How do you measure surface tension? The fifth installment of a nine-part series is an experiment where young scientists use tubes of different sizes to measure surface tension. They calculate the average and standard deviation of the...

[Free Registration/Login Required] In this interactive you will move the ruler to measure the distance between two points. You will need to sign-in to access this media, but it will be well worth your time!

[Free Registration/Login Required] In this interactive you will drag the appropriate alloy to the correct figure. You will need a sign-in to access this media, but it will be well worth your time!