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Physical Properties
Does it Matter?
Magnetism
• Matter that contains iron or nickel will be attracted to a magnet.
• Not all metals are attracted to a magnet.
Physical State• Three forms: liquid, solid, or gas • Can change from one form to
another by the processes of melting, freezing, evaporation, and condensation
• Temperature changes are involved with changes in state.
Mass
• Mass is the amount of matter in an object. Mass is measured with a balance.
• Mass is not the same as weight.
• Weight is a result of the pull of gravity on an object and is measured with a scale.
Relative DensitySinking & Floating
• Weight doesn’t determine if an object will sink or float.
• The volume of an object and how much “stuff” (matter) is in the object will determine the density.
Solubility in Water
• Ability of a substance to dissolve when added to water
• A liquid, solid, or gas can be dissolved in water. Examples may include lemon juice in water, sugar in tea, and the carbonation in a soda.
Conduction
• Some materials allow thermal (heat) or electrical energy to flow through them easily.
• These materials are called conductors.
Insulation
• Some materials do not allow thermal (heat) energy or electrical energy to flow through them easily.
• These materials are called insulators.
Does it Matter?
• Matter has properties that can be observed and measured.
• These properties determine how matter is
classified changed or used