Soil
Rock Cycle
Rock types
Soil 2
Variety
100
The basic component of soil is.
What is weathered rock?
100
The rock cycle is a _______ process that builds, destroys and changes the rocks in the Earth’s crust:
What is slow?
100
Igneous, Metamorphic, Sedimentary
What is the 3 basic types of rock?
100
The 4 main ingredients in soil are:
What is rock, organic matter, water, air
100
Roger poured water over a pile of sand. Some of the sand washed away. This process is similar to what?
What is erosion?
200
Plant roots, debris, bacteria, and fungi are
What are other components of soil?
200

Where would you expect to find metamorphic rock forming?

 Deep in Earth's crust

200
Cooled molten rock (magma) becomes:
What is igneous?
200
Leaching is the removal of nutrients and substances in soil due to:
What is water passing through the soil?
200
What of the following improves the fertility of soil by breaking down once-living matter and aerating soil?
What are decomposers? (worms, bacteria, fungi...)
300
The composition, texture and fertility of soil can also be influenced by:
What is worms, insects, rodents, and other organisms?
300
Compaction and cementation are vital in forming ______ rocks.
What is sedimentary?
300
This type of rock forms at the bottom of the ocean.
What is sedimentary?
300
In which soil horizon (layer of soil) would one expect to find the greatest amount of decayed organic matter?
What is A horizon/ topsoil?
300

True or False: A soil that plants grow well in has a mixture of rock particles and humus.

True

400
The relationship between parent rock and soil composition.
What is weathered parent rock is the largest component of soil.
400
The process responsible for breaking down rocks into smaller and smaller pieces through wind, water, ice, and movement?
What is weathering?
400

Ritchie finds a rock and wants to know what kind it is. The rock was found near his neighborhood pond, and when he broke it open he found distinct layers. What kind of rock did he find ?

What is a Sedimentary rock?

400
This type of soil is most fertile.
What is loam?
400
Which of these human activities most relies on high-quality soil?
What is farming?
500
Soil forms as ______ is broken down by weathering.
What is rock?
500
This type of igneous rock cools slowly and therefore forms large crystals.
What is intrusive?
500
When limestone is exposed to enough heat and pressure, it goes through physical changes. These changes can turn limestone into marble. What kind of rock is marble?
What is metamorphic?
500

This type of soil will INCREASE drainage.

Sand - large particles in sand allow water to pass through easily.

500
This type of igneous rock cools quickly.
What is extrusive?
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