2.  How small is an atom?

3.  Activity! Bringing things down to size. Copyright © 2010 Ryan P. Murphy This is the product of Ryan Murphy Copyright 2010 www.sciencepowerpoint.com

4.  Activity! Bringing things down to size. Take one sheet of paper 8 by 11. Copyright © 2010 Ryan P. Murphy This is the product of Ryan Murphy Copyright 2010 www.sciencepowerpoint.com

5.  Activity! Bringing things down to size. Take one sheet of paper 8 by 11. Copyright © 2010 Ryan P. Murphy This is the product of Ryan Murphy Copyright 2010 www.sciencepowerpoint.com

6.  Activity! Bringing things down to size. Take one sheet of paper 8 by 11. Cut it in half as precisely as possible. 1 Copyright © 2010 Ryan P. Murphy This is the product of Ryan Murphy Copyright 2010 www.sciencepowerpoint.com

7.  Activity! Bringing things down to size. Take one sheet of paper 8 by 11. Cut it in half as precisely as possible. Keep cutting it in half again. Keep track. Copyright © 2010 Ryan P. Murphy This is the product of Ryan Murphy Copyright 2010 www.sciencepowerpoint.com 2

8.  Activity! Bringing things down to size. Take one sheet of paper 8 by 11. Cut it in half as precisely as possible. Copyright © 2010 Ryan P. Murphy This is the product of Ryan Murphy Copyright 2010 www.sciencepowerpoint.com 3

9. Copyright © 2010 Ryan P. Murphy 4 Line up scraps from large to small.

10. Copyright © 2010 Ryan P. Murphy This is the product of Ryan Murphy Copyright 2010 www.sciencepowerpoint.com 5

11. Copyright © 2010 Ryan P. Murphy This is the product of Ryan Murphy Copyright 2010 www.sciencepowerpoint.com 6

12. Copyright © 2010 Ryan P. Murphy This is the product of Ryan Murphy Copyright 2010 www.sciencepowerpoint.com 7

13. Copyright © 2010 Ryan P. Murphy This is the product of Ryan Murphy Copyright 2010 www.sciencepowerpoint.com 8

14. Copyright © 2010 Ryan P. Murphy This is the product of Ryan Murphy Copyright 2010 www.sciencepowerpoint.com 9

15. Copyright © 2010 Ryan P. Murphy This is the product of Ryan Murphy Copyright 2010 www.sciencepowerpoint.com 10 Keep going!!!

16. 84 Almost

17.  Answer: If you were to cut the paper in half about 90 times, you would be around the size of the atom. T he at om is in cred ib ly s ma ll. Copyright © 2010 Ryan P. Murphy 90

18.  About a million atoms stacked on top of each other = the thickness of a sheet of paper. Copyright © 2010 Ryan P. Murphy

19.  Video Link! The size of atoms http://www.youtube.com/watch?v=yQP4UJhNn0I