Physical Properties
An observable or measurable change, but NOT a change in identity
What is a physical property?
Characteristics that describe a substance’s ability to change into a NEW substance with different properties.
What are chemical properties?
What physical property is the ability to attract magnets?
Magnetism.
Paper towel absorbs water.
Physical
What is matter?
Anything that has mass and takes up space.
Water _____ at 100 degrees Celsius and _______ at 0 degrees Celsius.
boils, freezes (physical properties)
Flammability, reacts with oxygen, acid and water
What are types of chemical properties?
True or false: Physical changes are usually reversible
True. (but not always)
Two chemical are mixed together and a gas is produce.
Chemical
The amount of matter an object has is its _______.
Mass
What can you use to identify physical properties of a substance?
Your 5 senses (sight, taste, touch etc.)
What type of chemical change occurs when an apple is exposed to oxygen for a period of time?
Rottening.
Ability to dissolve is a physical property. (True or False?)
True.
When pyrite reacts to water, it gives off a violet light.
Chemical
The amount of space an object takes up is its _______.
Volume
What physical properties do an orange and a softball have in common?
They are both round
What is a chemical property of metal?
Rust
Describe the physical change that occurs when a mortar and pestle are used on solid salt crystals.
Ground into a fine powder
A piece of ice melts and reacts with sodium.
Physical and Chemical
Mass is measured using which tool?
A. Balance
B. Beaker
C. Graduated Cylinder
D. Microscope
List 4 physical properties of ice.
Cold, solid, clear/white, floats in water.
What is the chemical properties of sodium?
It reacts violently with water.
Changes in state are physical properties. (True or False?)
True.
In baking biscuits and other quick breads, the baking powder reacts to release carbon dioxide bubbles. The carbon dioxide bubbles cause the dough to rise.
Chemical.
Which of the following are non-examples of matter?
A. Apple
B. Car
C. Force
D. Tree