soil
soil
soil
soil
soil
100
This is rock breaking.....
weathering
100

this is rock moving from its original position

erosion

100

What provides nourishment for plants?

nutrients

100

Which type of soil retains the LEAST amount of water?

gravel

100

What are the properties of soil?

color, texture, ability to retain water?

200
Why is rainwater NATURALLY acid rain? (the water in the air mixes with what?)
water and CO2 makes carbonic acid.
200

What is the top layer of soil called?

topsoil

200

Where would you likely find rocks that have become smooth and rounded?

fast-moving water

200

acid rain causes ______ weathering

chemical

200

Breaking down of something over time by wind, water, ice

weathering

300
what are the three soil particles? name them in order from the largest to the smallest. [gravel is not one]
(biggest ) sand then silt then clay (smallest)
300

what is the rock layer called beneath the soil?

bedrock

300

In order to find out which soil is best for water retention, would you choose the beaker with the most water after 5 minutes or the least?

least

300

How are valleys created?

running water (erosion)

300

Give 1 reason why soil is important.

It helps to provide nutrients to plants, which provide oxygen for us

400

A type of soil containing clay and humus

loam

400

What is another word for how much water soil can hold?

retain

400

this type of soil is ideal for growing plants?

loam

400

What is deposition?

dropping of sediments into a new place

400

The movement of sedimnet is called....

erosion

500

What soil is the decomposition of leaves and other plant material

humus

500

What will cause a rough rock to turn smoother over time?

Running water over the rocks for a long period of time

500

Which property of soil could you tell by rubbing it between your fingers?

texture

500

What can wind over time cause near the beach?

sand dunes

500

What is the basic material for soil formation?

weathered rock

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