Physical Science Chapter 15
Terms in this set (37)
The study of the composition, structure, and properties of substances and the changes they undergo.
A substance that is produced or used in a chemical reaction.
Anything that has mass and takes up space.
A measure of the amount of material that an object is made of or a measure of the amount of matter.
The 3D space that an object occupies.
The smallest unit of matter that keeps the same properties of matter.
A type of matter with a fixed composition. In other words, what they are made of can not change.
Matter made of only one kind of atom.
Matter made of two or more atoms of different elements chemically combined. They can not be separated by physical means.
A blend of 2 or more substances that at physically combined. Percents of each substance can change and it will still create the same thing. Each substance keeps its own properties and they do not create a new set of properties.
Substances that are equally mixed and look the same throughout.
A type of homogeneous mixture where the particles are pretty large, but small enough to where they don't settle out.
The scattering of light as it passes through a colloid.
Another name for a homogeneous mixture that occurs when you combine a solvent and a solute.
A substance that dissolves another substance.
The substance that is being dissolved.
Mixtures that do not mix evenly. You can see all of the different parts.
A specific type of heterogeneous mixture where the particles are large enough to settle out. One substance has to be a liquid, and the other has to be a solid.
Characteristics that depend on the amount of matter present.
Characteristics that do not depend on the amount of matter present.
Characteristics of a material that are observed without changing the identity of the material.
A change in the size, shape, or phase of matter in which no new substance is formed.
Characteristics of matter in which one or more substance change into one or more new substances.
A change of one substance to another.
The substance that you begin with that does the changing.
The substance that results after a chemical change, or the end product.
Gas Bubbles, Precipitate, Temperature, Color, Odor, Light
Indicators of a Chemical Reaction
1. Formation of ______ _____________
2. Formation of a _________________
3. Change in _________________
4. Change in ____________
5. Change in ____________
6. __________ is Given Off
Law of Conservation of Mass
Mass cannot be created or destroyed, it can only change forms.
Rotting is a ________________ change.
Tarnishing is a ________________ change.
Rust is a ______________ change.
A phase change is a _______________ change.
Growing and baking are examples of _____________ changes.
Density is a _____________________ property.
Burning is a _____________ change.
Dissolving is a _____________ change.
Pop with fizz is a ______________________ mixture.
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