Calculus Limits: A Numerical Approach
In Calculus, the term limit is used to describe the value that a function approaches as the input of that function approaches a certain value. This video explains the two ways to demonstrate Calculus limits: a numerical approach or a graphical approach. In the numerical approach, we determine the point where the function is undefined and create a table of values to determine the value of the variable as it approaches that point. (1:45)
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One-Sided Limits
This video explains one-sided limits. A limit is the value that a function approaches as the input of that function approaches a certain value. In Calculus, sometimes functions behave differently depending on what side of the function that they are on. By definition, a one-sided limit is the behavior on only one side of the value where the function is undefined. (3:02)
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Calculus Limits: A Graphical Approach
This video explains the graphical approach to determine a limit. There are two ways to determine a limit: a numerical approach or a graphical approach. In the graphical approach, we analyze the graph of the function to determine the points that each of the one-sided limits approach. (3:02)
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Infinite Limits: Vertical Asymptotes
This video explains when a limit decreases or increases without bound near certain values for the independent variables, they are called infinite limits. In general, a fractional function will have an infinite limit if the limit of the denominator is zero and the limit of the numerator is not zero. The infinite limit can be either positive or negative and is determined by the sign of the quotient of the numerator and the denominator. (3:23)
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Continuity of a Function
This video explains the three conditions that must be met in order for a function to be continuous at a certain point. The continuity of a function only exists if these three conditions are met. (0:55)
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Averages (in Algebra)
Introduction to averages and algebra problems involving averages. This video starts off with a black screen because the narrator uses it as a 'chalkboard'. This video is appropriate for older mddle and high school students.
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The Giants of Philosophy - Arthur Schopenhauer - 15/18
'Arthur Schopenhauer (22 February 1788 â€“ 21 September 1860) was a German philosopher known for his atheistic pessimism and philosophical clarity' (Arthur Schopenhauer, Wikipedia, 2009). He was influenced by Plato and Kant, and he, in turn, inlfuenced Einstein, Freud, and Jung among others. Suitable for high school students. Video consists of one still image and narration.
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This video has Wordboy helping a child learn about homophones.Â  In this video students are given a sentence and they need to fill in the appropriate homophone to complete the sentence. Video can be stopped, student can work through the sentences and the video restarted.Â  End of video gives a review of what homophones are: words that sound alike, have different spellings, and have different meanings.Â  More sentences are given with w
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Antonyms or Opposites
Slideshow of common household opposites. For example, one soft chair, a hard chai, then the two chairs are shown together. Words accompany the photos of opposites. (2:11)
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Vocabulary for the advanced English language learner. Lesson 4 topic: Idioms and sayings about driving-"backseat driver", "road hog", and "running on empty" The narrator demonstrates the idioms, but does not offer much depth. (2:58).
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Greatest Adventure Stories from the bible- Queen Esther (Part 4 out of 4)
This Hanna-Barbera animated video tells a version of the Bible story about Esther, whose heroism is commemorated annually by the feast of Purim. Esther, a Jewish orphan girl, is chosen by King Ahasuerus of Persia to be his queen. Meanwhile, the king's counselor schemes to bring about the death of Jews throughout the realm. With the help of God, her courage, and her wits, Queen Esther devises a plan that saves her people.
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Land Of The Tiger - Monsoon Forests, Part 2
This documentary, which is suitable for older elementary, middle school, and high school students, explores the wildlife of the Indian subcontinent living in the rainforest. 9:50
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Air Pressure Egg Demonstration
Join Nanna as gives us a lesson on air pressure she demonstrates how to fit a boiledÂ egg inside a smaller bottle. The Kids Know It movies bring your student on a fun and interactive journey through the world around us. Run time 04:50.
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Molecules in Liquid
As molecules in a solid get hotter, they vibrate faster and faster and eventually slip out of their lattice-work pattern. When this occurs, the substance melts, changing from a solid to a liquid state. Eureka was a series of short cartoons on physics that ran on public television in the 1980's.Â  The video explains the concept in simple and well illustrated way.Â  Good for students of any elementary school level.Â
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Many researches have been working on renewable, clean energy sources. This particular study shows how hydrogen may some day replace gasoline to fuel our vehicles with zero emission of fuel cells.  Learn about real world testing of this fuel cell technology. Run time 01:50.

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Mediterranean Sea Wildlife
"The Mediterranean sea bed holds treasures from thousands of years of trade across its waters. Among the scattered shipwrecks divers can also find rich coral reefs full of natural wonders, as well as racing blue fin tuna." Run time 4:18
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West Indian Ocean
Two of the world's swiftest ocean currents connect off the east coast of Africa, creating some of the richest biological areas of the sea. The ocean is home to the legendary coelacanth fish. The video offers spectacular underwater scenes. Run time 03:30
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Best Amazing Experiment Ever-Liquid in Beaker Making Blob Form
Experiment by google science team in which a liquid is poured into a beaker. It overflows and makes a blob like form (Running Time 0:16).

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