Elements
Compounds
Mixtures Solutions
Physical Properties
Chemical Properties
100
A substance that cannot be broken down into other substances by heat, light, or electricity.
What is an element
100
Two or more atoms joined together; the smallest unit of many substances.
What is a molecule?
100
I am very easy to separate.
What is a mixture?
100
Color, taste, odor, texture, and size, mass, hardness, elasticity, melting point, and magnetism
What are physical properties
100
Describes the way a substance reacts with other substances.
What is a chemical property?
200
An element is called the _________ _________ of matter.
What is a building block?
200
Air is a mix of these elements.
What is nitrogen, oxygen, and other gases?
200
The difference between solutions and compounds.
What is being chemically joined?
200
Smooth, hard, shiny, dull
What is texture?
200
A substance changing into something else.
What what are changing physical and chemical properties?
300
A chart that classifies elements by their properties.
What is the periodic table?
300
A substance made up of atoms of more than one element joined together in a molecule.
What is a compund?
300
A mixture in which substances break up into their most basic particles, which are too small to be seen, and spread evenly throughout a substance.
What is a solution?
300
Stretching or bending without breaking.
What is elasticity?
300
A change that produces a new substance.
What is a chemical change.
400
Iron, gold, silver, tin, copper
What are elements known to early scientists?
400
Every compound has its own ________.
What are properties?
400
I can be contained in a liquid solution.
What is a gas?
400
A change in one or more of its physical properties.
What is physical change?
400
A chemical property of iron.
What is rust?
500
How elements on the periodic table are arranged.
What are those that share similar properties?
500
Limestone, chalk, seashells are made of this.
What is calcium carbonate?
500
You can use this to separate a mixture of sand and iron filings.
What is a magnet?
500
Changing state
What is an example of a physical change?
500
A process that produces one or more substances that are edifferent from the original substances.
What is a chemical reaction
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