12-Changes in Matter
Lessons
What are chemical changes?
What are some kinds of chemical reactions?
How are chemical properties used?
How is chemical technology used in our lives?
Vocabulary
physical change
chemical change
combustion
reactant
product
chemical equation
Law of Conservation of Mass
pH
polymer
NC Standards - 5.P.2.3
Matter: Properties and Change
Students know that by making qualitative and quantitative data records, we are able to create before/after representations of materials (and their properties), so that we can compare before/after versions of materials.
Video - Chemical Changes
Lesson 1, What are chemical changes?
1. What is a physical change?
2. What is an example of a physical change?
3. What is a chemical change?
4. What is an example of a chemical change?
5. How does rust form?
6. What is evidence that a physical change has occurred?
7. What happens during chemical changes?
8. What is combustion?
9. What is an example of how energy is released during a chemical reaction?
Lesson 2, What are some kinds of chemical reactions?
1. What happens during a chemical reaction?
2. What is a reactant?
3. What is a product?
4. What does a chemical equation show?
5. What is an example of a chemical equation?
6. What does the Law of Conservation state?
7. What are three types of chemical reactions?
8. What is decomposition reaction?
9. What is a combination reaction?
10. What is a replacement reaction?
Lesson 3, How are chemical properties used?
How are mixtures separated?
What is the purpose of litmus paper?
What color do acids turn litmus paper?
What is the pH range of acids?
What are examples of acids?
What color do bases turn litmus paper?
What is the pH range of bases?
What is the pH of a neutral solution?
What are examples of bases?
What is an example of a neutral solution?
Lesson 4, How is chemical technology used in our lives?
Who is Alexander Fleming?
What is penicillin?
What are antibiotics?
What are vitamins?
What are polymers?
What is fertilizer?
What are some types of compounds used in petroleum?
What should you do before using dangerous chemicals?
What caution should you observe when handling chemicals?
What is a positive way in which chemicals are used?