DESCRIBING MATTER
Anything that has mass and takes up space
Matter
A substance that cannot be broken down into any other substance by chemical or physical change
Element
To Measure the volume of an irregular shaped object we can use what method? Name the method.
Displacement.
The amount of space that a matter occupies
Volume
Measurement of how hot or cold something is
Temperature
Name 5 physical properties of matter.
color, odor, mass, density, volume, hardness, melting point, boiling point, state of matter, texture, and electrical conductivity etc.
The basic particle from which all elements are made
Atom
Made of 2 or more substances that are together in the same place but their atoms are not chemically bonded
Mixture
the measure of the mass of a material in a given volume
Density
Total energy of the motion of all of the particles in an object
Thermal Energy
A single kind of matter that is pure with specific composition
Substance
Parts of a mixture that are not combined in a set ratio is a ________________ mixture. For example, a bowl of mixed nuts.
Heterogeneous Mixture.
The measure of the force of gravity on you
Weight
Alters the form or appearance of matter but does not turn any substance in the matter into a different substance
Physical Change
A change in which energy is absorbed
Endothermic Change
A characteristic of a substance that can be observed without changing it into another substance
Physical Property
A group of two or more atoms held together by chemical bonds
Molecule
The amount of matter in an object
Mass
A change in matter that produces one or more new substances
Chemical Change
Changes in matter when energy is given off
Exothermic Change
Characteristic of a substance that describes the ability to change into another substance
Chemical Property
A substance made of two or more elements that are chemically combined in a set ratio
Compound
What formula is used to calculate density?
M/V=D
The fact that matter is not created or destroyed in any chemical or physical change
Law of Conservation of Mass/Matter
Name 3 chemical changes.
Photosynthesis, Combustion, Rusting, spoiling of food, Oxidation etc.