Relative Sizes - Cut a sheet of paper into 9 equal size rectangles. Write the following on the pieces, and draw a picture of what they look like. Then try to place them in size order, from smallest to largest.
galaxy, planet, alien, molecule, universe, sun, local group, atom, earth, solar system
Watch the Powers of Ten video, and see if you have reasonable pictures and that your order is correct.
Created by Melanie Wenger
https://newyorkscienceteacher.com/sci/files/user-submitted/Galactic_Address_Handout.pdf