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Examples
Illustrations
Analysis
Observations
Calculations
100
Sulfur, Nitrogen, Aluminum, Potassium
What are elements?
100
The smallest basic unit of matter
What is an atom?
100
Amount of force acting on a certain area
What is pressure?
100
A change that affects one or more physical properties of a substance
What is a physical change
100
Amount of space contained by a solid. Formula = length x width x height
What is volume?
200
Oxygen, Neon, Helium, Carbon
What are gases?
200
Contents of two or more pure elements that remain the same individual substances and can be separated by physical means.
What is a mixture?
200
Measure of an amount of matter for a given area
What is density?
200
Changes that occur when one or more substances change into entirely new substances with different properties
What is a chemical change?
200
A property of matter representing the mass per unit volume. Formula = mass/volume
What is density?
300
Ice, Wood, Metal, Brick
What are solids?
300
Contents that consist of two or more different types of atoms bonded together.
What is a compound?
300
In ordinary chemical and physical changes, mass is not created or destroyed but is only transformed into different substances
What is the Law of Conservation of Mass
300
State of matter that has a definite volume and shape
What is a solid?
300
The number before a chemical formula that indicates how many molecules are involved in a chemical reaction
What is a coefficient?
400
Sun, Stars, Lightening, TV Pixels
What are plasmas?
400
Two or more atoms that are held together by covalent bonds so that they move as a single unit.
What is a molecule?
400
Mixtures in which the particles of a material are spread throughout the liquid or gas but are too large to stay mixed without being shaken or stirred
What is a suspension?
400
State of matter that has a definite volume but can change shape
What is a liquid?
400
The temperature at which a substance changes from its liquid state to its gas state
What is boiling point?
500
Milk, Water, Juice, Vinegar
What are liquids?
500
Anything that has mass and takes up space
What is matter?
500
Mixtures in which a material spreads throughout the liquid or gas but are small and do not settle out quickly
What is a colloid?
500
State of matter that can change volume and shape
What is a gas?
500
The temperature at which a substance changes from its solid state to its liquid state
What is melting point?