Exploring Physical and Chemical Properties of Matter

What is a physical property of matter?

• A characteristic that can only be determined by changing the substance's molecular structure.

• Whether a compound will burn when exposed to flame.

• A characteristic that can be determined without changing the substance's chemical identity.

• The energy released when a compound undergoes burning with oxygen.

Which of the following is an intensive property?

• Mass

• Volume

• Color

• Length

What happens to the color of water when you add more water to it?

• The color changes.

• The color remains the same.

• The color becomes darker.

• The color becomes lighter.

Which property of water remains unchanged when more water is added?

• Mass

• Volume

• Density

• Weight

What is an example of an extensive property?

• Density

• Mass

• Color

• Boiling point

What happens to the mass of water when you add more water to it?

• The mass decreases.

• The mass remains the same.

• The mass increases.

• The mass fluctuates.

What is a chemical property?

• A characteristic that can be determined without changing the substance's chemical identity.

• The density of a substance.

• The color of a substance.

• A characteristic that can only be determined by changing the substance's molecular structure.

What is the heat of combustion?

• The energy released when a compound undergoes burning with oxygen.

• The temperature at which a substance melts.

• The color change of a substance when heated.

• The temperature at which a substance boils.

What is an example of a physical change?

• Combustion of gasoline.

• Rusting of iron.

• Turning water into ice.

• Burning wood to cook.

What is an example of a chemical change?

• Burning wood.

• Boiling water.

• Freezing water.

• Melting ice.