Unit 1 Science Study Guide Flashcards
Physical science is the study of______________________
nonliving things that make up the world
Chemistry is the study of_____________________
Atoms molecules and chemicals interacting with each other
Physics is the study of____________________
Matter, energy, emotion, and force
Conversion factor is ______________________
The relationship between two numbers (ex. 1 meter = 3.28 feet)
What are the two branches of physical science?
Chemistry and physics
What is Matter?
Has mass and takes up space
Name three things that are not considered to be matter
Energy, light, sun, and time
What are the two main categories of matter
Pure substances and mixtures
What are three Separation techniques used in physical science
Distillation, chromatography, and filtration
What are two types of heterogeneous mixtures
Colloids and suspension
Which heterogeneous displays the Tyndall affect
Colloids
Define Atom
The smallest unit on earth
Define element
Pure substance that cannot be broken down
Three examples of an element
Oxygen, hydrogen, steel
Define molecule
Particle consisting of two or more atoms bounded together
Define compound
Pure substance consisting of atoms of two or more
Give three examples of a compound
Steel, water, sodium
Define mixture
Combination of two or more substances that are not chemically combined
What are two types of mixtures
Heterogenus and homogeneous
What is an extensive property
Mass weight volume height
Give three examples of an Extensive property
Volume energy mass
What is an intensive property
Matter that depends only on the type of matter in the sample not the amount
Give three examples of an intensive property
Temperature, color, solubility
What is a solute
The minor component and a solution, dissolves in the solvent
What is a solvent
The liquid in which a solute is dissolved to form a solution
Define distillation
The act of purifying a liquid by the process of heating and or cooling
Define filtration
The action or process of filtering something
Define chromatography
The process of supporting components of a mixture
Define colloid
Two or more substances mixed together but not chemically combined
Define suspension
Temporary early prevention of something from
What is the tendal affect
Scattering of light by tiny particles
Define volume
The amount of space occupied by a three dimensional figure
Define atom
The smallest partial into which an element can break down to
Define model
A easier process to understand than the real one