Nature of Science
Matter
Solid, Liquid, Gas
Elements and Periodic Table
Atoms
100
Name one Lab Safety procedure
Read lab instructions before starting, Always follow lab procedures exactly, Never do an unauthorized experiment, Never eat or drink in the lab, Never engage in practical jokes or horseplay, Wash hands after every lab.
100
Anything that has mass and takes up space is called
matter
100
A substance with no definite volume and no definite shape is a
gas
100
What is the atomic mass of Carbon (C)?
12.0107
100
Which parts of the atom move around outside the nucleus?
electrons
200
The step by step process of testing your hypothesis
experiment
200
The measure of the mass of a material in a given volume is called
Density
200
When a solid changes directly into a gas, this is called ______________.
sublimation
200
A column of elements in the periodic table is called
group
200
A subatomic particle that has a posative charge is called a(n)
Proton
300
A divided circle where each “piece” represents a proportional fraction. Used to show how a part of something relates to the whole
Pie graph
300
Salt water, and Kool-Aid are examples of what type of mixture?
Homogenous mixture
300
Boyle’s law relates the pressure of a gas to its...
volume
300
What family (group) does Argon (Ar) belong to?
Noble Gases (18)
300
In an atom, the second electron shell can hold up to how many electrons?
8
400
The metric prefix that means one thousand (1000) is...
kilo-
400
The law of conservation of mass states that during a chemical or physical change mass is
neither created or destroyed
400
Charles’ law relates the volume of a gas to its...
temperature
400
An iron atom has an atomic mass of 56. Its atomic number is 26. How many neutrons does an atom of iron have?
30
400
Who used the word “atomos,” meaning cannot be divided, to describe the atom?
Democritus
500
Correct placement of variables on a graph
x-axis is...
y-axis is...
x-axis is the Independent variable
y-axis is the dependent variable
500
The ability of a substance to react with oxygen is an example of a ________________ property.
chemical
500
What is the density of a sample of liquid that has a volume of 125 mL and mass of 200g?
1.6 g/mL
500
Two different isotopes of an element have different
number of neutrons
500
How many atoms are in a diatomic molecule?
2