Answer
1st answer:
Match - Heat, color, smell
Baking - color, taste
Soap - Bubbles, chemical conversion
2nd answer:
Plastic - Color change, heat, smell
Fireworks - color, light, smell, heat
Fuels - smell, color, heat, gas
Work Step by Step
1st answer:
Helpful
- Striking a match
- Baking or mixing reactant ingredients
- Soaps / safe cleaning things
2nd answer:
Harmful
- Burning plastic
- Fireworks
- Burning fossil fuels
