Students will compare the sizeof distant stars that are represented as circles on a wall to their thumb to examine how distance affects the apparent size of stars in the sky.
This is an activity out of the book I have called Science Made Simple. Sample file contains a look at many lessons from the book so you can see the general quality of the lessons. All lessons are hands-on and use simple supplies that can be done by any teacher anywhere. The full book can be purchased in my store.