
Evidence of Chemical Reactions
12th Grade · Science · 45 min
Lesson Preview
Learning Objective
Identify substance properties that can be used as evidence that a chemical reaction has occurred. Collect and interpret data on the properties of substances before and after interactions. Determine whether chemical reactions have occurred.
- 1
The Maillard reaction involves sugars and amino acids reacting at high temperatures to create complex flavor compounds, making food more enjoyable.
- 2
Alloying copper with elements like tin creates bronze, which is harder and more durable than pure copper, marking an important step in metalworking.
- 3
The Haber-Bosch process is used to convert nitrogen and hydrogen into ammonia, which is then used to make fertilizers that have greatly increased food production.


