Upload
shauna-eaton
View
224
Download
0
Embed Size (px)
DESCRIPTION
Freezing Point Water freezes at 0 degrees Celsius. As temperatures drop into the negatives, water continues to freeze and harden. Temperatures in the Arctic can drop to as low as -89° Celsius! Any temperature below 0° Celsius keeps the water freezing.
Citation preview
Boiling, Freezing, and Boiling, Freezing, and Melting WaterMelting Water
Using the Celsius scaleUsing the Celsius scale
Freezing Point Freezing Point Water freezes at 0 degrees Celsius.Water freezes at 0 degrees Celsius. As temperatures drop into the As temperatures drop into the
negatives, water continues to freeze negatives, water continues to freeze and harden.and harden.
•Temperatures in the Arctic can drop to as low as -89° Celsius!•Any temperature below 0° Celsius keeps the water freezing.
Melting PointMelting Point The melting point for water is 0The melting point for water is 0°
Celsius. As temperatures continue to rise,
water continues to melt.
Don’t get confused!Don’t get confused! Water’s freezing point Water’s freezing point
and melting point and melting point are are bothboth at 0 at 0° Celsius.
Just ask yourself, “Is the temperature getting warmer or colder?”
Freezing vs. MeltingFreezing vs. Melting Freezing occurs when enough heat is Freezing occurs when enough heat is
removed to cause a phase change.removed to cause a phase change.
Melting occurs when enough heat is added Melting occurs when enough heat is added to cause a phase change from solid to to cause a phase change from solid to liquid.liquid.
FUN FACT:FUN FACT: Sometimes the difference in Sometimes the difference in temperature between ice and liquid water temperature between ice and liquid water may be 1 degree Celsius!may be 1 degree Celsius!
Boiling Point of WaterBoiling Point of Water The boiling point of water is at 100° The boiling point of water is at 100°
Celsius. Celsius. Evaporation occurs at a very rapid pace from this point…