4. name of the dutch scientist who made his own microscope ______________
5. what famous discovery did this scientist make with his home made microscope? how did he make this discovery?
6. what did he call his discovery? ______________
7. name of the english scientist who is credited for coming up with the term \cell\ ______________
8. what was this scientist looking at when he came up with the name \cell\? ______________
9. why did he call them cells?
10. what did robert hooke do to make sir isaac newton mad?
11. why does no one know what robert hooke looked like?

Question

Accepted Answer

### Question 4
# Brief Explanations:
The Dutch scientist who made his own microscope is Antonie van Leeuwenhoek. He was known for his skill in crafting microscopes and using them to observe various microscopic organisms.
# Answer:
Antonie van Leeuwenhoek

### Question 5
# Brief Explanations:
Antonie van Leeuwenhoek discovered microscopic single - celled organisms (like bacteria, protozoa) using his homemade microscope. He collected samples (e.g., from pond water, dental plaque) and observed them under his microscope, being the first to see these tiny living entities.
# Answer:
Discovery: Microscopic single - celled organisms (bacteria, protozoa, etc.). Method: Collected samples (pond water, dental plaque, etc.) and observed them under his homemade microscope.

### Question 6
# Brief Explanations:
Antonie van Leeuwenhoek called the microscopic organisms he discovered "animalcules" as he thought they were tiny animals.
# Answer:
Animalcules

### Question 7
# Brief Explanations:
The English scientist credited with coining the term "cell" is Robert Hooke. He used a microscope to study cork and other materials.
# Answer:
Robert Hooke

### Question 8
# Brief Explanations:
Robert Hooke was looking at a thin slice of cork when he came up with the name "cell". The cork had a honey - comb like structure which he observed under the microscope.
# Answer:
A thin slice of cork

### Question 9
# Brief Explanations:
Robert Hooke called the structures he saw in the cork "cells" because they resembled the small rooms (cells) that monks lived in, with their box - like appearance.
# Answer:
The cork structures resembled monks' cells (small rooms), so he named them "cells".

### Question 10
# Brief Explanations:
Robert Hooke and Isaac Newton had disputes over scientific credit, especially regarding optics and the nature of gravity. Hooke claimed Newton borrowed his ideas without proper acknowledgment, which angered Newton.
# Answer:
Hooke claimed Newton borrowed his scientific ideas (e.g., on optics, gravity) without proper credit, leading to disputes that angered Newton.

### Question 11
# Brief Explanations:
No one knows what Robert Hooke looked like because after his death, his portrait was lost or destroyed. There are no surviving authentic portraits of him, possibly due to his disputes with other scientists (like Newton) leading to neglect of preserving his image.
# Answer:
His portrait was lost/destroyed after his death, and there are no surviving authentic depictions, likely due to scientific disputes (e.g., with Newton) leading to neglect of preserving his image.

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