Changing Earth's Surface

The process of breaking up Earth's surface into sediment is called...

• sediment
• erosion
• weathering
• deposition 

What is sediment?

• the process of rocks being broken down and carried away
• bits of rock, sand, and silt caused by the weathering of rocks
• the top layer of the soil
• decaying plant or animal material 

Which of these is an example of erosion

• Light Shinning onto a mountain
• Rain breaking down rock 
• Wind blowing away sediment
• All of the above

What happens when weathering and erosion work together?

• New Mountains are created
• The climate changes overnight
• Metal objects become rusty
• They change the Earth's surface

What is the major cause of weathering and erosion to form canyons?

• wind
• ice
• glaciers
• moving water

How do plants weather rocks?

• during photosynthesis
• when roots grow into cracks of rocks and expand the rock
• when the plant moves water from the roots to the leaves
• Plants don't weather rocks

Which agents  break down earth materials?

• wind only
• earthquakes and gravity
• ice and 007
• wind, water, and ice

What does abrasive mean?

• in a mistaken way : WRONGLY; in a faulty way : IMPERFECTLY

• absence of government, a state of lawlessness or political disorder due to the absence of governmental authority, a utopian society of individuals who enjoy complete freedom without government

• causing damage, wear, or removal of surface material by grinding or rubbing : tending to abrade; causing irritation

• of unknown authorship or origin, not named or identified, lacking individuality, distinction, or recognizability

When I mix sugar in my tea, the sugar ________. I am left with a _______ of tea and sugar. Yum.

• dissolves; type

• solution; dissolve

• dissolves; solution

• evaporates; cup

_______ can dissolve in water, making the water muddy.

• Sediment

• Carrots

• Windex

• Grades