Curated Video
How to Use a Hybrid Bow in Archery
Howcast - Learn how to use a hybrid bow from the pros at Queens Archery in this Howcast video.
Curated Video
What Are THC & CBD in Marijuana?
Howcast - Learn about marijuana compounds THC and CBD in this Howcast video.
Curated Video
How to Remove Old Wire before Painting
Howcast - Learn how to remove old wire before painting from Brushed Interiors founder David Sartori in this Howcast video.
Curated Video
How to Fix Cracks in Old Walls before Painting
Howcast - Learn how to fix cracks in old walls before painting from Brushed Interiors founder David Sartori in this Howcast video.
Curated Video
How to Prevent Cancer by Avoiding Carcinogens
Howcast -You can reduce your risk for cancer by avoiding carcinogens. Here are some ways.
Curated Video
How To Find Molar Mass
The molar mass of a chemical compound is the mass, in grams, of 1 mole of the substance.
Curated Video
How to Repair a Hairline Crack in a Wall
There are two kinds of walls: the ones with cracks and the ones that will have cracks someday. Hold the house together with some easy and affordable quick fix ideas.
Curated Video
Reason about compound shapes using the relationship between side lengths and area and perimeter
Pupil outcome: I can reason about compound shapes using the relationship between side lengths and area and perimeter. Key learning points: - Area and perimeter are calculated from the side lengths of 2D shapes. - Area and perimeter are...
Curated Video
Calculate missing dimensions in rectangles and compound rectilinear shapes
Pupil outcome: I can calculate missing dimensions in rectangles and compound rectilinear shapes. Key learning points: - Division is used to calculate a missing dimension when the area and the other dimension are known. - Inverse...
Curated Video
Calculate the area of shapes made from 2 rectangles by decomposing the shape in different ways
Pupil outcome: You can decompose or split shapes into rectangles in different ways. Key learning points: - Different ways of decomposing the shape will give the same answer. - The area stays the same however you split the shape. -...
Curated Video
Choose an efficient way to decompose a compound shape to calculate the area
Pupil outcome: I can choose the most effective way to decompose a shape into rectangles in order to calculate the area. Key learning points: - Different methods for finding the area of compound rectilinear shapes will work in different...
Curated Video
Make and draw shapes with and without parallel and perpendicular sides
Pupil outcome: I can make and draw compound shapes with and without parallel and perpendicular sides. Key learning points: - The properties must match the shape you have created. - Lines are not perpendicular when they are not at right...
Curated Video
Calculate the area of compound rectilinear shapes
Pupil outcome: I can calculate the area of compound rectilinear shapes. Key learning points: - Use addition and subtraction to calculate missing side lengths in compound rectilinear shapes. - Identify two different lengths which total...
Curated Video
Calculate the area of shapes made from 2 or more rectangles
Pupil outcome: I can calculate the area of shapes made from 2 or more rectangles. Key learning points: - To find the area of a rectangle you multiply the length by the width. - Compare different methods to decompose shapes and decide...
Curated Video
Ames Test
Ames test was developed by Bruce N. Ames in 1970s to test for determining if the chemical is mutagens. Ames test it is a biological assay to assess the mutagenic potential of chemical compounds. It utilizes bacteria to test whether a...
Curated Video
Ames Test for the Detection of Potential Mutagen
The Ames test, developed by Bruce Ames in the 1970s, is a bacterial reverse mutation assay used to assess whether a chemical is a mutagen by observing its ability to induce reverse mutations in auxotrophic bacterial strains (e.g.,...
Science Buddies
Understand the Emotions Behind Any Text with Sentiment Analysis: A Python Coding Tutorial
Explore sentiment analysis using VADER to analyze emotions in text from social media, reviews, and more.
Professor Dave Explains
Future and Imperfect Tense for the Latin Verb Sum
We've learned the simpler future and imperfect tenses for regular first and second conjugation verbs. But there are irregular verbs that will also need to use these tenses, and some of them are very common, such as the verb sum, so we...
The Business Professor
Process Manufacturing Characteristics
Process manufacturing is a form of continuous manufacturing
Curated Video
Compound-Complex Sentences | Learning English
Learn how to identify compound-complex sentences and start using them in your own writing. Good writers use a variety of sentence structures to make their writing more engaging.
Curated Video
Why do covalent compounds share electrons?
A covalent compound forms when electrons are shared and this will happen when you have 2 nonmetals, or 2 anions, bonding together. The reason these elements share their electrons is because they have a small difference in...
Curated Video
Elements and Compounds - what's the difference?
In this video, we're going to talk about the difference between elements and compounds. We'll cover the basics of chemistry, and explain the differences between elements and compounds. If you're new to the subject of chemistry, or if...
Curated Video
Chemistry - how to calculate molar mass!
Molar mass is the mass of 1 mole of a substance. The molar mass of elements can be found on the periodic table and the molar mass of compounds can be found by adding together the molar masses of the elements present in the compound....
Curated Video
Chemistry - Calculating Percent (%) Composition
Percent composition is the percent of total mass of one element in a compound. We can find the percent composition by using this formula: mass of element/total mass of compound times 100. In this video, we will cover what percent...