6th Grade Soil Conservation

Which of the following is not caused by soil pollution?

• better food and water
• cancer
• birth disorders
• starvation

Why is it important to monitor the soil?

• our food depends on it
• it is not an inexhaustible resource
  
• it can be destroyed by bad management practices
• all the choices are correct

The pedosphere refers to earth's

• soil
• water
• air
• rocks

When a farmer plants a crop directly after harvest in order to protect the soil from erosion this is called a

• crop rotation
• cover crop
• conservation plowing
• contour plowing

A farmer getting ready to plant his crop on a hillside might plow in curing lines known as

• conservation plowing
• cover cropping
• contour plowing
• crop rotating

Planting the same crop every year can use up soil nutrients. Instead farmers often plant a different crop in the same field each year known as

• cover crop
• crop rotation
• conservation plowing
• contour plowing

Plowing can leave soil vulnerable to erosion. Instead farmers sometime plant without plowing called

• cover crop
• conservation plowing
• contour plowing
• crop rotation

Remote sensing is

• observation/measuring without touching
• measuring in a science lab
• measuring on the ground
• not real

Remote sensing to observe changes in the soil is done from plane or ________ using lasers or photography.

• boat
• satellite
• car
• on foot

Remote sensing can allow scientists to predict and suggest solutions for protecting our ______.

• atmosphere
• lithosphere
• pedosphere
• asthenosphere