Signs of Chemical Change
Fold along this line and glue.
Outline the signs of chemical change. Include in your answer the
reasons why these are signs of chemical change.
Identify one sign that would NOT by itself indicate a chemical
change has occurred. Include in your answer the reasons why it
does not indicate a chemical change.
Inquiry Experiments
Reaction
Reaction 1:
Observations
Reaction 3:
What is occurring?
NaCl & AgNO₃
What is occurring?
Glucose &
Sodium hydroxide
Sign of chemical change:
RESEARCH! What type of reaction was it?
Sign of chemical change:
RESEARCH! What type of reaction was it?
Reaction 2:
Reaction 4:
What is occurring?
Vinegar and
Baking Soda
What is occurring?
Sign of chemical change:
Water & Calcium
chloride powder
RESEARCH! What type of reaction was it?
Reaction 5:
Sign of chemical change:
RESEARCH! What type of reaction was it?
What is occurring?
Copper Sulphate
and Zinc
Sign of chemical change:
RESEARCH! What type of reaction was it?