All about Rocks
Classification
The Earth
Rock On!
Rocks Rock!

100

All rocks are made up of these
What are minerals

100

Which is the name of the hardest mineral? Number 10 on the hardness scale.
What is diamond

100

What is the earth’s outer layer of rock called?
What is the crust

100

A scientist who studies the earth is called
What is a geologist

100

This type of rock is formed when lava cools and hardens
What is igneous

200

True or False: All rocks form in layers
What is False

200

Which word could be used to describe a rock’s luster? Shiny or rough
What is shiny

200

What is the inner most (center) of the earth called?
What is the core

200

Which of these in NOT a type of rock? Granite, limestone, ruby marble
What is Ruby

200

This type of rock forms when a rock changes because of heat and pressure
What is metamorphic

300

Name the three types of rocks
What is Igneous, Metamorphic and Sedimentary

300

Which of the following words could be used to describe the texture of a rock? Smooth or sparkly
What is smooth

300

The thickest layer of the earth is called?
What is the mantle

300

Which of the following is NOT a gemstone Ruby, Sapphire, Sandstone, Emerald
What is sandstone

300

Layers of rocks and sand that are pressed together form this type of rock
What is sedimentary

400

A collector of rocks and minerals is called a
What is a rockhound

400

Scratch testing tests which property of rocks? Hardness or luster
What is hardness

400

What is the name of the melted rock INSIDE a volcano?
What is molten rock or magma

400

The strongest mineral, number 10 on Mohs hardness scale is
What is diamond

400

Trees that have become solid stone are called
What is petrified wood

500

Tiny pieces of rock material carried away by water
What are sediments

500

What is the name of the hardness scale?
What is Mohs

500

When wind and water wear away at rocks it is called
What is erosion

500

A naturally occurring, non-living solid found in nature
What is a mineral

500

This type of rock is made from dead plants, it takes millions of years to form
What is coal