Microorganisms

Microorganisms are too _____ to directly observe?

• large

• rare

• small

• far

Which are bigger: humans or microorganisms?

• humans

• microorganisms

Are all microorganisms the same size?

• Yes

• No

Which of these is smaller than microorganisms?

• Atoms

• Molecules

• Electrons

• Ants

What are the small red disks next to the microorganism? (plural)

• white blood cells

• red blood cells

• tacos

• ants

Tags

NGSS.MS-LS1-1

What are living things such as plants, animals and bacteria?

• spiders

• microorganisms

• cells

• organisms

Tags

NGSS.MS-LS1-1

The relative size of things.

• scale

• mass

• time

• energy

Tags

NGSS.MS-ESS1-3

What are the small arachnids that live on organisms?

• mites

• fleas

• worms

• germs

Typically, how small are the microorganisms?

• 1/2 the size of a human cell.

• 1/4 the size of a human cell

• 1/10 the size of a human cell

• 1/1000 the size of a human cell.

Cells come in different sizes and shapes.

• True

• False