Making New Materials Knowledge Harvest

Snow turns to liquid water when it _____________?

• freezes
• melts
• condenses
• evaporates

How can you make liquid water become a solid?

• Put the water in a very cold place
• Heat the water on the stove
• Shake the water container very fast.
• Add a lot of salt to the water. 

Angel places a pot of water on a stove. As the water boils, how does the state of the water change? 

• from solid to liquid
• from liquid to solid
• from liquid to gas
• from gas to liquid

Jasmine filled a tray with juice and put it in a freezer. The next day, Jasmine opened the freezer. How did the juice MOST likely change? 

• condensed
• evaporated
• It became a gas.
• It became a solid. 

An ice cube is placed in a pan. The pan is placed on an open flame. Which change will MOST likely happen over time? 

• The ice changes to a gas then to a liquid.
• The ice changes  to a gas and then back to a solid.
• The ice changes to a liquid then to a gas.
• The ice changes to a liquid and back to a solid. 

A large piece of ice is placed on the sidewalk on a warm day. What will happen to the ice? 

• It will melt to form liquid water.
• It will melt to form water vapor.
• It will freeze to form liquid water.
• It will not change at all. 

When ice melts, it  becomes a ________________.

• gas
• solid
• liquid
• plasma

Which will most likely happen to a solid substance that is heated?

• It will melt.
• It will boil.
• It will harden
• It will evaporate. 

Ann is holding an ice cube. Why does the ice cube melt in her hand? 

• Heat moves from her hand to the ice cube.
• Cold moves from her hand to the ice cube.
• Heat moves from the ice cube to her hand.
• Cold moves from the ice cube to her hand. 

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