Can you give an example of a physical change?
04
Curipod lesson about topic "Chemical and Physical Changes"
Bianca Lacey
Updated 5 months ago
1. Word cloud
120 seconds
Can you give an example of a physical change?
2. Word cloud
120 seconds
Can you give an example of a chemical change?
3. Slide
60 seconds
Chemical changes involve the breakdown or building up of molecules. Physical changes affect the form of a substance without changing its molecular composition. Examples of physical changes include melting, freezing, and boiling.
Chemical and Physical Changes
4. Slide
60 seconds
Chemical Change: A change that alters the structure of a chemical substance, resulting in a new substance. Physical Change: A change in the state or properties of a material that does not involve a change in the chemical composition. Molecular Composition: The elements that make up a substance and the way they are connected to each other.
Concepts:
5. Poll
60 seconds
Which of these best describes a chemical change?
- The appearance of the substance changes
- The energy of the substance changes
- The composition of the substance changes
- None of the above
6. Slide
60 seconds
When water boils, it changes from a liquid to a gas - this is an example of a physical change. When sugar is dissolved in water, it undergoes a chemical change. When an egg is cooked, it undergoes both physical and chemical changes!
Fun facts:
7. Drawings
450 seconds
Draw / write: How are chemical and physical changes different?
8. Drawings
360 seconds
Draw / write: What are some examples of physical and chemical changes?
9. Open question
150 seconds
What do you think is the most important thing to remember when distinguishing between chemical and physical changes?
10. Open question
330 seconds
How does observing physical and chemical changes help us better understand the world around us?
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