Changes in States of Matter

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

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

• The ice changes to a gas then 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. 

How can you make liquid water become a solid?

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

Snow turns to liquid water when it

• freezes
• evaporates
• condenses
• melts.

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

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

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

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

When ice melts, it becomes a 

• solid
• liquid
• gas
• plasma

Which is MOST likely to happen to a solid substance that is heated?

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

A student places a pan of water on a stove. What happens to some of the water as it is heated to a boil?

• It gets destroyed.
• It gets new atomic bonds
• It becomes solid.
• It becomes a gas.

Which change can occur when  you add heat energy to water?

• The water can change from a liquid to a solid
• The water can change from a gas to a liquid
• The water can change from a liquid to a gas
• The water can change from a solid to a liquid