Earth/Space

Changes in landforms can be slow or fast.  Which is an example of a slow change?

• Landslide
• Earthquake
• Volcanic eruption
• Weathering

What is the process called that wears away rocks and minerals?

• gravity
• erosion
• weathering
• layers

Soil is made up of:

• tiny pieces of rock, water and air
• decomposed plant and animal remains
• tiny pieces of rock, water, air, decomposed plant and animal remains
• none of the above

Humus is:

• the most rich and nutritious part of soil
• found in the bedrock
• tiny pieces of rock
• none of the above

What happens to rock that is weathered?

• It gets bigger
• It gets smoother.
• It changes colors.
• It stays the same.

What causes the slowest change to the Earth's surface?

• weathering
• earthquakes
• landslides
• volcanoes

Earthquakes are caused when sections of the Earth's crust move. True or False

• True
• False

What part of earth is most likely formed by wind and water?

• A growing forest
• the creation of an island
• the formation of a canyon
• the formation of a volcano

What is decomposition?

• the breaking down of leaves, grass and twigs in a container with a lid
• writing a paper
• using a simple machine
• creating a canyon

Placing cookies in a bag and shaking them hard is similar to a process called

• melting
• volcano
• weathering
• landslide