About This Chapter
1. Law of Conservation of Matter: Definition & Matter
In this lesson, we'll learn the definition of the Law of Conservation of Mass, sometimes called the Conservation of Matter. This lesson explores the discovery of this important principle and covers a few examples of how it works.
2. Length Contraction Explained: Formula & Example
Learn what length contraction has to do with the speed of light, and why we don't notice it in every day life. Also learn a little about other relativity topics that will help you understand length contraction better.
3. Laws of Inertia: Definition & Formula
Inertia is the tendency of an object to stay at rest or in motion. Learn more about Newton's first law as it explains how forces acting on an object are related to the object's mass and motion through several examples, and test your knowledge with quiz questions.
4. Scalar Quantity in Physics: Definition & Examples
In this lesson, you will learn about what makes a number a scalar quantity. You will learn how to identify quantities that are scalars from those that are not scalar quantities. You will also learn about numbers that don't look like scalars but are actually scalars.
5. Vertical Velocity: Definition & Equation
In this lesson we will look at vertical velocity and why it is very different from horizontal velocity. You will learn the equation used to calculate vertical velocity and learn to apply it to a few situations.
6. What is a Newton? - Units & Explanation
A newton is a unit of measurement named after Sir Isaac Newton. It measures force and has units of kilogram meter per second squared. This lesson will describe the newton.
7. What is Net Force? - Definition, Magnitude & Equations
In this lesson, we will define net force, and explore the magnitude of a net force, the relevant equations and examples that will help make the concept of net force clearer.
8. What is Terminal Velocity? - Definition, Formula, Calculation & Examples
In this lesson, we will learn about terminal velocity and why it is better to jump out of a plane with a parachute than without one. We will explore why objects fall at different speeds and how to calculate the maximum speed of a falling object.
9. What is the Formula for Force? - Definition & Explanation
In this lesson, we'll explain what forces are in science. We'll review how to construct free body diagrams and calculate net force in order to use the force equation to solve for force, mass, and acceleration.
10. What is Physics? - Definition, Branches, Fundamentals & Topics
Get a basic overview of modern physics. Learn about the science's origins, the fields of physics being worked in today, and the major subject areas taught in general physics courses.
11. Molality: Definition & Formula
In chemistry, knowing the concentration of a solution is very important. There are different ways to express the amount of concentration, and one of these is by calculating the molality. In this lesson, we discuss molality.
12. Nanometers: Definition & Symbol
Discover what exactly is meant by the term 'nano'. Then learn exactly how small nanometer-sized objects are and some examples of what exists at that size scale, both naturally and artificially created.
13. Natural Laws of Science: Definition & Examples
Natural laws describe how many parts of the natural world work. This lesson defines natural laws and explains the difference between laws and theories. Several examples from physics, biology, and chemistry are also used to illustrate different laws within the natural sciences.
14. Phase Changes of Matter: Types & Examples
We are surrounded by matter. In this lesson, you will learn about phase changes of matter, and the types of phase changes that occur so you can recognize them in the future.
15. Principal Quantum Number: Definition & Example
Quantum numbers were developed to characterize electrons - its electron configuration, movement and position in an atom. Each electron has a unique set of quantum numbers. Of the four quantum numbers, our focus in this lesson is the principal quantum number.
16. Strong Force: Definition, Equation & Examples
In this lesson, you'll learn what strong force is, how it holds an atom together, and how it is balanced by electromagnetic repulsion. A short quiz will follow.
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Other chapters within the General Studies Science: Help & Review course
- Chemical Compounds & Bonds Overview
- Drawing Conclusions from a Scientific Investigation
- Electricity Fundamentals & Overview
- Energy & Heat Overview
- Essential Biology Concepts
- Essential Chemistry Concepts
- Evolutionary Principles
- Genetics & Evolution Overview
- Food Webs Overview
- Components of Living Things
- Intro to Biodiversity, Adaptation & Classification
- Human Body Systems: Functions & Processes
- Foundations of Chemical Compounds & Bonds
- Foundations of Chemical Reactions, Acids, and Bases
- Foundations of Energy & Heat
- Foundations of Magnetism
- Fundamentals of Mechanics
- Lab Equipment for Scientific Study
- Measurement & the Metric System Fundamentals
- Nuclear Energy Fundamentals
- Planning a Scientific Investigation Or Experiment
- Plant & Soil Ecology
- Populations & Relationships in Ecology
- Sound & Light Waves
- Studying Biological Communities
- The Periodic Table, Atoms & Elements
- Using Data for Investigation & Experimentation
- Scientific Data: Organization, Analysis & Drawing Conclusions
- Types of Living Things
- Plant Structure & Processes
- Fundamentals of Matter
- Mechanics of Physics
- Introduction to Relativity
- Fundamentals of Electricity
- Introduction to Magnetism
- Fundamentals of Waves, Sound and Light
- Space, The Solar System and the Universe
- Introduction to Atmospheric Science
- Geology Basics
- Fundamentals of Genetics