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15
×
Besides "browns" and "greens," what are two other important things a compost pile needs to work?
Water and Oxygen (or Air).
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20
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Find the Lie: 1. Worms help aerate the soil. 2. A compost pile needs to be completely dry. 3. Food scraps are a "green" material.
Number 2 is the lie. (A compost pile needs water).
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20
×
ind the Lie: 1. The final product of composting is called humus. 2. Composting is bad for the environment. 3. Food scraps are rich in nitrogen.
Number 2 is the lie. (Composting is good for the environment).
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10
×
What is the name for the final, nutrient-rich soil that compost creates?
Humus.
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15
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Odd One Out: Worms, Bacteria, Sunlight, Microorganisms. Which one doesn't belong and why?
Sunlight (It provides energy/heat, but it is not a decompose
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20
×
Unscramble this sentence: the / matter / decompose / Microorganisms / organic .
Microorganisms decompose the organic matter.
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10
×
Complete the sentence: "After many weeks, all the leaves and food scraps turn into..."
Humus (or nutrient-rich soil).
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lifesaver
Give 10 points!
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rocket
Go to first place!
Okay!
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gift
Win 20 points!
Okay!
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lifesaver
Give 25 points!
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15
×
Unscramble this sentence: in / carbon / are / Brown / rich / materials .
Brown materials are rich in carbon.
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lifesaver
Give 5 points!
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gold
Win 50 points!
Okay!
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gift
Win 25 points!
Okay!
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baam
Lose 25 points!
Oops!
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heart
Other team wins 25 points!
Oops!
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seesaw
Swap points!
Okay!
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shark
Other team loses 25 points!
Okay!
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thief
Give points!
5
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25
10
×
What is an example of a "green material"?
Food scraps, vegetable peels, or grass.
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10
×
Unscramble this sentence: soil / the / to / Worms / mix / help .
Worms help to mix the soil.
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monster
Reset all scores!
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rocket
Go to first place!
Okay!
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shark
Other team loses 20 points!
Okay!
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banana
Go to last place!
Oops!
15
×
Odd One Out: Leaves, Sticks, Brown Paper, Grass. Which one doesn't belong and why?
Grass (It's a "green" nitrogen material, the others are "brown" carbon materials).
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10
×
healthy / grow / Compost / plants / helps .
Compost helps plants grow healthy.
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