Question 86
Read the description and look at Figure 10.48.
- Periscopes are used to let someone see things that are not directly in front of them.
- They are often used to look over or around obstructions.
- Periscopes were originally developed so that sailors in submarines could look at what was on the surface of the sea while they stayed underwater.
Describe two other situations in which a periscope would be a useful tool.
- Periscopes are used to let someone see things that are not directly in front of them.
- They are often used to look over or around obstructions.
- Periscopes were originally developed so that sailors in submarines could look at what was on the surface of the sea while they stayed underwater.
Describe two other situations in which a periscope would be a useful tool.
