What is Matter? Identify which of the following would be considered matter: • a computer • microwaves • paper • iron • heat • ice cream • time • sound • wood • Mars • sand • sunlight • a rock • the Sun • energy • a spider • a tree • paint • snow • memories • clouds • a sandwich • a fingernail • thoughts • gravity
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What is Matter? Identify which of the following would be considered matter: a computer microwaves paper iron heat ice cream time sound wood Mars sand sunlight.
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What is Matter?
Identify which of the following would be considered matter:
• a computer • microwaves • paper • iron • heat
• ice cream
• time • sound • wood • Mars • sand • sunlight• a rock • the Sun • energy • a spider
• a tree • paint • snow • memories • clouds • a sandwich • a fingernail • thoughts • gravity
What is Matter?Identify which of the following would be considered matter:
• a computer • microwaves • paper • iron • heat • ice cream • time • sound • wood • Mars • sand • Sunlight
• a rock • the Sun • energy • a spider • a tree • paint • snow • memories • clouds • a sandwich • a fingernail • thoughts • gravity
Matter = 16 , non-matter = 9
Other DefinitionsWhat are elements?• An element is a pure substance that is made
up of only one kind of atom.What are atoms?• Atoms are the smallest unit of an element
that maintains the identity of that element.What are compounds?• A compound is a substance made up of two or
more elements that are chemically bonded.
Properties of Matter
Properties of matter can be divided into two categories:
A physical property can be observed or measured without changing the identity of the substance.
A chemical property describes the ability of a substance to undergo changes and turn into another substance. It changes the chemical identity of the substance.