Show:
Soil
Rocks
Minerals
Rocks and Soil
Weathering
100
air, water, organic matter, weathered rock particles
What is soil composition?
100
This type of rock has larger crystals because of a longer cooling period
What is intrusive igneous
100
has a crystal structure, is a solid and naturally occuring.
What is a mineral
100
planting crops along the curves of the hills.
What is contour plowing?
100
Sediment carried by moving water breaks up rocks by the process of this
What is abrasion?
200
size of the soil’s rock particles
What is soil texture?
200
Naturally occuring and made up of one or more minerals
What is a rock?
200
The mineral property that describes if a mineral is metallic or nonmetallic.
What is luster?
200
can be added to soil to make it less acidic.
What is lime?
200
The physical breakdown of rocks
What is mechanical weathering?
300
Decayed organic matter in soil
What is humus?
300
This type of rock is made of layers of plant remains
What is sedimentary?
300
On this scale, one means softest and 10 means hardest
What is Mohs scale?
300
Created when heat and pressure are applied to a parent rock
What is metamorphic rock?
300
The breakdown of rock by acidic water (acid rain) is an example of this type of chemical weathering
What is dissolving?
400
sand, silt and clay
What is particle size of soil?
400
Rock inside the earth that has melted into a liquid
What is magma
400
This is not the best way to identify a mineral.
What is color of a mineral?
400
This soil Horizon is named Litter
What is O?
400
A tree is growing next to a sidewalk and causes it to crack. This is an example of which type of mechanical weathering.
What is plant root growth?
500
Planting crops along the curves of hills
What is contour plowing?
500
Material that settles out of wind or water
What is sediment?
500
This scale is used to determine if a substance is an acid or base?
What is the pH scale?
500
This soil horizon is also named parent material
What is C?
500
The force of expanding water in the cracks of a rock is an example of this type of mechanical weathering
What is ice wedging