Soil and Weathering

Soil is made of

• Weathered rock
• decomposed plants and animals
• air and water
• all of the above

Soil is formed 

• very quickly
• after a few weeks
• over thousands of years
• by magic

Soil comes in a many textures and colors

• True
• False
• I don't know

All grains of soil are the same size

• True
• False
• I don't know

Weathering is 

• Movement of rocks and soil by wind, water, or ice, people and animals
• The process of rotting or breaking down material into smaller parts
• The natural wearing down or breaking down of rocks
• he state of the atmosphere at a place and time 

Movement of rocks and soil by wind, water, or ice, people and animals is called

• Decompostion
• Erosion
• Weathering
• Deposition

Rotting or breaking down material into smaller parts is called

• decomposition
• erosion
• weathering
• soil

Decomposition helps plants because

• it makes the soil smell bad
• adding nutrients to the soil that plants need
• it doesn't help the plants

Water gets into the cracks and crevices of rock and freezes, causing the rock to break and occasionally even shatter

• Erosion
• weathering
• decomposition

The force of the Earth's gravity pulling on a section of rock, dirt, or land on a steep grade like a mountain, cliff, or hillside. Over time, the soil or rock becomes loose and slides downward due to the gravitation pull.

• Erosion
• weathering
• decomposition