Matter
Burning wood
Chemical change
What is a physical property?
A physical property describes a substance by itself. Describes matter based on observations made by the senses or from measurements. No new substance is formed
EXPLAIN how paper can be changed physically?
Picture a piece of paper being cut. Does the sheet of paper turn into a new substance? No, the sheet of paper is paper but it is being turned into another shape.
Melting ice into water
physical change
What is a physical property of gold?
Shiny
What is an example of a chemical change?
Baking soda and vinegar,
photosynthesis
cellular respiration
Name something that is not matter.
rainbow, dreams, thoughts, time, sound, light,
Baking cookies
chemical change
What is a chemical property of iron?
abiltiy to oxidize
reactivity
What is another name for a chemical change?
a chemical reaction
Boiling point
physical property
What is a chemical property of wood?
flammability
combustibility
Give 2 examples of a physical change
Paper being cut
Ice melting
According to the Law of
Conservation of Mass, if a chemical change takes place, the mass of the ______ will be equal to the mass of the __________.
products, reactants
Malleability
Physical property
Silver is a malleable metal. It does not burn or react with oxygen. Which sentence shows the chemical property and which shows the physical property of silver?
The first sentence is the physical property of silver and the second sentence is the chemical property of silver
What is a chemical change?
A chemical change is any change that results in the formation of new chemical substances
What 3 subatomic particles make up all elements?
protons, neutrons, and electrons