Exploring Soil: Types, Properties, and Earth's Changes

Soil is important for which of the following?

• Plants

• Animals

• Humans

• All of the above.

Clay often wet due to ______.

• Poor drainage

• Lots of plant material

• High iron content

• Sand

Which of the following has the smallest particles?

• Gravel

• Sand

• Silt

• Clay

Which type of soil is sticky and holds lots of water?

• Sandy soil

• Clay soil

• Silt soil

• Loam soil

How does wind change soil over a long period of time

• adding nutrients to the soil

• moving particles

• accumulating (piling up) on rocks

• helps soil hold on to water

What type of soil would you use for a garden?

• Sandy soil

• Clay soil

• Silt soil

• Loam soil

Which of the following is true about weathering?

• It happens quickly

• It happens slowly over time

• It only happens in deserts

• It only happens in the ocean.

Erosion happens ______ than weathering.

• Slower

• Faster

• At the same speed.

Which rock has likely been in a fast-moving river for a long time?

• A sharp, jagged rock

• A smooth, round rock

• A large, flat rock

• A small, pointed rock

Which type of soil is least able to hold water?

• Clay soil

• Sandy soil

• Loamy soil

• Silty soil