Soil Rocks
What are the smallest category of rock pieces; they are too small to see with a hand lens?
clay
Provides nutrients and helps soil retain water.
What is one example of physical weathering?
rocks falling in landslide, rocks hitting one another in moving water, waves knocking rocks around; wind
What is a rock that is composed of smaller pieces like clay, silt, sand, gravel, and pebbles?
conglomerate
Any natural resource that makes up Earth, including soil and water is?
earth material
What are rocks that are smaller than pebbles but bigger than sand? Rock that is between a grape and a rice grain.
gravel
What is the loose top layer of Earth's surface?
Soil
What is rocks rubbing, grinding, and the bumping of rocks that causes physical weathering?
Abrasion
To become hard or stiffened due to loss of heat.
Freeze
What is a solid earth material that is made of two or more minerals?
rock
What are rocks that are smaller than gravel, but bigger than silt? These rocks are the size of rice down to salt grain.
Sand
What are the rock materials that can be found in soil?
pebbles, silt, clay, sand and or gravel
In the video, what did the water do when water froze?
expanded
What is an igneous rock that forms inside of Earth?
granite
What is a mix of humus, sand, silt, clay, gravel, and/or pebbles?
Soil
What are rocks that are smaller than sand, but bigger than clay. These rocks are still visible with your eyes.
Silt
What is a bit of dead plants and animal parts?
Humus
What is the process by which larger rocks crack and break apart over time to form smaller rocks?
weathering
What is a representation of the features and actions of a natural system or process?
Bits of dead plants and animals that is found is soil?
humus
What are the largest category of rock pieces in soil? These rocks are the size of a grape to a golf ball.
Pebble
What is soil made of?
A mix of humus, sand, silt, clay, gravel, and/or pebbles.
What is physical weathering?
Rocks breaking down into smaller pieces without changing what the rock is made of.
Rocks breaking down into smaller pieces without changing what the rock is made of is?
physical weathering
What is clay?
The smallest category of rock pieces, too small to see with a hand lens.