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POM Lesson 5 Content
This information is important for lesson 5 of Properties of matter.
|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.|