1. What is the purpose of using a magnifying glass to look at small organisms, as described in the activity?

2. Who published the book "Micrographia" in 1665?

3. What tool did Robert Hooke use to observe tiny things and make them look 200 to 300 times bigger?

4. What did Robert Hooke call each small compartment he saw in a thin slice of cork?

5. Why is Antonie van Leeuwenhoek known as the Father of Microbiology?

6. All living beings are made up of what basic unit?

7. Robert Hooke’s observation of cork led to the use of the word “cell” in science because he saw many small, empty spaces in cork and called each space a cell, comparing them to a honeycomb.

8. What is the purpose of adding safranin to the onion peel during the cell study activity?

9. Which tool is used to pull out the thin, transparent layer from the inner surface of the onion?

10. Why is glycerin added to the onion peel on the slide?