Soil

Soil is made of

• weathered rocks and minerals
• dead plants and animals
• air and water
• all of the above

Tags

NGSS.MS-ESS2-1

The very top layer of soil is mostly made of

• Solid rock 
• Clay and mineral deposits
• A mixture of minerals and organic material
• Mostly organic material (humus)

Tags

NGSS.MS-LS2-3

Which layer of soil is on the bottom?

• topsoil
• subsoil
• bedrock
• bottomsoil

Tags

NGSS.MS-ESS2-1

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

• topsoil
• undersoil
• subsoil
• bedrock

Tags

NGSS.MS-ESS2-1

Decayed organic material in soil is called______.

• Litter
• Silt
• Humus
• Clay

Tags

NGSS.MS-LS2-3

What does weathering mean?

• To form or create new
• To build up
• To break down
• To completely destroy

Tags

NGSS.MS-ESS2-2

Which of the following is the largest particle in soil?

• sand
• silt
• humus
• clay

The top layer of soil is called ________.

• bedrock
• topsoil
• subsoil
• grass

This is found in the topsoil and is made of decaying plants and animals. 

• dirt
• water
• humus
• subsoil

Tags

NGSS.5-LS2-1

This type of soil is sticky when wet and hard when dry. 

• clay
• silt
• sand
• gravel