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.

Tags

NGSS.MS-LS2-2

Yeast is used to make...

• rolls
• cakes
• pizza crust
• all of the above

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

Tags

NGSS.MS-LS2-3

Yogurt and cheese  can be produced from ___________.

• Bacteria
• Virus
• Protozoa
• Algae

The smallest microorganism on earth is known as  _____________

• a virus
• bacteria
• algae
• fungi

Algae and plankton are helpful microorganisms.

• True
• False

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3