Re: How Do Telescopes Magnify? School Level.

On Dec 17, 1:53 pm, Martin Brown <|||newspam...@xxxxxxxxxxxxxxxxxx>
W. eWatson wrote:

I'd like to use it for 6-10th graders and some

No idea how old that makes them.

First graders are students who have just entered school, so they're
usually 6 years old.

That makes a typical 6th grader 11 years old, and a typical 10th
grader 15 years old.

John Savard