Microorganisms

Most microorganisms cannot be seen without a

• Microscope

• Telescope

• Magnifying Glass

• Periscope

True or False: All microorganisms are harmful.

• False
• True

True or False: Microorganisms are living things.

• False
• True

Tags

NGSS.MS-LS1-1

Harmful or Helpful: Bacteria decomposes dead leaves and animals.

• Harmful
• Helpful

Tags

NGSS.MS-LS2-3

Helpful or Harmful: Microorganisms can cause diseases and sicknesses like chicken pox and malaria.

• Beneficial
• Harmful

Which of these microbes is harmful?

• Fungi used in antibiotics

• Yeast in bread

• Bacteria in yogurt

• Mold growing on fruit

Harmful or Helpful: Adding yeast to bread to help it rise.

• Helpful
• Harmful

Harmful or Helpful: Uncooked food contain bacteria called Salmonella.

• Harmful
• Helpful

Harmful or Helpful: Bacteria used to make yogurt.

• Helpful

• Harmful

How can algae be harmful?

• Destroys the ecosystem

• Acts a decomposer

• Causes bacteria to grow

• Causes Red Tide in Oceans

Tags

NGSS.MS-ESS3-4