Hindenburg
Class Experiments
Atoms/Molecules
Physical vs Chemical
Mystery?
100
What is the Hindenburg?
A German blimp that was flying over NY/NJ and crashed
100
Why did the candle go out when the jar covered it?
No oxygen
100
What is the name of the element?
Na
Sodium
100
Boiling water
Physical
100
Element or Molecule
C
Element
200
What year did the Hindenburg crash?
1937
200
True or False
A ballon filled with OXYGEN will float.
False
200
How many atoms of oxygen?
C6H12O6
6
200
Frying an egg
Chemical
200
Are molecules moving fast or slow.
Hamburger from the grill
Fast
300
What materials were the paint made out of?
Iron, Aluminum, and Cotton
300
When hydrogen gas is burned, what gas is created?
Water
300
How many atoms in TOTAL?
NaCl
2
300
Toasting bread
Chemical Change
300
Element or Molecule
HCl
Molecule
400
How many people died?
36
400
Does the reaction with Steel wool and vinegar REQUIRE or RELEASE energy
Release- The temp increased.
400
How many Hydrogen atoms?
3 H2O2
6 Hydrogen atoms
400
Cutting a cake
Physical change
400
Element or Molecule
H2
Molecule
500
How many seconds did it take for the Hindenburg to completely burn?
34 seconds
500
Does the reaction with magnesium and vinegar REQUIRE or RELEASE energy?
Released - temp increased
500
C6H12O6 + 6 O2 ----->
How many OXYGEN atoms should be on the right side of the reaction?
18
500
Digesting food
Chemical change
500
Carlos left his hot coffee on the table for hours.
Describe the motion of the molecules.
They are decreasing, because the coffee is getting colder.