The Atom
Atoms Combine
Changes in Matter
Properties of Matter
Matter Uses
100
Scientists use these to explain or illustrate objects and systems
What is a model?
100
A substance that consists of a single type of atom
What is an element?
100
This causes matter to change.
What is energy?
100
The measure of how compact something is.
What is density?
100
Allows people to use their knowledge to invent stuff
What is technology?
200
The center of an atom that contains neutrons and protons.
What is the nucleus?
200
A molecule that consists of two or more different elements
What is a compound?
200
Changes of state (solid, liquid, gas) are types of this change.
What are physical changes?
200
The measure of how compact matter is
What is density?
200
Nuclear power plants use nuclear energy to make this
What is electricity?
300
Negatively charged particles that orbit the nucleus
What is an electron?
300

C6H12O 6  is a type of this.

What is a chemical formula?
300
Pieces that together create a chemical reaction.
What are reactants?
300
Matter's ability to change into a different substance
What is chemical property?
300
The type of energy that is produced when scientists split an atom's nucleus.
What is nuclear or atomic energy?
400
The neutral particle of the nucleus
What is a neutron?
400
A scientific chart that lists and organizes the elements by the properties they possess
What is the periodic table?
400
Another name for a chemical change.
What is a chemical reaction?
400
The ability to rust is this kind of property
What is a chemical property?
400
This type of cloud is produced from an atomic explosion.
What is a mushroom cloud?
500
The positive particle of the nucleus
What is the proton?
500
Each element has one- or two- letter ________ ________ that represents the element's name
What is a chemical symbol?
500
A substance produced by a chemical reaction
What is a product?
500
Cutting down a tree is an example of this type of change.
 What is a physical change?
500
Type of materials that help keep a computer from overheating.
What are insulators?
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