Types of Rocks
Name the three main types of rocks
Metamorphic, sedimentary, igneous
Which property describes how easily a mineral can be scratched?
Hardness
What are the actual remains or evidence of plant or animal life called?
What is a naturally occuring solid material made up of one or more minerals?
Rock
Which type of rock often has bubbles?
Igneous
What type of rock forms when lava hardens?
Igneous
Name the hardest and softest minerals on the Mohs scale
Hardest: diamond
Softest: talc
What happens to the hard body parts of animals when they die?
They remain / are left
What are natural, non-living solid crystals that make up rocks?
Minerals
What type of rock is often used in buildings because it is so strong from heat and pressure?
Metamorphic
What type of rock forms under extreme heat and pressure?
Metamorphic
What property describes the color of the powder left by a mineral on a special plate?
Streak
What happens to the soft body parts of animals when they die?
They decay
What is the study of the earth called?
Geology
Which type of rock often has fossils in it?
Sedimentary
What type of rock forms when layers of sediment (like dirt or sand) compact together? (Think about our jolly rancher rock!)
Sedimentary
What property describes how a mineral breaks?
Cleavage
What settles on top of animal remains to begin the process of fossil formation?
Sediment
What is eroded material that settles on land or at the bottom of water and that can form rocks and/or fossils?
Sediment
True
Give an example of each type of rock
Igneous - basalt, granite, obisidian
Sedimentary - sandstone, limestone, shale
Metamorphic - marble, gneiss, quartzite
What property describes how the surface of a mineral reflects light?
Luster
What happens to the layers on top of dead animals to form fossils?
They harden
What is liquid melted rock called INSIDE the earth and OUTSIDE the earth?
Inside: magma
Outside: lava
What is the name of a space rock?
Meteorite