Properties of Matter - Describing & Observing Matter

Which of the following changes demonstrates a chemical property?

• a substance breaks in half

• a substance catches on fire (combusts)

• a hammer bounces off a substance

• a substance floats in water

Which of the following is a pure substance?

• water

• saltwater

• sugarwater

• chocolate milk

Which of these statements describes a chemical property of an object?

• An object has a powdery texture.

• An object is blue.

• An object has a density of 5.6 g/cm3

• An object reacts with vinegar to form carbon dioxide.

Which property describes the temperature at which a liquid changes to a gas?

• freezing point

• boiling point

• melting point

• condensation point

Which property describes the temperature at which a gas changes to a liquid?

• freezing point

• boiling point

• melting point

• condensation point

Which property describes the temperature at which a solid changes to a liquid?

• freezing point

• boiling point

• melting point

• condensation point

Which property describes the temperature at which a liquid changes to a solid?

• freezing point

• boiling point

• melting point

• condensation point

Which property describes the ability of one substance to dissolve in another substance?

• solubility

• reactivity

• density

• flammability

Which property describes the ability of one substance to allow heat to pass through it?

• solubility

• thermal conductivity

• density

• flammability

Which property describes the comparison of an object's mass to its volume?

• solubility

• thermal conductivity

• density

• flammability