Composting Process
What is composting?
Decayed organic material used as fertilizer
What sized lumber do we need for the 4 posts?
4" x 4" x 12'
What is the definition of decomposition?
The state or process of rotting, decay
Delivery for wood from Home Depot is a flat rate of $88. The Home Depot is 4.3 miles from you. How much are you paying per mile for delivery?
$20.47
What is an ecosystem?
A system that includes all living organisms in an area as well as its physical environment functioning together as a unit
What are things we can use in compost?
Discarded fruits, veggies, landscaping excess
How many pieces of 2" x 6" x 3' can we cut from lumber measured at 2" x 6" x 14'?
4
Describe photosynthesis
The process in which plants use sunlight, water, and nutrients (Carbon Dioxide) to create food and energy. It has an output of oxygen
2" x 6" x 14' lumber costs $21.95. State tax is 5.6%. What is the cost for a single piece of lumber after tax?
$32.65
What is a community
The assemblage of interacting organisms (either of the same or different species) coexisting in a particular area and time
What are 3 different kinds of composting?
Cold compost, worm compost, hot compost
How much area will you need for 2 compost bins if each bin measures 3' x 3' at it's base?
What do chloroplasts do?
Convert energy from the sun into chemical energy that plants use to make food
A 4” x 4” x 12’ piece of lumber at Home Depot costs $30.92. AZ state tax is 5.6%. What is the cost for a single piece of lumber measuring at 4” x 4” x 12’ after tax?
$32.65
What is an example of 3 different ecosystems?
Temperate Forest, Desert, Grassland, Tundra, Rainforest, Arctic, Ocean
What is the ideal temperature for hot composting?
140 degrees F
If you cut 4pcs of 2" x 6" x 3' lengths from a piece of lumber that is 14' long, what percentage is left?
14.29%
What organisms use cellular respirations
Animals, humans, decomposers
4" x 4" x 12' lumber is $30.92 each. Tax is 5.6% of the total price. It is on sale for buy one get one 25% off. What is the total price if we buy 4 after tax?
$114.68
What are 3 ways humans can help sustain an ecosystem?
Recycle, Compost, Use energy saving light sources, Eat foods that come from organic or eco friendly sources
What is the chemical ratio and chemical components for hot compost
30 parts carbon for 1 nitrogen
30:1
If each bin measures 3' x 3' x 3', what is the volume of both bins combined?
54
Describe the food cycle
Plants create food by using energy from the sun. Humans and animals eat plants to get energy using cellular respiration. Humans also eat animals for energy. Decomposers consume food and animal waste and create nutrient soil. Plants then use that soil to grow.
Gas prices are currently at $4.39 per gallon. Your car’s gas mileage averages at 22 miles per gallon. How much money in gas does your car use per mile? How much will it cost in gas to pick up the materials if the Home Depot is 5.4 miles away?
$1.08
What are 3 negative side effects of humans changing an ecosystem?
Endangerment of animal species, Global Warming, Water pollution, Light pollution, Air Pollution