# Introduction to Physics and Chem Final Review Fall 2011

## 70 terms · The terms and concepts covered in the fall semester 2011

### scientific Theory

A logical explanantion of events that occur in nature. A group of ideas such as how to fight the common cold or how dinosaurs became extinct

### Law

A singular scientific concept that has been tested many times and is generally accepted as true. Example: gravity

### Hypothesis

An educated guess. The guiding question of any experiment.

### Variable

Independent or dependent part of experimental set up that is being tested

### Control or Constant

Part of any experiment that is not altered to use as comparison

### Meter

Basic unit of length in systems international (metric system)

### Gram

Basic unit of mass in systems international (metric system)

### Centi

Metric prefix that means one-hundreth

### Milli

Metric prefix that means one-thousandth

### Kilo

Metric prefix that means one thousand

### O degrees Celsius

Freezing Point of Water

### 0 degrees Celsius

Melting Point of Ice

### 100 degrees Celsius

Boiling Point of water

### Formula for volume of a regular solid

length x width x height

length x width

### Equivalent to 1 mL

1 cubic centimeter

### Density

Mass per unit volume

Density of Water

### Displacement of Water

Technique to measure the volume of an irregular shaped object

### Stain on the lab floor

Montag did not do it

### Mass

Amount of matter in an object

### Volume

The amount of space an object takes up

### CC or mL

Measurements for volume

### Matter

Anything that occupies space (volume) and has mass

Types of Solid

### The Gas Laws

Boyles and Charles Gas Laws

### Gas

State of matter with no regular volume or shape and high kinetic energy

### Volume

State of matter with regular volume but takes on shape of container.

### Solid

State of matter with regular shape and volume.

### Kinetic Energy

Energy of motion of particles.

### Temperature

The measurement of the average of the kinetic energy

### Kinetic Energy (sometimes called Heat energy)

The energy required for phase change

### Vaporization

Boiling or Evaporation

### Chemical Properties

Properties of matter that describe how a substance becomes a new and different substance. Such as flammability

### Physical Properties

Properties of matter that describe the look or feel of the substance. Such as color, density, odor

### Element

The most basis substance comprised of protons, neutrons and electrons

### Substances are made up of either ___ Or ____

Elements or Compounds

### Compounds

Two or more elements chemically combined

### Mixtures

Two or more substances physically combined such as salt water or chex mix

### Homogeneous Mixture

Also known as solutions. Mixture that is the same throughout. such as the air we are breathing or a gold ring

### Solute

The part of a solution that is dissolved. Such as cream in coffee or sugar in tea

### Solvent

The part of the solution that does the dissolving. Water is the universal solvent

### Water

The universal Solvent

### Periods

The rows on the periodic table

### Families or Groups

The columns on the periodic table

### Metals

Elements on the left side of periodic table

### Non-Metals

Elements on the right side of the periodic table

### Mendeleev

The Father of the periodic table

### Protons, Neutrons, and Electrons

The three subatomic particles

### Nucleons

Protons and Neutrons (located in the nucleus of the atom)

### Atoms

The building blocks of matter

### Electron Cloud

Location of the electrons in the atom

### Electron

The negatively charged sub atomic particle

### Neutron

The neutrally charged subatomic particle located in nucleus of the atom

### Proton

Positively charged sub atomic particle located in the nucleus of the atom

### Atomic Number

The number of protons in an atom

### Heterogeneous Mixture

Mixture, so physically combined, that the parts are visible and more easily separated. Such as fruit salad, chex mix

### Isotopes

Elements that have the same number of protons but different number of neutrons. Such as Carbon-12, Carbon-14

### Atomic Weight

Average mass of all the isotopes of an element. This number is listed on the periodic table. Example for lithium 6.789

### Mass Number

The number of Protons and Neutrons (nucleons) in an element.

### Nucleons

Protons and Neutrons

Neutral

### Charge of Ions

Positive or Negative because number of protons and electrons are not the same

### Whining/complaining, procrastination and blaming

QBQ we work to eliminate ____, _____ and ____

### What and How

All QBQs begin with _____or ______

### Action

All QBQs focus on ______

### QBQ and Personal Accountability

"Leadership, more than anything else, is about the way we think. It's a moment-to-moment disciplining of our thoughts. It's about practicing personal accountability and choosing to make a positive contribution no matter what our role..." This is really the main idea of ____?

### QBQ

A tool that helps individuals practice personal accountability by making better choices in the moment

### Victim Thinking/Whining, Procrastination and Blame

The 3 Traps that QBQ! helps us eliminate.

### Personal Accountability

Making a better choice in the moment is the definition of ____