Soil and Their Uses

Which layer of soil is most important for plant growth?

• topsoil
• subsoil
• bedrock

Tags

NGSS.MS-LS1-5

What gives topsoil its dark color?

• rock particles
• more water
• larger rock pieces
• decaying living things

Which type of soil retains water the best?

• sand

• silt

• clay

• bedrock

Which type of soil does water flow through quickly?

• sand
• silt
• clay
• bedrock

Sand feels___________ and is made up of ____________ rock particles.

• smooth, large

• sticky, small

• grainy, small

• grainy, large

Silt feels _________________ in texture.

• grainy

• smooth

• like sand paper

• sticky

Which of these is a reason soil is an important resource?

• It helps plants grow
• It allows us to grow food
• It allows us a solid place to build homes and buildings
• all of the above

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-3

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

• clay
• sand
• silt
• mud

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

• loam
• humus
• soil
• dirt

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

Are there minerals in soil?

• Yes
• No