this is rock moving from its original position
erosion
What provides nourishment for plants?
nutrients
Which type of soil retains the LEAST amount of water?
gravel
What are the properties of soil?
color, texture, ability to retain water?
What is the top layer of soil called?
topsoil
Where would you likely find rocks that have become smooth and rounded?
fast-moving water
acid rain causes ______ weathering
chemical
Breaking down of something over time by wind, water, ice
weathering
what is the rock layer called beneath the soil?
bedrock
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
How are valleys created?
running water (erosion)
Give 1 reason why soil is important.
It helps to provide nutrients to plants, which provide oxygen for us
A type of soil containing clay and humus
loam
What is another word for how much water soil can hold?
retain
this type of soil is ideal for growing plants?
loam
What is deposition?
dropping of sediments into a new place
The movement of sedimnet is called....
erosion
What soil is the decomposition of leaves and other plant material
humus
What will cause a rough rock to turn smoother over time?
Running water over the rocks for a long period of time
Which property of soil could you tell by rubbing it between your fingers?
texture
What can wind over time cause near the beach?
sand dunes
What is the basic material for soil formation?
weathered rock