Physical Prop Ch2.2 8th Pdf
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Chapter 2 Section 2
Identify 6 examples of physical properties of matter Describe how density is used to identify substances List 6 examples of physical changes Explain what happens to matter during a physical change
Can be observed or measured without changing the matter’s identity Examples: Color Odor Mass Volume Strength Flexibility
Thermal conductivity
State
Density
Solubility
Ductility
Malleability
Density formula: D = Mass/Volume
Units: g/mL or g/cm³
Practice problems:
◦ A block of pine wood has a mass of 120g and a volume of 300cm³. What is the density of the wood?
◦ A sample of metal has a mass of 3,623g and a volume of 508cm³. What metal is it?
Knowing density can tell you whether an object will sink or float The density of water is 1 g/mL
If the density of an object is less than water, it will float If the density of an object is greater than water, it will sink
Identities of the objects are not changed; matter is not changed Give 3 examples of physical changes…
List 3 physical properties of water You have 2 objects, both about the size of an orange. Object A has a mass of 1,487g, and object B has a mass of 878g. Which object has the greater density? Explain.
Identify 6 examples of physical properties of matter Describe how density is used to identify substances List 6 examples of physical changes Explain what happens to matter during a physical change
Can be observed or measured without changing the matter’s identity Examples: Color Odor Mass Volume Strength Flexibility
Thermal conductivity
State
Density
Solubility
Ductility
Malleability
Density formula: D = Mass/Volume
Units: g/mL or g/cm³
Practice problems:
◦ A block of pine wood has a mass of 120g and a volume of 300cm³. What is the density of the wood?
◦ A sample of metal has a mass of 3,623g and a volume of 508cm³. What metal is it?
Knowing density can tell you whether an object will sink or float The density of water is 1 g/mL
If the density of an object is less than water, it will float If the density of an object is greater than water, it will sink
Identities of the objects are not changed; matter is not changed Give 3 examples of physical changes…
List 3 physical properties of water You have 2 objects, both about the size of an orange. Object A has a mass of 1,487g, and object B has a mass of 878g. Which object has the greater density? Explain.
