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Cycle 3 ((PH-3: Lemon:Yellow, Ph-2: Water: Blue, PH-7: Alka Seltzer, PH-7…
Cycle 3
PH-3: Lemon:Yellow
Ph-2: Water: Blue
PH-7: Alka Seltzer
PH-7: Viniger
Matter
2 properties
Physical property
Chemical property
Chemical change is when bonds break
Chemical reactions are 2 big changes
Phase change
Solid
Liquid
gas
Atoms
Greeks didn't aprove atoms
Atoms can't be divided
All atoms of same elements are same
Dalton used evidence
All compounds made of elements
Water is compound
Nutrients are nourishing substances
6 classes
Fats
Vitamins
Trace elements
Minerals
Carbohydrates
Proteins
Needed throughout life
Needed 3
Iron
Vitamin A
Iodine