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POM Lesson 5 Content
This information is important for lesson 5 of Properties of matter.
Question | Answer |
---|---|
Fill in the blank with he best choice: Most matter _________ in volume when cooled. | decreases/contracts |
When you built the water thermometer you used the lab thermometer to _________. | help calibrate your water thermometer. |
The lava lamp continually circulates the colored liquid because _______________. | the heat from the bulb heats the liquid causing it to expand,lower it's density and rise. |
What teperatures does water freeze and boil? | 0 C and 100 C |
Why do railroad tracks and bridges have expansion joints (places where they expand)? | To allow expansion and contraction in weather changes. |