Composting and Decomposition Concepts

What is found inside a compost bin?

• Only worms and dirt

• Tiny living things, worms, and rotting vegetables

• Only fresh fruits and vegetables

• Plastic and metal waste

What harmful gas is created when food waste sits in a landfill?

• Oxygen

• Carbon dioxide

• Methane

• Nitrogen

How do composters help the environment?

• They make more food waste.

• They create more greenhouse gases.

• They reduce food waste and harmful gases.

• They make the air dirty.

Which of these is an example of "brown waste" for composting?

• Watermelon rinds

• Vegetable peelings

• Ripped-up newspaper

• Grass clippings

Which of these is an example of "green waste" for composting?

• Egg cartons

• Crunchy old leaves

• Newspaper

• Food scraps

What plays an important part in things rotting and breaking down?

• Light

• Temperature

• Wind

• Sound

Why is the inside of a compost bin usually warm?

• It is made of thick, dark plastic that holds heat.

• It is placed in direct sunlight.

• It has a heater inside.

• It is painted a bright color.

What happens when tiny living things called microorganisms break down waste in a compost bin?

• They make the waste colder.

• They make the waste smell bad.

• They generate heat.

• They turn into worms.

What happens to the decomposition process if the compost bin gets too cold?

• It speeds up.

• It slows down.

• It stops completely.

• It creates more heat.

What is vermicomposting?

• A way to grow plants without soil.

• A special type of composting that uses worms.

• A method to make worm tea for drinking.

• A process that makes waste colder.