WEEK 5 : MICROORGANISMS

Are microorganisms helpful or harmful?

• Helpful

• Harmful

• Both

• Neither

Yogurt contains harmful bacteria.

• True

• False

Both __________ and ___________ are a type of fungus

• mold, viruses

• viruses, yeast

• bacteria, mold

• mushrooms, mold

Yeast makes bread, rolls, and cakes rise.

• True

• False

Most microorganisms cannot be seen without a

• microscope

• telescope

• periscope

• spectroscope

Why should cooked and uncooked food be stored separately?

• Because bacteria only like cooked food

• Because bacteria only like uncooked food

• To stop bacteria from spreading to one another

Amoeba is a

• bacterium

• fungus

• virus

• protozoa

Four students in Ma. Ruden's class makes the following observations. Choose which student is correct

• Shelby says that all microorganisms are found in the ocean. Some are helpful, but some are harmful. It's best to shower after swimming at the beach.

• Jonathan says it's impossible to become sick from bacteria. Only viruses and fungi can make a person sick. Make sure to sneeze in your elbow to prevent the spread of germs.

• Garry says that all microorganisms are harmful. This is why we must get vaccinations and antibiotics from the doctor.

• Ireland says that some microorganisms are helpful and some are harmful. The best way to protect ourselves from harmful microbes is to wash our hands with soap and water.

Harmful or Helpful: Mold Growing on fruit and other foods that were left out

• Harmful

• Helpful

Harmful or Helpful: Bacteria decomposes dead leaves and animals

• Harmful

• Helpful