Physical and Chemical Changes Mini Lab
Name: ___________________
Purpose: to compare and contrast chemical and physical changes
Situation
What happens
Type of
change
Evidence for change
1. Burning match
It changes into ash and smoke
Chemical
Ash, smoke, heat, light
2. Tearing paper
3. Leaves
changing color
4. Polyacrylamide
in water
5. Tums in
vinegar
6. Dissolve salt in
water
7. Alka-seltzer in
water
8. Instant milk
powder in water
Analysis Questions:
1. How would you describe the human process of digestion? Chemical or physical change?
2. Describe your day so far in terms of chemical and physical changes that have “helped” you along in your day. (List at
least three).
3. What is something you could do to check whether polyacrylamide in water is a physical or a chemical change?
4. What are some things you can look for to tell if something is a chemical change? List as many as you can. Which
one(s) do you think is the best and why?