Quiz 6

An earthworm is something that is ___________.

• living

• nonliving

• soil

• reptile

A layer of earth where plants and animals live and grow is _________.

• bed rock

• parent rock

• nonliving

• soil

___________ is the layer of soil where dead leaves and organic material lays.

• organic

• nonliving

• humus

• parent rock

Which type of soil can hold the greatest amount of water?

• sand
• silt
• clay
• loam

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

• clay
• silt
• sand
• gravel

It is important for soil to retain water to 

• withstand weathering
• erode more slowly
• help plants to grow
• keep it from being dry

This type of soil feels gritty.

• sand

• silt

• clay

• humus

Soil is made of

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

Soil is made up of three types of particles called...

• loam, humus, sand

• sand, silt, clay

• humus, topsoil, clay

• loam, topsoil, humus

Ellen grabs a topsoil sample in her hand. She rolls it into a ball. The soil feels gritty and the ball falls apart. What property of soil is Ellen testing?

• color

• texture

• ability to support plant growth

• water retention