SciShow
A Kilogram Is Now a Kilogram—Forever | SciShow News
This week in SciShow News, there's a new kilogram in town, and we might be closer to understanding why people love coffee so much!
TED-Ed
TED-Ed: Is it possible to lose weight fast? | Hei Man Chan
In the wealthiest circles of Victorian England, dieters would swallow an unhatched tapeworm and let it grow inside them by consuming undigested meals. And while modern fad diets aren't usually this extreme, they do promise similar...
PBS
Building an Infinite Bridge
Using the harmonic series we can build an infinitely long bridge. It takes a very long time though. A faster method was discovered in 2009.
Bozeman Science
Thinking in Quantity - Level 2 - Physical Quantities
In this video Paul Andersen shows conceptual thinking in a mini-lesson on physical quantities. TERMS Physical quantities - the properties of a material or system that can be measured Standard units - Weight - quantity of matter in an...
Bozeman Science
Mole Conversions
Mr. Andersen shows you how to convert moles to grams and moles to molecules.
SciShow
When You Burn Fat, Where Does it Go?
When you burn fat, where does it go? Many people, even some doctors, think it's just "burned up." But that's not possible! Find out where your fat really goes!
Bozeman Science
Scalars and Vectors
Mr. Andersen explains the differences between scalar and vectors quantities. He also uses a demonstration to show the importance of vectors and vector addition.
Bozeman Science
Limiting Reactants and Percent Yield
Mr. Andersen explains the concept of a limiting reactant (or a limiting reagent) in a chemical reaction. He also shows you how to calculate the limiting reactant and the percent yield in a chemical reaction.
Bozeman Science
Graphing Data by Hand
Paul Andersen shows you how to graph data by hand. He explains the required elements of a scatter plot with a best fit line. He shows you how to properly scale and label the axes.
Curated Video
Solving Limiting Reactant Practice Problems!
In this video we walkthrough 3 limiting reactant practice problems step by step and show you how to solve them!
Curated Video
Mass - Matter Measurement
A measure of how much matter an object contains, in units of grams or kilograms. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...
Curated Video
Scalar
A quantity that has magnitude, or size, but not direction. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce...
Curated Video
Mass vs. Weight
What is the difference between mass and weight? Physical processes -Force and motion - Gravity Learning Points Mass is the amount of stuff in an object, it is measured in grams and kilograms. The force of gravity acting on an object is...
Wonderscape
Measuring Mass with the Metric System: Grams to Metric Tons
Learn how the metric system simplifies measuring mass, from small objects like paper clips to large items like cars. This video covers the use of grams, kilograms, and metric tons, explaining the difference between mass and weight and...
Curated Video
Subtract Decimals: Standard
Subtract Decimals: Standard subtracts multi-digit decimal numbers to solve word problems by using the standard algorithm.
Curated Video
GCSE Maths - How to Write Algebraic Expressions for Directly Proportional Relationships #90
This video covers: - What direct proportion or directly proportional means - How to write expressions for directly proportional relationships This video is suitable for maths courses around the world. KS3 - All on your course GCSE...
Curated Video
GCSE Maths - How to Express One Number as a Percentage of Another #97
This video covers how to express one number as a percentage of another number, like 'Express 15 as a percentage of 25'. This video is suitable for maths courses around the world. KS3 - All on your course GCSE Foundation - All on your...
Curated Video
GCSE Chemistry - The Mole (Higher Tier) #25
This video covers the term 'mole', explains 'Avogadros constant', and runs through examples of the sort of calculations you might have to do with moles. This video is suitable for: - Higher tier only - All exam boards - Triple and...
Curated Video
GCSE Chemistry - Rates of Reaction #46
In this video we'll look at: - Some examples of reactions that happen at different rates - The different ways we can calculate the rate of a reaction - Some examples of calculating the rate of reaction using decimetres cubed and minutes...
Curated Video
GCSE Chemistry - Percentage Yield #33
This video covers: - The difference between 'actual yield' and 'theoretical yield' - Why the actual yield may be less than the theoretical yield - How to calculate the percentage yield Exam board specific info: AQA - Separate/triple...
Curated Video
GCSE Chemistry - How to Calculate Concentration in grams per decimetre cubed #30
How to calculate concentration in g/dm³. To measure how much of a particular substance we have a give volume, we can work out the concentration. In this video we cover how to calculate concentration in grams per decimetre cubed, and have...
Curated Video
Write & Identify a Real World Algebraic Expression | 6.EE.B.6
In this math video we will write & identify a real world algebraic expression. We will be presented with a real world situation. We will begin by drawing a picture to represent the situation. We will then label the picture using the...
Science Buddies
How to Make a Serial Dilution
Simple step-by-step instructions to help you make dilutions and serial dilutions. Calculating dilution factors has never been easier!