Unit 9 TEST REVIEW: Soil and Agriculture

Which of the following is NOT one of the three types of soil?

• clay
• sand
• silt
• mud

Tags

NGSS.MS-ESS2-1

_______ is the type of soil used most often with plants. It is a mixture of clay, sand, and silt.

• loam
• humus
• mud
• dirt

Tags

NGSS.MS-LS2-3

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-LS2-3

Ellen grabs a topsoil sample in her hand. She rolls it into a ball. The soil feels gritty and the ball falls apart. What part of the topsoil most likely made the topsoil feel gritty?

• clay
• sand
• silt
• humus

When plants, animals, and other organisms die, they break down and become part of the soil. What is this part of the soil called?

• sand
• silt
• clay
• humus

Tags

NGSS.MS-LS2-3

Which of the following is the largest particle in soil?

• sand
• silt
• humus
• clay

You dig a small hole in the soil and the next day it rains. The hole fills with water, but does not empty even after several days of dry weather. What is the soil mostly made of?

• clay
• sand
• humus
• silt

Tags

NGSS.MS-ESS2-4

Which layer of soil are these roots growing in?

• subsoil
• topsoil

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-5

What is a soil problem all farmers face?

• soil hardening
• soil erosion
• soil spoiling
• soil pollution

Tags

NGSS.4-ESS2-1

Decayed organic material turns into dark colored material called __.

• litter
• clay
• humus
• soil

Tags

NGSS.MS-LS2-3