A Way of Thinking
Measurement
Classification of Matter
Atomic Structure
Lab & Chemical Safety
100
This is the statement that scientists use to clearly share what they expect to find out during their experiment.
What is a hypothesis?
100
The measure of the amount of matter in an object.
What is mass?
100
Two or more substances that are combined physically .
What is a mixture?
100
The number of protons in an atom’s nucleus.
What is the atomic number?
100
The first place to look for chemical safety information.
What is the label of the container?
200
This is the traditional model of how to conduct scientific inquiry.
What is the scientific method?
200
The method scientists use to write very large and very small numbers.
What is scientific notation?
200
This has a definite volume but not definite shape.
What is liquid?
200
These two particles make up the nucleus of an atom.
What are protons and neutrons?
200
This is the range for hazard ratings.
What is 0 to 4?
300
The variable you are going to change in the experiment
What is the independent variable?
300
The metric scale for absolute temperature.
What is Kelvin?
300
The movement of particles from an area of high concentration to an area of low concentration.
What is diffusion?
300
Protons, neutrons, and electrons have these kind of charges.
What is positive (+), neutral, and negative (-)?)
300
Gives workers and emergency personnel information about the proper way to handle or work with a certain substance.
What is the Material Safety Data Sheet (MSDS)?
400
This does not change throughout the experiment.
What is the control?
400
? (blank)
What is ?
400
A change of state from a gas to a liquid.
What is condensation?
400
When an atom loses electrons, the atom becomes positively charged. This atom is now a positively-charged ion.
What are cations?
400
Indicates the likelihood of the substance to vaporize, ignite, and burn.
What is What is flammability?
500
A description of a natural event or thing shown to occur again and again under certain conditions.
What is a law?
500
This is the prefix for a base unit (i.e. meter) with a numerical value of 109 (1,000,000,000).
What is giga-?
500
This is the mass of one molecule of a substance.
What is molar mass?
500
The Danish scientist that suggested that the outer orbits determined the atom’s chemical properties as well as had a “model” named after him .
Who is Niels Bohr?
500
Indicates the likelihood of the substance to release energy by chemical or explosion.
What is reactivity?
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