Soil

Which rock particles is the largest?

• Sand

• Clay

• Silt

Which rock particle is the smallest?

• Sand

• Silt

• Clay

Humus is decayed living matter. It adds ________ to the soil.

• 
  nutrients

• worms

• sunlight

• smell

Tags

NGSS.MS-LS2-3

Soil is formed when_____ are broken down by weather, water and living things over long periods of time.

• rocks

• animals

• fossil fuels

• houses

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-1

Clay contains tiny particles of soil. Clay is:

• sticky, holds water well, and contains nutrients

• never sticky

• does not hold water well

• does not contain many nutrients

Students planted the same type of bean seed in two different pots.  One pot contained nutrient rich topsoil and the other contained subsoil.  Both plants were then measured after two weeks.  Which of these questions are the students most likely trying to answer?

• 
  Which bean plant will taste better?

• What type of soil helps plants grow better?

• Which type of bean plant grows faster?

• Which plant is the prettiest?

Tags

NGSS.MS-LS2-1

NGSS.MS-LS1-5

What can be a positive side effect of fire on a forest environment?

• It takes many years for the trees and plants to regrow.

• The burning fire causes the air to become polluted.

• The heat from the fire can allow some seeds to grow.

• After the fire, animals struggle to find food.

Tags

NGSS.MS-LS2-3

Choose two reasons why is it important to protect soil.

• It provides nutrients used by plants to help them grow.

• It contains many harmful pollutants.

• It is a good source of food for humans.

• 
  It provides support for plant growth.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

This image shows the effects flooding can have on soil erosion.  Which two statements are a possible problem caused by erosion?

• The air becomes polluted from the erosion caused by the flood.

• The erosion would have no negative effect on plant and animal life in that area.

• Topsoil, rich in nutrients, is washed away.

• 
  The erosion would have no negative effect on plant and animal life in that area.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-ESS2-2

Which of the following is the best example of soil conservation?

• Planting new shrubs in front of the school.

• Clearing land to build a new playground.

• Building a new skateboard park on school grounds.

• Digging up all the tulips in the school garden.

Tags

NGSS.MS-LS2-5