Videos [1–100 of 5530 videos]

13:26
Boyle’s Law
Ed Burdette

04:12
Calculating the Percentage Composition of a Binary Compound from Formula Masses
Nathan March

03:42
Defining an Addition Polymer
Nathan March

04:06
Defining Delocalized Electrons
Nathan March

13:53
Efficiency
Ed Burdette

14:59
Energy Conversion and Conservation
Ed Burdette

03:38
Finding the Equation of a Circle
Lauren McNaughten

02:26
Formula of Aluminum Oxide
Nathan March

14:01
GayLussac’s Law
Ed Burdette

14:59
Parallel Circuits
Ed Burdette

02:35
Reactants Used for the Production of Alcohols from Alkenes
Nathan March

03:24
Recalling Fundamental Methods for Measuring Reaction Rate
Nathan March

02:33
Recalling the Chemical Responsible for Temporary Hardness
Nathan March

03:29
Recalling the Common Properties of a Metal
Nathan March

04:09
Recalling What an Intermolecular force Is
Nathan March

10:25
Sankey Diagrams
Ed Burdette

02:48
Subtraction Story Problems
Kerrie Lynskey

02:59
Subtraction within 20 by Counting Backward
Kerrie Lynskey

02:41
5 Times Table
Kerrie Lynskey

04:00
Adding Fractions with Unlike Denominators
Kathryn Kingham

03:29
Atoms and Structure
Nathan March

02:37
Calculating Purity after Given Mass of Contaminants
Nathan March

04:31
Comparing Function Values of Acute Angles
Lauren McNaughten

03:18
Congruent Triangles in Rectangles
Lauren McNaughten

02:56
Cubic Centimeters in a Milliliter
Nathan March

02:48
Deducing the Ionic Formula of an Ionic Compound Where Both Ions Have GreaterThanOne Charge
Nathan March

04:26
Determining the Radius of a Circle and the Area of Each Sector from the Given Perimeter of the Sector and the Arc Length
Lauren McNaughten

04:27
Dividing ThirdDegree Polynomials Using Long Division
Lauren McNaughten

03:57
Finding the Area of a Polygon given One of Its Sides’ Length, the Area of a Similar Polygon, and the Length of the Corresponding Side in the Similar Polygon
Lauren McNaughten

03:39
Finding the General Term of an Arithmetic Sequence
Lauren McNaughten

04:30
Finding the Length of a Side in a Triangle given the Corresponding Side in a Similar Triangle and the Similarity Ratio between Them
Kathryn Kingham

03:35
Finding the Length of the Minor Arc in a Circle given Its Central Angle and the Circle’s Radius
Lauren McNaughten

03:53
Finding the Surface Area of a Prism
Lauren McNaughten

05:06
Finding the Time a Device Is Used for given the Useful Energy Output, Efficiency, and Total Power Output
Ed Burdette

04:30
Finding the Value of a Limit Involving Exponential Functions with an Integer Base Using L’Hopital’s Rule
Emily Taylor

03:44
Graphing Circles
Lauren McNaughten

04:23
Identifying and Proving Lines Parallel Using Angle Relationships
Chris O’Reilly

02:42
Knowing Key Terms Related to Magnetism
Ed Burdette

03:58
Motion of a Charged Particle in a Magnetic Field
Ed Burdette

03:23
Numbers up to 100 in Written Form
Kerrie Lynskey

03:37
Operations on Matrices Involving the Transpose of a Matrix
Lauren McNaughten

04:29
Powers of Square Matrices
Chris O’Reilly

03:40
Recalling How Parameters in Collision Theory Affect Reaction Rate
Nathan March

04:26
Recalling That Opposite Charges Attract and the Charges of Electrons, Neutrons, and Protons
Kate Horner

02:23
Recalling the Number of Electrons in a Triple Covalent Bond
Nathan March

02:52
Recalling the Organizing Principle of the Periodic Table
Nathan March

03:52
Recalling the Particle Used in Rutherford’s Gold Foil Experiment
Nathan March

02:41
Recalling Why Graphite Can Conduct Electricity
Nathan March

04:29
Rounding Remainders to Solve OneStep Word Problems
Sarah Garry

04:32
Simplifying Quotients of Algebraic Fractions by Factorization
Kathryn Kingham

03:31
Solving Word Problems Involving Constant Rate
Bethani Gasparine

03:38
Thermal Expansion in Three Dimensions
Ed Burdette

02:38
Understanding Heating
Ed Burdette

02:40
Understanding Isotopes
Ed Burdette

04:23
Using Double Angle Identities to Evaluate Trigonometric Expressions Involving Special Angles
Alex Cutbill

04:28
Using the Law of Sines to Calculate an Unknown Length given the Perimeter and Ratio between the Angles of a Triangle
Sarah Garry

04:23
Calculating Concentration from Mass and Volume
Nathan March

03:35
Determining Whether Two Ratios Are Equal or Not
Kathryn Kingham

03:28
Differentiating Logarithmic Functions Using the Chain Rule
Emily Taylor

02:21
Differentiating Trigonometric Functions Using the Chain Rule
Emily Taylor

03:55
Finding the Central Angle in Radians and Perimeter of the Sector Using the Area of Sector
Kathryn Kingham

04:01
Finding the Force Experienced by a CurrentCarrying Wire in a Uniform Magnetic Field
Ed Burdette

04:06
Finding the Mass of an Object given Its Volume and Density
Ed Burdette

03:48
Finding the Perimeter and Area of a Triangle
Bethani Gasparine

03:18
Finding the Range of an Exponential Function
Kathryn Kingham

04:20
Finding the Unknown Measure of an Angle in an Isosceles Triangle Using Its Properties
Chris O’Reilly

03:47
Forming and Solving a System of Linear and Quadratic Equations with Two Unknowns
Kathryn Kingham

02:42
Identifying a Common Alkene
Kate Horner

03:59
Magnetic Field Produced by a Long Straight Wire
Ed Burdette

03:58
Quadratic Formula from Completing Squares
Kathryn Kingham

04:22
The Derivative of an Inverse Sine Function
Chris O’Reilly

04:10
The Distributive Property of Multiplication
Bethani Gasparine

02:43
Understanding Electric Fields
Ed Burdette

03:09
Understanding Nuclear Fission Reactors
Ed Burdette

03:09
Addition or Subtraction of Tens from TwoDigit Numbers
Kerrie Lynskey

14:27
Distinguishing Weight from Other Forces
Parth Gharfalkar

04:18
Finding the Multiplicative Inverse of Real Numbers Involving Roots Using Rationalization
Chris O’Reilly

16:00
Newton’s Third Law of Motion
Parth Gharfalkar

04:14
Solving Exponential Equations
Chris O’Reilly

14:59
Specific Heat Capacity
Ed Burdette

02:06
Applying the General Formula for Alkane Chemical Formulas
Nathan March

02:44
Calculating a Distance Traveled Knowing the Average Speed and Time
Parth Gharfalkar

01:55
Calculating a Distance Traveled Knowing the Average Speed and Time
Parth Gharfalkar

02:20
Calculating the Number of Covalent Bonds Possible from the Number of Valence Electrons
Nathan March

02:01
Electrolysis of Molten Sodium Salts
Nathan March

03:06
Correlation between Ionization Energy and Electron Configuration of Aluminum
Kate Horner

01:06
Counting Numbers up to 10 Using Number Lines
Kerrie Lynskey

15:02
Cubic Roots of unity
Sarah Garry

08:01
Effect of Adjacent Protons on Peak Splitting in Nmr
Kate Horner

14:35
Electric Fields
Ed Burdette

14:14
Electromagnetic Induction
Ed Burdette

02:08
Evaluating a Definite Triple Integral
Sarah Garry

02:08
Evaluating Trigonometric Expressions given Trigonometric Equations
Sarah Garry

04:02
Finding the Area of a Sector of a Circle given the Sector's Perimeter and the Radius of the Circle
Chris O’Reilly

02:09
Finding the Charge Flowing through a Point in a Circuit
Ed Burdette

02:00
Finding the Current through a Point in a Circuit
Ed Burdette

02:16
Finding the Density of Objects given Their Masses and Volumes
Ed Burdette

02:19
Finding the Energy Dissipated by an Electrical Component
Ed Burdette

13:23
Force on Conducting Wires in Magnetic Fields
Ed Burdette

02:20
Identifying Relative Frequency Histograms
Rhodri Jones