Rocks, Minerals, and Soil

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What type of rock forms from cooled and solidified lava?

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The definition of soil is, "the mineral and organic material on the surface of the earth."

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A rock is made up of

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Minerals are a liquid, have always been alive, and were formed by humans.

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Soil is a mixture of...

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After rocks form, they wear down and form again. This is called the rock cycle.

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Fill in the blank: There are ________________ main types of soil.

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Fill in the blanks: Clay has the smallest particles. It is _ to the touch when wet, but _____ when dry.

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Igneous rocks are formed when weather and erosion cause them to break down and harden.

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We identify minerals by their properties. Name one property that we look at:

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Sand is made up of large particles, so it feels rough when you rub it between your fingers. Sand feels...

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One example of an igneous rock is pumice.

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What scale do we use to measure the ability of minerals to scratch each other?

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Loam is often light brown or tan.

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Name an example of sedimentary rock:

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Which is the best soil for growing plants?

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Metamorphic rocks are rocks that have changed because of heat and pressure. These rocks were once other rocks, but they have changed and turned into metamorphic rocks.

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Luster is...

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Soil is made up of layers called horbens.

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What type of rock forms from cooled and solidified lava?

The definition of soil is, "the mineral and organic material on the surface of the earth."

A rock is made up of

Minerals are a liquid, have always been alive, and were formed by humans.

Soil is a mixture of...

After rocks form, they wear down and form again. This is called the rock cycle.

Fill in the blank: There are ________________ main types of soil.

Fill in the blanks: Clay has the smallest particles. It is ___________ to the touch when wet, but _______________ when dry.

Igneous rocks are formed when weather and erosion cause them to break down and harden.

We identify minerals by their properties. Name one property that we look at:

Sand is made up of large particles, so it feels rough when you rub it between your fingers. Sand feels...

One example of an igneous rock is pumice.

What scale do we use to measure the ability of minerals to scratch each other?

Loam is often light brown or tan.

Name an example of sedimentary rock:

Which is the best soil for growing plants?

Metamorphic rocks are rocks that have changed because of heat and pressure. These rocks were once other rocks, but they have changed and turned into metamorphic rocks.

Luster is...

Soil is made up of layers called horbens.

Fill in the blank: We use minerals everyday. Whenever you pick up a glass or put __________________, you are using a mineral.

Fill in the blanks: Clay has the smallest particles. It is _ to the touch when wet, but _____ when dry.