All you will need is a piece or two of chalk, a few resources from the web, some string, and a measuring device.
For these two activities you can play with the solar system and the idea of scale!
The following website has all the measurements you will need to head outside and create a solar system with the family and some chalk!
We made the planets with just a piece of string and some chalk!
One person holds the end the other pulls and draws the circle
Don't let go!
Around we go!
How far away are the planets from the sun? We guessed first and then used the our scale to see how close we guessed.
Using tables is helpful for understanding data
...and measured out where they should have been.