Soil and Rocks

Which of the following is not a type of soil?

• minerals

• clay

• topsoil

• sand

The organic matter in soil is....

• humus

• bits of rock

• minerals

• all of the above

Tags

NGSS.MS-LS2-1

The four main ingredients of soil are....

• wind, water, ice, and humus

• water, air, rocks, and humus

• worms, ice, rocks, and air

• water, air, rocks, and worms

What soil is best for growing plants?

• clay

• sand

• mud

• topsoil

Tags

NGSS.MS-LS1-5

Soil is only dirt.

• true

• false

Justine digs in her garden. She sees many things in the soil.

Which nonliving things might Justine see in the soil?

• earthworms

• rocks

• weeds

• spiders

Tags

NGSS.2-PS1-1

Soil is formed over a long time. Which sentence best tells how soil forms?

• Soil forms when rocks break down and mix with dead plants and animals.

• Soil forms when a lot of rain falls on the ground at once.

• Soil forms when sand is mixed with water.

• Soil forms when large rocks break down and turn into sand and water.

Tags

NGSS.MS-LS2-3

Frank wants to grow some bean seeds in a flowerpot. Which soil should Frank put in the pot?

• soil with a lot of clay

• soil with a lot of sand

• soil with a lot of rocks

• soil with a lot of humus

Tags

NGSS.MS-LS1-5

This type of soil has the smallest particles and feels smooth and sticky.

• sand
• silt
• clay

This type of soil holds water better than sand, but not as much as clay.

• sand
• silt
• clay