Chemistry States of matter Atoms and Brownian motion
Age level: 13-15
- What is an atom? Draw
and label a picture of an atom of
- Alchemists of the 14th and
15th centuries unsuccessfully tried to
turn lead into gold. Lead has only 3
more protons than gold. Why do you
think it is so hard to turn lead into
- Why is very special equipment
needed to see atoms?
- Describe in your own words what
causes Brownian motion.