Scientific Method
Matter
The Atom
Significant Figures
100
State the problem
What is the first step in the Scientific method?
100
B. an atom
What is composed of matter? a.) electricity b. an atom c. light d. heat
100
Protons and Neutrons
What is in the center of the atom?
100
What are significant figures?
Every digit after the first non-zero number.
200
To Gather information
What is the second step of the Scientific Method?
200
The physical substance that makes up everything
What is matter?
200
electrons
What is outside the atom?
200
What happens to the number of significant figures if a decimal is present?
Nothing. The decimal has no effect.
300
To Form a hypthosis
What is the third step of the Scientific Method?
300
Depends on appearance or behavior
What is a physical property?
300
the number of isotopes.
What equals to the number of neutrons?
300
How do you write scientific notation?
Example: 0.0000067 = 6.7 x 10^-7
400
what is being manipulated in an experiment
What is an independent variable?
400
Can be observed during a reaction, charges the chemical makeup.
What is chemical properties?
400
the number of ions
What is equal to the number of electrons?
400
In the following number, how many significant figures are there: 2.0004
5
500
what is being measured as a result of the manipulation of the independent variable?
What is a dependent variable?
500
Solid, Liquid, and Gas
What are the 3 phases of matter?
500
the atomic number, number of neutrons
What is equal to the number of protons?
500
What does the following equation represent: 9.2 x 10^6
9200000
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