What is composted of bits of decayed plants and animals?

• mineral

• soil

• humus

• grain

What is a solid, non, living material found in nature?

• soil

• mineral

• grain

• humus

Tags

NGSS.MS-ESS2-3

What is the word for a small part of a rock or soil?

• mineral

• grain

• rock

• humus

What material from Earth is made up of bits of rock, decayed matter, air and water?

• mineral

• humus

• rock

• soil

Tags

NGSS.MS-LS2-3

Which of the following is an example of an Earth material?

• water in a cup

• the apple on a tree

• the soil in the ground

• the plant in a fish tank

Tags

NGSS.MS-ESS2-1

Which of these is a mineral?

• clay

• sand

• silver

• humus

Tags

NGSS.MS-ESS3-1

Both rocks and soil can best be described as materials that

• have the same color

• have the same grain size

• are made mostly of humus

• are naturally found on Earth

Timmy has a piece of a mineral, but he does not know which mineral it is. Which property of the mineral should he test to learn its name?

• streak

• layers

• color

• size

Tags

NGSS.MS-PS1-2

Which statement describes the texture of sandy soil?

• it drains slowly

• it has large grains

• it contains a lot of humus

• it is usually brown in color

_________ is the largest size of rock?

• gravel

• sand

• boulders

• clay