Which property of rocks describes the way a rock feels?
Texture
100
What is the top layer of soil where dead plants and animals that are decaying would be found?
Humus/Grass
100
What are the 4 types of soil?
Clay, sandy, silt and loam
100
True or False: Some plants grow better in certain types of soil.
True
100
Which word describes what happens when rocks slowly break down or get worn away until it is part of the soil?
Weathering
200
What property of rocks describes if there are imprints of dead plants and animals?
Fossils
200
Which layer of soil would you find many worms, roots and humus and is right under the grass?
Top soil
200
Which type of soil is fine sand and earthy material carried by water?
Silt
200
Which soil is not good for growing most plants and food because it holds TOO MUCH water?
Clay
200
Which word describes when forces such as wind, running water, glaciers and waves pick up things like rocks and dirt from Earth's surface and move them?
Erosion
300
Which property of rocks can be described with either striped patterns or sections/steps/cut outs into rocks?
Layers
300
Which layer of soil would you find a lot of clay?
Subsoil
300
Which type of soil has a lot of humus and the other 3 types of soil in it? It is usually dark brown, soft and crumbly.
Loam
300
Which soil is not good for growing most food because it DOES NOT hold enough water?
Sandy
300
Which type of weathering when a force moves over rocks and makes them smooth and it also can dissolve all parts of a rock?
Water weathering
400
Which property of rocks describes small holes created by wind erosion?
Air holes
400
Which layer of soils would be hard with a lot of rocks?
Rockbed
400
Which type of soil is light brown/tan and feels like a handful of sugar?
Sandy
400
Which type of soil is the best for growing plants?
Humus
400
Which type of weathering describes a force that blows sand over rocks and causes them to wear down by rubbing them?
Wind weathering
500
Which property describes how hard or crumbly a rock is?
Strength
500
Which 4 things mixed together cause soil to form?
Humus, water, air and bits of rock.
500
Which type of soil is sticky and reddish brown?
Clay
500
Why is loam the best soil for growing plants?
It has a lot of humus in it, the decaying plants and animals give the plant nutrients to grow, it holds the perfect amount of water (all answers would be correct)
500
Which type of weathering is caused when water freezes in the cracks of ice and causes them to break apart over time?