Soils, Rocks, and Landforms

Landforms

100

earth material carried by moving water eventually stops moving and settles out

What is deposition?

200

the movement of pieces of weathered rock by water or wind

What is erosion?

300

Which landform forms as a result of deposition? a. valley b. arch c. canyon d. delta

d. delta

400

Most landforms take a long time to change. Which answer describes a way landforms change rapidly? a. erosion b. deposition c. earthquakes d. freezing water

c. earthquakes

500

Water flows fastest from the top of mountains because: a. it has the most water b. it has a steep slope c. it has the longest distance to flow

B. it has a steep slope

Rapid Changes to Earth

100

when a large area of soil, rocks and the plants on a steep slope suddenly slide downhill.

What is a landslide?

200

when the Earth’s surface shakes violently and can cause cracks

What is an earthquake?

300

place where volcanoes often occur

What is along a coastline?

400

when hot molten rock from below the Earth’s crust is able to rise up and flow out onto the Earth’s surface

What is a volcano?

500

3 ways the surface of the Earth can change rapidly

What are volcanic eruptions, earthquakes, and landslides?

Physical and Chemical Weathering

100

When acid rain changes the minerals in a rock, is this an example of physical or chemical weathering?

Chemical

200

When rocks break up as a result of physical forces

What is physical weathering?

300

when acid rain dissolves the minerals in a rock

What is chemical weathering?

400

When water fills cracks in rocks and freezes, it can break rocks apart. This happens because water ________ when it freezes. a. contracts b. evaporates c. expands

c. expands

500

Physical and chemical weathering are both processes that: a. dissolve rocks and form caves b. break earth materials into smaller pieces c. change earth materials into different materials d. use water to move rocks to new locations

b. break earth materials into smaller pieces

Soils

100

True or False: A mountain will last forever.

False!

200

Humus is a. the water in soil that makes it moist b. the dead plant and animal material in soil c. the name for the smallest pieces of earth materials in soil d. the layers of different earth materials that form soil

b. the dead plant and animal material in soil

300

Which combination of materials would make rich soil for growing plants?

a. pebbles, sand, and silt

b. gravel, sand, and clay

c. gravel, humus, and sand

What is c. gravel, humus, and sand?

400

List AT LEAST three materials that soil is made of:

Possible answers could be: pebbles, sand, water, humus, clay, gravel, air

500

During our investigations on soil we learned soil is broken down pieces of rock and humus.  What else did we discover is in soil?

What is air and water?