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10 Points 20 Points 30 Points 40 Points 50 Points 10 Points 20 Points 30 Points 40 Points 50 Points 10 Points 20 Points 30 Points 40 Points 50 Points 10 Points 20 Points 30 Points 40 Points 50 Points 10 Points 20 Points 30 Points 40 Points 50 Points Rockin’ Rocks Slow Changes Voracious Vocabulary Rapid Changes Marvelous Minerals

the way a mineral shines, or reflects light

What is luster?

a measure of how easy it is to scratch a mineral

What is a mineral’s hardness?

a scale that measures the hardness of a mineral

What is Mohs Harness Scale?

this type of mineral looks dull

What is a nonmetallic mineral?

the tendency of a mineral to split easily along flat surfaces

What is cleavage?

a solid material made up of one or more minerals

What is a rock?

the continuous series of changes that rocks undergo

What is the rock cycle?

Weathering breaks down igneous rocks. These sediments can be compacted and cemented to form this type of rock.

What is sedimentary rock?

Heat and pressure may melt a metamorphic rock, forming magma. When the magma cools and hardens, this type of rock is formed.

What is igneous rock?

a rock that is made when old rocks are changed by heat and pressure under Earth’s surface

What is metamorphic rock?

melted rock above Earth’s surface

What is lava?

melted rock below Earth’s surface

What is magma?

a crack in Earth’s crust

What is a fault?

the sudden movement of part of the Earth’s crust

What is an earthquake?

when loose rock and soil move suddenly down a hill

What is a landslide?

the slow wearing away of rock into smaller pieces

What is weathering?

the moving of rock material from one place to another

What is erosion?

a large piece of slow-moving ice

What is a glacier?

the dropping of sediment moved by water, wind, and ice

What is deposition?

the long ridge, or raised piece of land, formed by the materials carried and deposited by a glacier

What is a moraine?

a nonliving solid found in nature

What is a mineral?

a body of water that is partly enclosed by land and has a wide opening

What is a bay?

a large mass of sediment at the mouth of a river

What is a delta?

slow movement of land along a fault

What is creep?

an area of California that was formed by glaciers

What is Yosemite Valley?

Make your wager.

the crust, mantle, outer core, and inner core

What are Earth’s layers?