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Investigation 4.1 and 4.3 gas and solid expansion

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Transcript of "Investigation 4.1 and 4.3 gas and solid expansion"

1. 1. Warm up February 9 <ul><li>Using the atomic model on the right, identify the following for this element: </li></ul><ul><li>Period </li></ul><ul><li>Group </li></ul><ul><li>Element name </li></ul>
2. 2. What do you remember about Kinetic Energy?
3. 3. Solid Expansion
4. 4. Solid Expansion <ul><li>The sphere and ring are made of a metal called brass. What might be happening to the brass particles in the sphere? In the ring? </li></ul><ul><li>What might happen to the sphere and the ring as a result of changes in kinetic energy? </li></ul><ul><li>What will happen when the sphere and ring are brought together? </li></ul>
5. 5. Properties of Gas <ul><li>Gas is a form of matter. It has mass and occupies space. </li></ul><ul><li>Gases are composed of individual particles that are not connected to other particles. </li></ul><ul><li>Gas particles are relatively far apart and in constant motion. </li></ul><ul><li>There is nothing between particles of a gas except space. </li></ul><ul><li>Gas particles can be forced closer together, a process called compression. </li></ul>
6. 7. <ul><li>Imagine that you are going to show a class of 4th graders what happens to air when it is heated and cooled. Try to find a good way to show what happens to a volume of air when it is heated and when it is cooled using the supplied materials. </li></ul>Materials: 1 bottle and cap Balloon 2 large cups for water stopper & tubing 1 foam cup bubble solution
7. 8. RULES <ul><li>Place nothing inside the bottle-no water, bubble solution, or other substance </li></ul><ul><li>Maintain the integrity of the bottle. No crushing, folding, or otherwise modifying the bottle. </li></ul><ul><li>Share the group items with the others in your group. Everyone should try several different ways to demonstrate what happens when a volume of air is heated and cooled. </li></ul>
8. 9. <ul><li>Complete Heating and Cooling Air A </li></ul><ul><ul><li>This should be glued on page 39 </li></ul></ul><ul><li>Complete Heating and Cooling Air B </li></ul><ul><ul><li>This is your reflection and should be glued on page 38 </li></ul></ul><ul><ul><li>Color needs to be used </li></ul></ul>Written Work
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