Hey everyone! THIS IS VERY IMPORTANT im in 8th grade and my science DBA is tomorrow and i need dba notes. its lesson 4. PLEASE PLEASE PLEASE HELP

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Explanation:

question/answer

What are two types of chemical weathering?

Oxidation and acids

What are some physical forces?

Wind, water, plants, pressure change, ice

There are two types of weathering

Mechanical and chemical

Weathering is the breakdown of

Rock at or near the Earth's surface.

What are three things that rocks can tell you about?

How the earth is moving, how old it is, and about events of the past.

Minerals are

The building blocks of rocks.

What are three things about minerals?

They occur naturally, almost all of them are solid, and they are in organic-not formed from living material.

Magma is

Molten rock from the mantle layer of the Earth.

When magma cools or hardens, it is called

Igneous rock.

When magma reaches the Earth's surface as lava and then cools and hardens into rock, it is called an

Extrusive rock.

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