KineticTheory:
How Particles Behave
ENERGY AND SPACE B/W PARTICLESThe particles in Solids, Liquids, and Gases have different:
WHAT DO YOU DO WHEN YOU’RE COLD?
Vibrating
WHAT HAPPENS WHEN LIQUID IS SPILLED?
Flowing around each other
HOW DO GASES BEHAVE?
Colliding randomly
QUESTION 1:
QUESTION 2:As a liquid becomes a solid, what happens to its particles?
DEMO:
QUESTION 3:What kind of phase change is occurring here?
QUESTION 4:What kind of phase change is occurring here?
SOLID
LIQUID
GAS
QUESTION 5:Compare gases and liquids: What is the difference in energy?
SO IF YOU HAVE MORE ENERGY, YOU CAN PROBABLY ESCAPE THIS:
QUESTION 6:Which state of matter has the highest particle attraction?
DEMO:
OPPOSITES ATTRACT:
OPPOSITES ATTRACT:
Hydrogen Bonds
DEMO:
QUESTION 7:What kind of bonds are formed in water that allow insects to walk on it?
DENSITY:States of Matter
QUESTION 8:Normally, what phase of matter is the most dense?
ALL SOLIDS SINK, RIGHT?
DEMO:
THERMAL EXPANSION:
WHY HOLD JAR UNDER HOT WATER?
EXPANSION IN SOLIDS:
EXPANSION IN LIQUIDS:
EXPANSION IN GAS:
DO ALL SOLIDS SHRINK WHEN COOLED?
Hydrogen Bonds
There are spaces!
What does the cold water absorb heat from?
DEMO:Lower pressure leads to lower boiling temperature