Matter
Burning wood
What is a 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
Name and explain a way that paper can be changed physically?
What is a piece of paper being cut. 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.
What is an element?
An pure substance made up of only one atom
Melting ice into water
What is a physical change
What is a physical property of gold?
Shiny
What is an example of a chemical change not including ones that we explored in a lab?
Coke and Mentos
photosynthesis
cellular respiration
Name something that is not matter.
What is rainbow, dreams, thoughts, time, sound, light (other acceptable examples)
Baking cookies
What is a chemical change
What is a chemical property of iron?
abiltiy to oxidize
reactivity
Name one chemical change we explored in a lab?
Boiling point
What is a physical property
What is a chemical property of wood?
flammability
combustibility
What is a physical change?
What is a transformation or change in which the appearance, shape, size, or state of matter of a substance is changed without changing its chemical composition or identity
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
What is a Physical property
Silver is a malleable metal. It does not burn or react with oxygen. Which one of those properties is a physical property?
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