it is formed from ........./........ (p3)
What is Limestone made from? (p1)
One of the most popular elements that make up the Earth's crust. (p5)
What moves to cause earthquakes? (p447)
What is coal composed of? (p8)
Amounts of something left in one place by a natural process.
A precious gemstone. (p6)
What is magma called when it flows on the Earth's surface? (p14)
What are most type of rocks on the Earth's surface? (p19)
What do rocks carry to help scientists learn more about the history of the Earth? (p9)
Glaciers and rivers move rocks from one place to another. Name another way which rocks move. (pg446)
What type of rock is often used today to make floor tiles and kitchen countertops? (pg438)
Solid substances made up of one or more simple chemicals.
Down
What are the remains or traces of ancient living things called? (p22)
How many billions of years old is the Earth? (p40)
What does the word "metamorphism" mean? (p29)
Experts that study the Earth and its rocks.
Which rock can sometimes float on water? (pg438)
Which Latin word does "Igneous" come from? (p10)
The hardest substance found in nature. (p4)
In caves, there are two types of rocks that are formed from dripping water. Which type come from the floor? (p27)
Very small pieces of matter.
What type of rock is the Taj Mahal in India made out of? (pg445)
A slow process of being worn away.