Chemistry
Environment
Scientific Research
100

The special material in a diatom's cell wall

What is glass/silica?

100

The environments/ places diatoms can be found in

What are oceans, rivers, lakes, streams, ponds, and moist soils?

100

The tool scientists use to observe diatoms closely

What is a microscope?

200

Diatoms take in [this chemical compound] from the atmosphere

What is CO(carbon dioxide)?

200

An animal that eats diatoms

What are whales, mussels, clams, oysters, fish, snails, sponges, small crustaceans, insect larvae (filter feeders!)

200

Diatoms are able to make their own food, so they are called _______.  Hint: producers, consumers, or decomposers

What are producers?

300

Diatoms produce 20-30% of [this element] in the atmosphere

What is O(oxygen)?

300

Diatoms produce more _____ than all land plants, including trees!

What is oxygen?

300

The size of diatoms

What is microscopic/the width of a human hair?

400

The name of the process of creating food and oxygen from COand water using sunlight.  Hint: algae and plants do this

What is photosynthesis?

400

Organisms that tell us how healthy their environment is.

What are bioindicators? Diatoms' abundance and diversity can indicate how healthy a body of water is.

400

The kingdom diatoms belong in.   Hint: the names of the kingdoms include Plant, Animal, Fungi, Protista (i.e. algae), and Monera (bacteria)

What is Protista?