Properties of Matter

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# Properties of Matter - PowerPoint PPT Presentation

Properties of Matter. Chapter 9, Lesson 1. How Can You Describe Matter?. Properties are things that can be observed about an object or group of objects. Color, size, shape, mass, weight, volume, density, boiling point, solubility, etc are all properties. How Can You Describe Matter?. Mass

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### Properties of Matter

Chapter 9, Lesson 1

How Can You Describe Matter?
• Properties are things that can be observed about an object or group of objects.
• Color, size, shape, mass, weight, volume, density, boiling point, solubility, etc are all properties.
How Can You Describe Matter?

Mass

• the amount of matter in an object
• remains the same
• measured in g or kg

Weight

• how strongly gravity pulls on the mass of an object
• changes depending on the gravitational pull
• measured in Newtons (N)
How Can You Describe Matter?

Volume

• how much space matter takes up
• measured in mL or cm3
• Use the water displacement method for irregularly shaped objects
• LxWxH for regularly shaped objects
How Can You Describe Matter?

Density

How much “stuff” (mass) is in a given space (volume)

Density = Mass÷Volume

Can be changed by varying the volume of the object

How Can You Describe Matter?

Buoyancy

• the resistance to sinking
• depends on mass and volume of the object (density)

Surface tension – the tendency for water particles to pull towards each other

What Forms Can Matter Have?

Solid

• Particles are very closely packed
• Have definite volume and definite shape
What Forms Can Matter Have?

Liquid

• Particles move freely
• Have definite volume but no shape
What Forms Can Matter Have?

Gas

• Particles move past each other very easily
• Have no definite volume or shape