SANITATION

Bacteria is...

• Tiny living things that live on food, plants, animals, and soil.
• Large organisms that live on people.
• BAD!
• Little aliens that live on the moon!

Contamination is the presence of harmful substances in food.

• True
• False

What is the most cost-effective way to prevent disease?

• bug spray
• immunizations
• antibiotics
• water treatments

Does sewage reach rivers and seas?

• YES

• NO

Tags

NGSS.MS-LS2-5

Does the thawing of the glaciers increase the levels of fresh water?

• YES

• NO

Tags

NGSS.MS-ESS2-4

Does water pollution affect ecosystems such as wetlands?

• YES

• NO

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Bacteria need moisture to grow

• True

• False

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

What is the definition of bacteria?

• a poison that can cause illness

• a protected cell that develops into a bacterium when it has the right conditions

• a substance, such as a chemical or organism, that makes food unsafe to eat

• a living thing so small that it can only be seen through a microscope

What is an effect of drinking dirty water?

• Bad breath

• Diarrhea

• No effect

What is the first and most important step to prevent the transfer of bacteria?

• washing hands

• Using cutting board

• Keeping hot foods hot and cold foods cold

• Wearing snug shoes