Chemistry
Chemistry
Electricity
Electricity
Space
100
The smallest unit of matter that can take part in a chemical change.
What is an atom?
100
Developed the "raisin-bun" model.
Who is J.J. Thompson?
100
Electricity that does not move.
What is static electricity?
100
Negatively charged particle.
What is an electron?
100
Mercury, Venus, Earth, Mars.
What are the terrestrial planets?
200
WHMIS.
What is Workplace Hazardous Materials Information System?
200
The number of protons in the nucleus. This number determines the identity of an atom.
What is the atomic number?
200
An atom with a positive or negative charge due to loss or gain of an electron.
What is an ion?
200
A material that does not allow electric charges or heat to move freely on or through it.
What is an insulator?
200
Sun-centered
What is heliocentric?
300
A characteristic of a substance that describes its ability to react chemically with other substances, creates a new substance.
What is a Chemical Property?
300
A term used to describe a group of related elements.
What is a chemical family?
300
A material that allows electric charges or heat to move freely on and through it.
What is a conductor?
300
A shock.
What is discharge?
300
Time it takes for the earth to move around the sun, 365 days.
What is a revolution?
400
Developed the atomic model.
Who is John Dalton?
400
Represents the sum of the protons and the neutrons in an atom.
What is the Atomic Mass or Mass Number?
400
Like charges repel and unlike charges attract.
What is the law of electric charges?
400
Electrons are moving from one place to another when they come in contact with one another.
What is charging by contact?
400
Emits its own light.
What is luminous?
500
A pure substance made up of two or more elements that are chemically combined.
What is a compound?
500
Group on the periodic table located on the far right column.
What are the noble gases?
500
The wire going from the load back to the source, completing the circuit.
What is the neutral wire?
500
Provides chemical energy for a circuit.
What is a source?
500
Star that is bigger than the sun.
What is a Super Red Giant?
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