Download What are atoms like?

What are
atoms like?
ATOMIC THEORY
• The idea that matter consists of small
particles called atoms.
• The atom is the smallest particle that
makes up matter and can not be further
broken down.
• Atomic models of matter have existed
for thousands of years, but the
generally accepted model by John
Dalton was not published until 1809.
PROPERTY
• A property is:
PROBLEM
STATEMENTS
• 1. What evidence do we have for the
existence of atoms?
• 2. What are atoms like?
ATOMS IN A LIQUID
• Atoms in a liquid can
•
move and are spread
out.
Atoms are loosely
arranged
ATOMS IN A SOLID
• In a solid , atoms are
arranged very neatly
and densely.
ATOMS IN A GAS
• Atoms in a gas move
•
quickly
Atoms in gases are
not neatly arranged in
rows, they are very
spread out
WHAT YOU WILL DO!
• 1. Cycle through 7
•
•
•
different lab stations
2. Write down the
problem stated
3. Record your
descriptions and
observations.
4. Make sketches