atms day 2

1. ATOMS
Day 2
Democritus
& Dalton

2. DEMOCRITUS
Greek Philosopher – 440 BCE

3. EARLY OBSERVATIONS
Wind pushes
Food transforms
Odors spread

4. ATOMS
Small & Hard

5. COLOR?
None. Different colors = Different arrangement of atoms

6. DIVIDE?
Nope

7. WHAT’S IN BETWEEN
Nothing. Because things spread out

8. DIFFERENT ELEMENTS
Made of same stuff in different sizes and shapes

9. JOHN DALTON
British Chemist –1803

10. OBSERVATION 1
Conservation of Mass

11. OBSERVATION 2
Atoms combine in certain proportions

12. SIMILAR TO DEMOCRITUS
Small
No color
Can’t be divided
Nothing in between

13. DIFFERENT ELEMENTS
Have different atoms

14. ATOMS COMBINE
To make all substances

15. DALTON’S NEW IDEAS
Different elements
have different atoms
Atoms combine to
make all substances

16. BIBLIOGRAPHY
http://www.mlahanas.de/Greeks/Bios/DemocritusNaples.jpg
http://www.flickr.com/photos/toastforbrekkie/866114974/sizes/m/
http://www.flickr.com/photos/kristofor808/3408333283/sizes/l/in/set-72057594056034692/
http://www.flickr.com/photos/ladesign/4197918856/
http://commons.wikimedia.org/wiki/File:John_Dalton.jpg
http://crescentcityshapers.files.wordpress.com/2010/01/52831195_0504060006.jpg
http://www.flickr.com/photos/ca_heckler/4087181226/sizes/l/