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• All substances have the same melting and boiling points.
• All substances do not have the same melting points and boiling points. 
• Some substances take longer to melt and boil. 
• Aluminum melts faster than water. 

The temperature of a pot of water is 27°C. After one minute on a hot plate, the temperature of the water rises 10 degrees. How many more degrees Celsius must the temperature rise before it reaches the boiling point of water? 

• 83 degrees
• 73 degrees
• 63 degrees
• 173 degrees

When combined, which ingredients will maintain their physical property of being a solid? 

• Sugar Cube and Water
• Wood Chips and Clay
• Syrup and Vinegar
• Oil and Water

Three jars are filled with the same amount of water and placed in the freezer over night. The next day, a different type of material is wrapped around each jar and placed in a pan of hot water. Students observe the ice in each jar and discover that the jar wrapped in aluminum foil melts first, and the jar wrapped in cotton melts last. Which property of the different types of materials are the students most likely investigating?

• Ability to produce thermal energy 
• States of matter
• Ability to conduct electricity
• Ability to insulate thermal energy

All the examples below show a change in the state of matter caused by heating EXCEPT

• A piece of chocolate softens in the sun. 
• A puddle of water evaporates.
• Water turns into an ice cube.
• Water turns into water vapor.

Which object in the chart below is most likely a lamp?

• Object 1
• Object 2
• Object 3
• Object 4