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Unit Plan
CK-12 Foundation

Ck 12: Earth Science: Population Size

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] How environmental factors put limits on population sizes.
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Unit Plan
CK-12 Foundation

Ck 12: Earth Science: Precambrian Continents

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] How the first continents were formed.
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Unit Plan
CK-12 Foundation

Ck 12: Earth Science: Precambrian Continents

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] How the first continents were formed.
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Unit Plan
CK-12 Foundation

Ck 12: Earth Science: Precambrian Plate Tectonics

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] How plate tectonics caused the continents to come together to form a supercontinent.
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Unit Plan
CK-12 Foundation

Ck 12: Earth Science: Precipitation

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Describes various types of precipitation.
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Unit Plan
CK-12 Foundation

Ck 12: Earth Science: Precipitation

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Describes various types of precipitation.
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Unit Plan
CK-12 Foundation

Ck 12: Earth Science: Predicting Earthquakes

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] The signs scientists might see prior to an earthquake occurring.
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Unit Plan
CK-12 Foundation

Ck 12: Earth Science: Predicting Earthquakes

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] The signs scientists might see prior to an earthquake occurring.
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Unit Plan
CK-12 Foundation

Ck 12: Earth Science: Predicting Volcanic Eruptions

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] How scientists can predict volcanic eruptions.
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Unit Plan
CK-12 Foundation

Ck 12: Earth Science: Predicting Volcanic Eruptions

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] How scientists can predict volcanic eruptions.
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Unit Plan
CK-12 Foundation

Ck 12: Earth Science: Preventing Hazardous Waste Problems

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] How to prevent hazardous waste pollution.
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Unit Plan
CK-12 Foundation

Ck 12: Earth Science: Principle of Horizontality

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Rules for sedimentary rock formation.
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Unit Plan
CK-12 Foundation

Ck 12: Earth Science: Principles of Relative Dating

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] How relative positions of rocks allow scientists to compare their ages.
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Unit Plan
CK-12 Foundation

Ck 12: Earth Science: Protecting Shorelines

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Describes the barriers that humans construct to protect beaches and shorelines.
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Unit Plan
CK-12 Foundation

Ck 12: Earth Science: Protecting Water From Pollution

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] How to reduce pollution and clean up polluted water.
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Unit Plan
CK-12 Foundation

Ck 12: Earth Science: Radioactive Decay as a Measure of Age

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] An overview of radioactive decay.
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Unit Plan
CK-12 Foundation

Ck 12: Earth Science: Radioactive Decay as a Measure of Age

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] An overview of radioactive decay.
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Unit Plan
CK-12 Foundation

Ck 12: Earth Science: Radiometric Dating

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] How scientists can use radioactive decay to find the age of certain materials.
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Unit Plan
CK-12 Foundation

Ck 12: Earth Science: Red Giants and White Dwarfs

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Describes the differences between red giant stars and white dwarf stars, and when a star becomes a red giant or a white dwarf.
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Unit Plan
CK-12 Foundation

Ck 12: Earth Science: Reducing Air Pollution

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Technologies that will reduce air pollution.
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Unit Plan
CK-12 Foundation

Ck 12: Earth Science: Reducing Air Pollution

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Technologies that will reduce air pollution.
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Unit Plan
CK-12 Foundation

Ck 12: Earth Science: Reducing Greenhouse Gas Pollution

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] How greenhouse gas levels can be reduced.
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Unit Plan
CK-12 Foundation

Ck 12: Earth Science: Reducing Greenhouse Gas Pollution

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] How greenhouse gas levels can be reduced.
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Unit Plan
CK-12 Foundation

Ck 12: Earth Science: Rocks

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Defines the properties of a rock.