2. Oxygen Atom A Glass of Water (~10-10 m) H2O Molecule (~10-9 m)

3. © Dennis Kunkel Microscopy, Inc. (www.denniskunkel.com)

4. 10,000 atoms long
© Dennis Kunkel Microscopy, Inc. (

6. Oxygen Atom A Glass of Water (~10-10 m) H2O Molecule Oxygen Nucleus

7. Nucleus = Baseball

8. ? Oxygen Atom A Glass of Water (~10-10 m) Neutron or Proton (~10-15 m)
Oxygen Nucleus
(~10-14 m) m
H2O Molecule
(~10-9 m) m ?
Quark
(<10-19 m)
< m

10.  The macroscopic world (What we’re familiar with)
The microscopic world
(What atoms – and things
smaller – are made of)

12. Macroscopic Baseball

13. Microscopic Baseball

14. Microscopic Baseball

15. Life is only possible because of quantum mechanics!
Molecules with Quantum Mechanics
Molecules without Quantum Mechanics

18. Nucleus = Baseball