Weathering

Weathering

Mechanical & Chemical

• Think about how potholes form in paved roads.

• In your science journal write a few sentences that describe how water contributes to the formation of potholes.

Rates of Weathering

• Imagine you are in a sand-castle-building competition at the beach. Come up with a variety of ways to protect your castle against the weathering effects of the wind and waves.

• You can illustrate your ideas.

Bedrock to Soil

• Where does soil come from?

• Has there always been soil on Earth?

• What makes soil valuable to humans?

Soil Conservation

• SOIL has been called: “The bridge between life and the inanimate world.”

• President Franklin D Roosevelt said “The nation that destroys its soil destroys itself.”

• Explore/Explain the meaning of both quotes.

Human Activity

• How does human activity contribute to the weathering of rock and to the formation of soil. (give examples)

Climate

• How does climate affect the rate of weathering?

Soil

• Which layer of soil is the most important for growing crops? Explain.

AGENTS OF EROSION & DEPOSITION

Beach or River

• What would you see at a beach or on river?

• What would water form?

• What do waves cause?

Shoreline

• Where does sand come from?

Wind

What causes wind?

Glaciers

• Imagine you are living in America 14,000 years ago and you encounter this glacier. Write a paragraph about your experience.

Gravity effect on Land

• Watch for falling rocks!• What factors contribute to make a rockfall

zone?

MASS MOVEMENT

• Describe in detail what type of movement occurs in each of these.– Larhar

– Creep

Diamonds and Pencils

• You are a magazine and a company wants to sell their pencil lead to people all over the world. You need to create an advertisement that will capture the customers from all over the world’s attention. You must illuminate how this pencil lead could be as valuable as a diamond.

QUICK LAB

• 1. You need a penny, a pencil, and your fingernail. Which one of these three materials is the hardest?

• 2. Use your fingernail to try to scratch the graphite at the tip of the pencil.

• 3. Now try to scratch the penny with your fingernail.

• Which of the three is the hardest?

MOUNTAINS OF MINERALS

• Scientists have identified over 3,000 different minerals.

• How do geologists tell all 3,000 apart?•

The meek shall inherit the Earth but not the Mineral Rights

• What would you do if valuable minerals were discovered on property you owned?

Rocks and Rock Cycle

• Use at least six of these terms: Magma, igneous, sedimentary, metamorphic, rock cycle, intrusive, extrusive, stratification, foliated, nonfoliated.

• Choose three terms and write one sentence about each one. (except rock cycle)

• You have 6 minutes to write

Rock & Rock Cycle

• Use at least six of these terms: Magma, igneous, sedimentary, metamorphic, rock cycle, intrusive, extrusive, stratification, foliated, nonfoliated

• Write about 3 more terms one sentence about each one. (Not the rock cycle)

• You have 6 minutes to write

Rock Cycle

• Final Day write about the Rock Cycle

• You have 6 minutes to write

ROCKS

Make a listOf the ways rock isUsed in your life.

• Use your imagination

SOLIDIFICATION

• Do you think rocks that cooled and solidified from lava on Earth’s surface would look different from those that cooled and solidified from magma inside the Earth?

• Why?

Volcanoes

• There are positive effects of volcanoes.

• Explain why people would live alongside potentially dangerous volcanoes?

Sedimentary

• How are layers in sedimentary rock like the rings in a tree?

• How are they different?• What information can geologists infer by

examining sedimentary rock?

Metamorphic Rock

• Write a brief description of how chocolate chip cookies are made.

• Consider how the mixture of raw ingredients is like sedimentary rock.

• Describe how cookie dough metamorphoses when it is baked in an oven.