Question

Air for moderation temperatures PPT​

Answer 1

Answer:

1. …it’s a gas! Air

2. What do you know about gases? Have mass and take up space (matter) Have faster moving molecules than solids & liquids Expand to fill the container they're in Molecules spaced far apart (no bonds) No fixed volume or shape. Can be compressed  molecules can be smooshed together

3. What are Gases Made of? Argon Atom Ar Oxygen Molecules H2O O2 18P 22N

4. Temperature SI Temperature Fahrenheit Celsius Kelvin A thermometer measures the speed at which the molecules of a substance are moving Thermometer Reading Practice F shows 2 degrees per line C shows 1 degree per line

5. Evaporation Lab What substance is the thermometer reading right now? Read all directions on your Data Sheet Write out a hypothesis Perform the experiment Write a conclusion

6. Changing States takes Energy How does sweat cool down your body? Heat is absorbed by water molecules to excite them to the point they can break free and become a gas (water vapor) The particles move faster and slide past each other. The particles are close together and vibrate in a fixed position. The particles are far apart and move very quickly and randomly. evaporatingmelting

7. How Heat Affects Molecules Heat = energy that is being transferred

Explanation:

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