Biodegradable and Non-biodegradable Waste

___ is waste obtained from plants and animals.

• Biodegradable waste

• Non-biodegradable waste

___ is waste that does not decay.

• Biodegradable waste

• Non-biodegradable waste

Leaves and paper are examples of ___.

• Biodegradable waste
• Non-biodegradable waste

Metal cans and plastics are examples of ___.

• Biodegradable waste

• Non-biodegradable waste

Which of these can be decomposed?

• Egg shells

• Leaves

• Pizza crust

• All of these

Tags

NGSS.MS-LS2-3

Biodegradable waste can be transformed into fertilizer by a process called ____.

• Composting
• Recycling
• Reusing
• Wasting

Tags

NGSS.MS-LS2-3

Which of the following materials is non-biodegradable?

• plant waste

• paper

• plastic

• yard waste

Tags

NGSS.MS-PS1-3

Non-biodegradable:

• Cannot be broken down by biological process.

• A discarded solid material, such as garbage, refuse, or sludges

• Capable of being broken down by biological processes, such as the action of bacteria.

• A liquid that has passed through solid waste and has extracted dissolved or suspended materials from that waste, such as pesticides in the soil.

Why are non-biodegradable plastics a problem in the environment?

• They do not decompose or break down naturally

• They can cause dead zones

• They are filling up lakes and ponds

• They contain poisons for wildlife

Tags

NGSS.MS-LS2-3

NGSS.MS-PS1-3

What returns most organic waste into an ecosystem?

• decomposers

• Predators

• Insects

• Photosynthesis

Tags

NGSS.MS-LS2-3