Expansion and contraction
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Curipod generated lesson: "Expansion and contraction". #5-7
craig.young
Updated 5 months ago
1. Open question
180 seconds
What happens to metals when they are a) heated and b) cooled?
2. Slide
60 seconds
Expansion happens when an object or material increases in size. Contraction occurs when an object or material decreases in size. Temperature and pressure can cause materials to expand or contract.
Expansion and Contraction
3. Slide
60 seconds
Expansion: when particles in metals get excited and create small spaces increasing the size Contraction: when particles in metals get less excited and pack closer together decreasing the size
Jotter note:
4. Poll
30 seconds
What is the process called when a substance expands due to an increase in temperature?
- Thermal expansion
- Thermal contraction
- Thermal equilibrium
5. Poll
30 seconds
'Contraction' is defined as:
- The process of getting smaller
- The process of getting bigger
- Maintaining a constant size
6. Drawings
210 seconds
Complete the diagram to show the particals expanding
7. Drawings
210 seconds
Complete the diagram to show the particals contracting
8. Drawings
450 seconds
Brain break: Draw a monster made up of different shaped fruits and vegetables.
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