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- 1. Multiple Choice
Which is larger: cells or molecules?
cells
molecules
- 2. Multiple Choice
Which of these units of measure is the largest?
centimeter
micrometer
nanometer
meter
- 3. Multiple Choice
Some organisms are made of just one cell.
True
False
- 4. Multiple Choice
Different microorganisms can be different sizes.
True
False
- 5. Multiple Choice
Which one of these things is NOT microscopic?
yeast cell
molecule
grain of salt
blood cell
- 6. Multiple Choice
Which of the following is the smallest?
A blood cell
A cheek cell
A water molecule
An egg cell
- 7. Multiple Choice
What must we use in order to see our cheek cells?
A hand lens
A magnifying glass
A telescope
A microscope
- 8. Multiple Choice
True or False: All cells are the same size.
True
False
- 9. Multiple Choice
True or False: There are trillions of microorganisms on and inside of the human body.
True
False
- 10. Multiple Choice
Which of these units of measure is the largest?
centimeter
micrometer
nanometer
meter
- 11. Multiple Choice
Which of the following is an organism?
Rock
Tree
Cloud
Car
- 12. Multiple Choice
Which of the following is a microorganism?
Cell
Human
Molecule
Bacteria
- 13. Multiple Choice
Which unit of measure is the smallest?
Micrometers
Nanometers
Millimeters
Meters
- 14. Multiple Choice
Most cells are measured in units called:
MIllimeters
Micrometers
Nanometers
Picometers
- 15. Multiple Choice
When using our scale models we discovered that:
Cells are much smaller than molecules
Molecules are much smaller than cells
Cells are larger than most organisms
Molecules are made of cells
- 16. Multiple Choice
Why might a scientist make a scale model of a cell?
To display it
To easily see or investigate the parts
To make it smaller
To grow more of them
- 17. Multiple Choice
Which of the following organism is the smallest?
An ant
An eyelash mite
An E-coli bacteria
A head lice
- 18. Multiple Choice
Blood cells are considered a microorganism:
True
False
- 19. Multiple Choice
Plant and animal cells have the exact same parts.
True
False
- 20. Multiple Choice
We might be able to see some microorganisms in our Petri dishes soon due to:
The microorganisms growing in size
The microorganisms changing shape
The microorganisms growing in number
The microorganisms moving closer together
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