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Which of these is not a sign of a chemical Reaction
We start and finish with the same thing
Egg Cooking
Change of state (liquid, solid, gas)
Element
Hydrogen
A bunch of molecules of different types mixed together
The chemicals we finish with
Icecream Melting
______ means all atoms of the same type
We start and finish with the same thing
Egg Cooking
Change of state (liquid, solid, gas)
Element
Hydrogen
A bunch of molecules of different types mixed together
The chemicals we finish with
Icecream Melting
A mixture is ...
We start and finish with the same thing
Egg Cooking
Change of state (liquid, solid, gas)
Element
Hydrogen
A bunch of molecules of different types mixed together
The chemicals we finish with
Icecream Melting
Which of these is a chemical change
We start and finish with the same thing
Egg Cooking
Change of state (liquid, solid, gas)
Element
Hydrogen
A bunch of molecules of different types mixed together
The chemicals we finish with
Icecream Melting
The Symbol H stands for
We start and finish with the same thing
Egg Cooking
Change of state (liquid, solid, gas)
Element
Hydrogen
A bunch of molecules of different types mixed together
The chemicals we finish with
Icecream Melting
In a chemical equation the PRODUCTS are:
We start and finish with the same thing
Egg Cooking
Change of state (liquid, solid, gas)
Element
Hydrogen
A bunch of molecules of different types mixed together
The chemicals we finish with
Icecream Melting
Which of these is a physical change?
We start and finish with the same thing
Egg Cooking
Change of state (liquid, solid, gas)
Element
Hydrogen
A bunch of molecules of different types mixed together
The chemicals we finish with
Icecream Melting
In a chemical reaction (pick the one that is wrong!)
We start and finish with the same thing
Egg Cooking
Change of state (liquid, solid, gas)
Element
Hydrogen
A bunch of molecules of different types mixed together
The chemicals we finish with
Icecream Melting
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