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Combinations of Matter
Properties of Matter I
Properties of Matter II
Atomic Structure
Energy and Temperature
100
This consists of two or more substances that are not chemically combined
What is a mixture?
100
The physical state of a substance
What is phase?
100
Those properties that can be determined without changing the chemical makeup of a substance
What are physical properties?
100
The smallest sample of an element
What is an atom?
100
The temperature scale that has zero as the freezing point of water
What is Celsius?
200
A kind of mixture that is the same throughout
What is a homogeneous mixture?
200
The physical state of a substance in which volume and shape are fixed
What is a solid?
200
The kind of change in which no new substances are formed
What is a physical change?
200
The subatomic particle that has a positive charge
What is a proton?
200
This scale has zero as the lowest possible temperature
What is Kelvin?
300
A kind of mixture that is not the same throughout
What is a heterogeneous mixture?
300
The physical of a substance in which volume is fixed but shape is not
What is liquid?
300
Those properties that can be determined only by changing the chemical makeup of a substance
What are chemical properties?
300
The subatomic particle that has a negative charge
What is an electron?
300
Specific name for the lowest possible temperature on the Kelvin scale
What is absolute zero?
400
Of the following, the one that is homogeneous: salt water, fresh water, or fruit salad
What is salt water?
400
The physical state of a substance in which neither shape nor volume are fixed
What is a gas?
400
The kind of change in which one or more new substances are formed
What is a chemical change?
400
The subatomic particle that has no charge
What is a neutron?
400
A device for measuring the heat content of a sample
What is a calorimeter?
500
Of the following, the one that is a heterogeneous mixture: salt water, fresh water, fruit salad
What is fruit salad?
500
Another name for the gaseous state of matter
What is a vapor?
500
Of the following, the one that is a chemical change: cutting down a tree, crushing a soda can, burning a pile of leaves, or breaking a glass
What is burning a pile of leaves?
500
The central portion of the atom that contains the protons and neutrons
What is the nucleus?
500
This form of energy moves only from "hot" objects to "cold" objects
What is thermal energy?