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15 questions
What is soil?
Pieces of sidewalk
Bits of rotten plants, animals, and weathered rocks
Leftovers from volcanoes
Crushed up Oreos
Humus is...
worms
potting soil layer of Earth
soil layer of decaying plant/animal matter
decaying rocks on top of the ground
Topsoil, Subsoil, and Bedrock are what?
The three main layers of soil
Types of plants
What houses are made of
Charles' favorite foods
The three types of soil are...
clay, dust, and dirt
mold, moss, and crust
clay, sand, and silt
sand, dust, and rust
What type of soil lets the most water to pass through it?
Silt
Sand
Clay
Humus has so much nutrients that what creature is found here?
Bats
Earthworms
Birds
Cows
What color is soil?
Hot pink
Navy blue
many colors (red, brown, gray, yellow, black, etc.)
Sparkly
Why is soil important for plant growth?
It makes the Earth's surface hard
It moves easily from one place to another
It does not let plants grow roots too deeply
It contains nutrients to help plants grow
Soil is a natural resource so it should be...
Thrown away
Easily found
Conserved (protected and valued)
Which of the following relies on soil for survival?
plants
animals
humus
all of the above
What is weathering?
Wearing down and breaking apart rocks
Rain
soil when it gets wet
Erosion
Why is it important to protect TOPSOIL?
It protects the layers underneath it.
It is necessary for landscaping
It grows plants and food
It's expensive
What is erosion?
When wind, water, and weather change a natural substance over time
When water gets into soil
When it hails
Snow that turns black.
Which layer is topsoil?
Closest layer to the ground we walk on
Middle layer with one above it and one below it
Deepest layer in the Earth
What is an example of protecting topsoil?
Eating it
Throwing it at our friends
Planting crops in it
Rolling in it
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