Micro-Organisms

Most microorganisms cannot be seen without a...

• microscope
• magnifying lens
• telescope
• x-ray machine

Which is a true statement?

• All microorganisms are harmful.
• All microorganisms are beneficial.
• Some microorganisms are harmful while others are beneficial.
• Microorganisms are beneficial only to humans.

What is the cause of the common cold?

• bacteria
• cold temperatures
• sneezing and coughing
• viruses

What is a way that you can protect yourself from microorganisms that can live on food?

• Store uncooked meats in a refrigerator or freezer. 
• Wash hands with soap and water before and after handling food.
• Cook chicken and other raw meats thoroughly.
• All of the above

Which best describes where you would find microorganisms?

• in ponds, lakes, and oceans.
• in animals, plants, and humans.
• on food that has rotted.
• everywhere around us.

______________ helps us  digest our food and they produce needed vitamins.

• Bacteria
• Fungi
• Protozoa
• Algae

Algae and plankton are helpful microorganisms.

• True
• False

Salmonella and E. Coli can be found on ________________ and ________________ so it is important to cook all meat to kill bacteria.

• Waffles and scrambled eggs
• Broccoli and steamed corn
• Eggs and raw chicken
• Sushi and Toaster Strudel 

Harmful bacteria produces cheese.

• True
• False

Mold helps dead things (plants, animals)...

• Grow
• Decay
• Sleep
• Reproduce