Curious Scientist - 3rd Grade Exam

What is a natural resource? Marca solo un óvalo.

• a) Something made by people

• b) Something found in nature that people use

• c) A type of food

Which of the following is a renewable resource? Marca solo un óvalo.

• coal

• water

• plastic

What does biodegradable mean?

• a) Can be reused forever

• b) Can decompose naturally

• c) Is made from metal

Which of the following is non-biodegradable? Marca solo un óvalo.

• Food scraps

• Paper

• Glass

What is garbage? Marca solo un óvalo.

• Things we can recycle

• Waste that we throw away

• Food we eat

What is an organic material? Marca solo un óvalo.

• A material made from living things

• A material made from rocks

• A type of plastic

What is an inorganic material? Marca solo un óvalo.

• A material that comes from plants and animals

• A material that does not come from living things

• A type of food

Deforestation is the cutting down of trees.

• True

• False

Water pollution can harm fish and other animals.

• True

• False

Composting helps reduce waste.

• True

• False