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TRANSCRIPT
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The Properties of Matter
•What is it?•How do you measure it?•What is the difference between
mass and weight?•How do you describe it?
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Words to know
• Matter • Volume
• Meniscus
• Mass
• Gravity
• Weight
• Newton
• Inertia
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What is it?•MatterMatter : Any thing that has volume or mass.
•VolumeVolume: The amount of space taken up, or occupied, by an object.
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How do you measure it?
• Liters (L) and milliliters (mL) are the units that are most used to express the volume of liquid.
• The use of a graduated cylinder aids in the measuring of liquids. The surface of the liquid is not flat.
• Meniscus: The curve that you see at
the liquid’s surface.
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Solids
•The volume of any solid is expressed in cubic units.
•Cubic meters (m3) or cubic centimeters (cm3)
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Gases
•When you measure a gas you need to know the volume of the container that it is in. If you know the volume of the container then you will know the volume of gas.
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Mass
• Mass: The amount of matter that something is made of.
• What is the difference between Mass and weight?
• Gravity: a force of attraction between objects that is due to their masses.
• Weight: a measure of the gravitational force exerted on an object.
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The Difference is. . .
Mass
• Measure of the amount of matter in an object.
• Always constant• Measured with a
balance• Expressed in
kilograms (kg), grams (g), and milligrams (mg)
Weight
• A measure of the gravitational force on an object.
• Varied depending on where the object is in relation to the Earth.
• Measured with a spring scale.
• Expressed in newtons (N)
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Inertia•Newton: The SI unit of force•Inertia: the tendency of all objects to resist any change in motion.
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Describing Matter: Words to Know
• Physical Property
• Density
• Chemical Property
• Physical Change
• Chemical Change