California Academy of Science
Water-Wise Farms
The seventh lesson on Fresh Solutions in the 10-part series addresses solutions implemented on farms. It focuses on the options currently in use and hopes for the future of water conservation and farming.
California Academy of Science
Vertical Farming
Half of crops from traditional farming never get harvested, while 90 percent of crops from vertical farming go into the food supply. As land runs out for farming and the need for crops increases, could vertical farming solve the problem?...
TED-Ed
What Is Metallic Glass?
Metallic glasses are shiny and opaque, and they conduct heat and electricity like metals. They have a lot of characteristics that make them special and unique to most metals. But, what are they made of? Watch this video to discover what...
Scholastic
Plimoth Plantation Virtual Field Trips
Take a virtual field trip to Plimoth Plantation with four video tours and a slideshow. Videos take viewers aboard the Mayflower, inside a pilgrim village, to a Wampanoag homesite, and the Plimoth Plantation. Slideshow pictures are...
TED-Ed
The Physics of Playing Guitar
Everyone knows that guitar music rocks - but why? And how? Learn about the ways a single pluck can create sounds that resonate from string, to ear, to soul with a fascinating video about the physics of sound vibration.
California Academy of Science
Renewable Energy: Powered by Poop
A single cow produces more than 100 pounds of manure every day. Meet a farmer using cow manure to provide energy to his farm, electric car, and the larger electric grid. He explains the process and benefits of the renewable energy source.
Townsend Press
Relationships I
Transition words can be a very important addition to any writer's toolbox. Learn more about addition words and time words, and how they can enhance the organization of any writing passage, with an informative video about reading...
Crash Course Kids
Measurement Mystery
Turn a nighttime toe stubbing into an informative discussion about the properties of matter. An intriguing physical science video encourages learners to use their knowledge of matter and mass to identify a mystery object based on...
Curated OER
Dividing Mixed Numbers
Before Sal can divide a mixed number, he has to rewrite it as an improper fraction. He explains that dividing a fraction is the same as multiplying it by its reciprocal and that you can "cancel out" numbers to make multiplying easier.
Curated OER
Dividing polynomials 1
Divide two polynomial expressions by writing the problem as a fraction or as long division. Sal shows how to use long division to divide polynomials. A solid understanding of polynomial operations is necessary to grasp this video.
Curated OER
Dividing Monomials
Here is a quick look at how one could simplify a monomial expression involving division. Sal works a problem and briefly explains his process. Great as a concept review.
Curated OER
Monomial Greatest Common Factor
Sal explains that the greatest common factor of any number is the largest number divisible into both monomials and not necessarily the number with greatest value. He breaks down two numbers into their prime factors as a product of its...
Curated OER
Factoring the Difference of Squares
Practice is an important learning tool. This practice problem allows students to apply their know-how to factoring a binomial with a difference of squares. Sal explains his process briefly, which makes this video appropriate for those...
Curated OER
Percent Problems
Converting percents to decimals, and the other way around, can be tricky. Sal shows young mathematicians how to simplify this process with two sample equations and one word problem.
Khan Academy
Testing If a Relationship is a Function, Functions and Their Graphs, Algebra II
This short video looks at different points on a coordinate plane and answers a question about whether these points could represent a function. The answer is determined by looking at each point individually to determine whether, given a...
Curated OER
Adding Polynomials
Adding two polynomials begins with simplifying when possible. Sal demonstrates the process he uses to combine like terms and explains why the process works. This video would be great for those who need a quick refresher.
Curated OER
Solving Rational Equations
Continue your lecture on radical equations with this video, which features Sal solving a few more problems with his classic clarity and understandable way. Young mathematicians will benefit immensely from seeing his cool hand guide the...
Khan Academy
Solving for a Variable 2
The instructor uses the formula for temperature to show how the variables can be moved around to solve a problem.
Curated OER
Compound Interest and e (Part 2)
Sal continues to look at changing the length of compounding time, from daily to hourly compounding interest. Now he is able to show that compounding 100% annual interest converges on the number 2.71É or e as the number of compounding...
Curated OER
Conic Sections: Hyperbolas 3
Continuing with the study of graphing hyperbolas, Sal shows an example of graphing a parabola that is centered at a point off the origin. By looking at the equation, first without shifting it, he helps listeners develop an intuitive...
Curated OER
Equity vs. Debt
Examine the two ways a company can raise capital: equity and debt. Sal breaks down the differences between these and the pros and cons of the investors. He explains the implications of having a publically traded company and draws a stock...
Curated OER
Housing Price Conundrum (Part 2)
This second of four videos starts with a short history of the housing market and the conditions that allowed some people to buy, when others could rent. These starting points are a great topic for students to discuss further before...
Curated OER
Inflation, Deflation & Capacity Utilization 2
Sal justifies that the determining factor of inflation and deflation is not the money supply as much as much as it is demand and the raised capacity utilization.
Into the Outdoors
Into the Outdoors: Technology of Soy
A video investigating the history of the soybean industry. Explore how Henry Ford developed industrial products to grow the soybean industry in the United States. Also included on the site is a lesson plan for teachers to use to view the...