JFR Science
Electron Configurations: Orbital Box Diagrams
Configure your lesson plans to include a great resource. An informative YouTube video in the JFR Science playlist explains how to use orbital box diagrams to express electron configurations. It shows several examples of both expanded and...
JFR Science
Lighting a Bunsen Burner Correctly
An enlightening installment of the JFR Science series explains the steps for lighting a Bunsen burner. It demonstrates each step in order from collecting the materials to extinguishing the flame.
JFR Science
Electron Configurations: Writing Condensed and Expanded Versions
It's hard to keep track of electrons ... that's where electron configurations come to the rescue. A short video in the JFR Science series highlights electron configurations and how to write both condensed and expanded notation. It...
JFR Science
Limiting and Excess Reagents
Sometimes things are just left over. An informative video in the JFR Science series highlights limiting and excess reactants in a chemical reaction. It explains the process of solving stoichiometry problems with limiting reactants.
JFR Science
Introduction to Solutions: Solutions and Concentration
Don't break your concentration when learning about solutions. Pupils watch a video in the JFR Science series that explains what solutions are and how to calculate solution concentrations. The resource covers solubility and molar...
JFR Science
Molecular Polarity
Polar or non-polar, that is the question. Individuals watch a video in the JFR Science playlist to learn about molecular polarity. Using three-dimensional Lewis structures and electronegativity lets them determine polarity of a molecule.
JFR Science
Hess' Law: Enthalpies of Formation
Tired of long, tedious enthalpy calculations? Look no further than Hess' Law! Young chemists discover a shortcut using changes in enthalpy with a video from JFR Science. The narrator talks about the theory behind the law, then performs...
JFR Science
Solution Preparation: What Is a Standard Solution?
What could be so difficult about preparing a solution? Show science scholars the proper way to prepare standard solutions using a video from JFR Science. The narrator discusses solution preparation using a solid solute as well as...
JFR Science
Using an Electronic Balance
Is there a wrong way to use an electronic balance? Don't let your class find out! Ensure flawless mass measurement using a short video from JFR Science. Learners listen and watch while the narrator zeros the balance and measures...
JFR Science
Reaction Mechanisms
Why do chemical reactions move at different rates? Chemistry scholars examine the intricate workings of reaction mechanisms with a video from the JFR Science playlist. They watch as the narrator diagrams reaction intermediates and...
JFR Science
pH and Kw
What is pH and where does it come from? Science superstars take their understanding of acids and bases to another level using a video from JFR Science. The narrator builds on prior knowledge to show viewers how to use what they already...
JFR Science
Ka
Aren't all acids strong? Dispel the myth with a video from JFR Science. Viewers learn general types of strong and weak acids, what the dissociation constant is, and the behavior of strong versus weak acids with bases and water.
JFR Science
Kb
How weak is a weak base? Science scholars develop more than a basic understanding of the base dissociation constant with a video from the JFR Science playlist. The narrator shows how to perform dissociation constant calculations and how...
JFR Science
Titration Review
Are your pupils titration titans? Or, are they just getting the hang of things? Curious chemists review the finer points of titration using a video from JFR Science. The narrator starts at the beginning and does a complete...
JFR Science
pH of Salts
Wait, what? How does a neutralization reaction have a pH other than seven? Expose one of the great grey areas of general chemistry using a video from JFR Science. The narrator explains what types of acids and bases may interact in a...
JFR Science
Redox Intro
Why do some fruits turn brown when you cut into them? And how does a Waldorf salad illustrate chemistry? Welcome your class to the world of redox! Topics include how to assign oxidation numbers, modeling redox reactions, and terminology...
JFR Science
Half Reaction Method
Ready to tame LEO the lion before he says GER? Get chemistry scholars acquainted with the half reaction method for handling redox equations using a video from the JFR Science playlist. Step-by-step instructions and great tips provide...
JFR Science
Oxidation Number Method
Balancing redox reactions can be tough. Show your class another approach, the oxidation number method, using a video from JFR Science. The narrator walks viewers through redox conditions, how the method differs from the popular half...
JFR Science
Calculating Empirical and Molecular Formula: What Is a Mass Spectrometer?
What's the formula for success? A unique and well-written resource from JFR Science explains empirical and molecular formulas. Young chemists learn the steps and skills required to determine the formulas from percent composition and...
JFR Science
Solubility and Reactions in Solution: How Does My Water Softener Work?
What is soap scum, and why does it form? Explore hard versus soft water with a video from JFR Science. The narrator explains why someone might have hard water, the factors that affect ion solubility, and how a water softener addresses...
JFR Science
Solution Stoichiometry: How Much Vinegar Is Needed to Clean My Teapot?
Solution stoichiometry ... reducing waste, one calculation at a time. Chemistry scholars examine the concepts and calculations involved in solution stoichiometry with a video from JFR Science. The narrator gives examples of when to use...
JFR Science
Solution and Concentration: What Is in the Air I'm Breathing?
What makes air fresh or not so fresh? The solution is solution chemistry! Explore homogeneous mixtures with a video from the JFR Science series. The narrator explains a variety of solution terms, how to classify solutions, and how people...
JFR Science
Acid Base Theory: What Makes an Acid an Acid?
Everyone's familiar with acids like vinegar and lemon juice—but what makes them different from ammonia and baking soda? Science sleuths discover acid base theory using a video from JFR Science. Viewers explore the interactions of acids...
JFR Science
Pressure: How Does a Straw Work?
A straw is a simple thing ... with a much more complex explanation. Discover the molecular interactions that create pressure through a video from JFR Science. The resource demonstrates pressure in a variety of ways, then explains how and...