Vocabulary
What is matter?
Solid, liquid, gas
Ice melting
Liquid
Sugar and Water
Physical
Hydrogen
1
2 or more atoms
What is an atom?
The smallest unit that makes up everything
Steam
Gas
Baking Soda and vinegar
Chemical
Oxygen
8
Electron
Negative charge in an atom
What is chemical reaction?
When a new thing is made. It is has heat, light, color change.
Breathing
Gas
Ice melting
Physical
Carbon
6
Element
A type of atom
What is a physical reaction?
No new thing. Just change in structure or matter
Lightning
Plasma
Elephant toothpaste
Chemical
79
Reaction
When you mix something to make new thing
What is a periodic table
It is a list of atoms
Table, chair, book, hair
Solid
Coke and mentos
Physical
Uranium
102
Tell me 2 chemical reactions
tell me 2 physical reactions
Chemical; Baking soda and vinegar, elephant toothpaste
Physical; oobleck and sugar and water