A hard, solid part of Earth; can be different sizes
What is a rock?
When do plants and animals become a part of soil?
When they die and decay.
A small, rounded stone
What is a pebble?
Mrs. Redding's class collects soil samples.
Which cup contains humus?
Soil 4
Material would you be digging through if you tried to dig to the middle of the Earth
What is mostly rock?
A layer of loose material that cover's part of Earth's surface
What is soil?
Miss Cornelio Looked at three types of soils under a hand lens, which soil sample is sandy soil?
Sample A
This type of soil does not hold enough water and would not be good for growing plants
What is sandy soil?
Properties that can be used to describe rocks or soil
What is color, texture, shape, size, weight?
All soil is made of these three things
What are air, water, and bits of rock?
Miss Keinath and Miss Mendoza collect soil and put them in funnels. They add the same amount of water to each funnel. What type of soil is C?
Clay soil
How rocks break down in the environment
What is wind, rain, and ice?
A very large rounded piece of rock
What is a boulder?
A part of soil that has bits of decayed plants and animals
What is humus?
What is loam made of?
A mixture of clay, silt, sand, and humus.
What type of soil do farmers grow their plants in?
Loam
Ways people use rocks in everyday life
What is to build things, jewelry, roads, etc.?
This is the stickiest type of soil
What is clay?
Miss Winslow shook a jar of water with rocks in the the jar. When she opens it she sees broken pieces of rock. What part of soil formation is she trying to show?
Breaking up of larger rocks
The type of soil that is crumbly and soft
What is humus?