Humus is.....

• the dead parts of plants and animals in soil.
• A food we eat with pretzels.
• The tiny particles inside of soil
• The roots that come off of a plant and live in soil.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

According to our lab on soil and water absorption, which soil held the most amount of water?

• Clay
• Potting Soil
• Gravel
• Sand

What is the first step of soil formation?

• humus decomposing
• nitrates being absorbed by the plant roots
• weathering of parent rock
• climate changing

What is soil composed of?

• weathered rock
• minerals
• living things
• all of the above

Tags

NGSS.MS-LS2-3

Which of the following processes will most likely contribute to the development of soil?

• Volcanic eruptions that make new land
• Building up of snow in very cold areas
• Migration of animals to warmer climates
• Breaking down of rock by wind, water, and ice

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

The soil horizons are different from the other based on their

• Chemical and physical features.

• Physical features mainly colour and texture.

• Chemical features only.

Which of the characteristics describes C horizon of soil profile?

• Consist rocks and big particles

• Have large masses of rocks

• Poor in organic matter

• Plants root do not penetrates into the layer.

• Have less humus

The parent rock from which soil is formed influences :

• Colour and texture

• Moisture

• Mineral content

• Chemical property

• Permeability

Tags

NGSS.MS-ESS2-1

THIS HORIZON IS MADE OF DECAYING LEAVES, TWIGS AND ANIMAL REMAINS/WASTES......

• A
• B
• C
• O

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

RICH IN MINERALS, SUCH AS IRON AND ALUMINUM.......

• O
• A
• B
• D

Tags

NGSS.MS-ESS3-1