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24 Cards in this Set

  • Front
  • Back

metamorphic

formed from heat & pressure

Igneous

type of rock formed from when magma cools

Sedimentary

layered rocks pressed together over time formed from weathering & erosion

Gemologist

person who studies gems

Crop rotation

When you change crops every other year. Discovered by Charles Townsend

The Rock Cycle

When rocks change into different rocks (igneous, metamorphic, sedimentary)

Hyrdoponics

method for growing plants without soil

What are the 5 features of a mineral?

1) solid


2) inorganic


3) natural


4) made up of atoms


5) have specific chemical composition

What is a mineral used in pencils?

graphite

What is a rock commonly used for counter tops?

granite

What is the strongest gem?

diamond

What is the softest gem?

talc

What is halite also known as?

salt

What is soil made up of the smallest particles called?

Clay

What is George Carver famous for?

300 ways to use peanuts & his work with agriculture

What are some techniques used to conserve soil?

- using worms


- plant bushes to block wind


- using rocks

What does it mean to break down organic matter to become part of the soil?

Decompose

What type of rock is sandstone?

Sedimentary

What type of rock is granite?

Igneous

What type of rock is limestone?

Sedimentary

What type of rock is quartzite?

Metamorphic

What type of rock is pumice?

Igneous

What type of rock is slate?

Metamorphic

What type of rock is basalt?

Igneous