Temperature vs. Heat Eureka! explains that heat refers to
quantity of hotness, and is determined by the mass and speed of
molecules. This program demonstrates that a bucket of water at a
temperature of 50 degress Celsius contains more heat than a cup
of water at 100 degrees Celsius. Video is good quality and has
good information for students of any level. Writing Dialog with
Quotation Marks Using Casablanca As An Example The clip
discusses the basic rules of using quotation marks. Using
Casablanca as an example, learn how to write dialog using
quotation marks. The dialog from the film is typed on the screen
into traditional novel format using quotation marks in the
dialog. Quotation Marks and Commas In this skit by the Electric
Company we see examples of how to use quotation marks in
dialogue. Kary Mullis Celebrates the Experiment Biochemist Kary
Mullis talks about the basis of modern science: the experiment.
Sharing tales from the 17th century and from his own backyard-
rocketry days, Mullis celebrates the cu