A Gigabyte of Music, How Much Is That

Tune in for savings! Scholars investigate pricing schemes for two different online music download sites. After comparing the two, they determine the numbers of songs for which each site would be cheaper.

Enough talk about the Greenhouse Effect—let's actually look at it! Junior climatologists engage in a simple thermodynamics experiment on a cold winter's day to examine global warming. The activity simulates rising carbon dioxide levels...

Are two angles enough? Given two triangles, the class determines through the definition of similarity and transformations whether the two triangles are similar. Provided with pairs of triangles and measurements, small groups find out...

Do you hear that? Let's model it! Using a CD of chirping crickets at various temperatures, learners count the number of chirps per minute. Teams plot calculated averages on a scatter plot and determine the line of best fit for their...

Are pennies really worth one cent? Here, learners use rates to calculate the price per pound of copper that would result in pennies that are exactly one cent's worth of copper. Might work best as a group or whole-class activity since the...

How much information can we process? How much information is stored inside us? These questions, and many more, inspired an inquisitive installment from a larger video series. From verbal and written language to DNA and computers,...

Can you prove a negative? In watching the video, individuals learn how to prove that the limit of a function does not exist at a point. The video covers the quintessential example of the limit of f(x) = abs(x)/x as x approaches 0.

No question is a silly question! Vsauce is a website that investigates strange questions. Founder and science educator, Michael Stevens, explains the value of the such questions to an audience and demonstrates by working through the...

Aspiring astronomers study stars. They compare stars and explain the relationship between radius, mass, and diameter. By creating a star simulation, they discover how a binary star system's orbit can cause changes in the observed...

Students compare American South with India in terms of population density and food production. They practice math skills of estimation and calculation, visualize relative sizes of areas and populations, explore relationship between...