JoinAll Physics resources
Book Chapter
Balloons and Other Things That Sometimes Float
Hot air balloons float--sometimes. Regular old balloons that you get at a party float--sometimes. Boats float--sometimes. What makes them float and what makes them sink? How can a boat made of steel float but a solid chunk of steel sink to the bottom...
NSTA Press Book
Sound: Stop Faking It! Finally Understanding Science So You Can Teach It
Muddled about what makes music? Stuck on the study of harmonics? Dumbfounded by how sound gets around? Now you no longer have to struggle to teach concepts you really don’t grasp yourself. Sound takes an intentionally light touch to help out all...
By William C. Robertson, Ph.D.
NSTA Press Book
Light: Stop Faking It! Finally Understanding Science So You Can Teach It
Why is left right and right left in the mirror? Baffled by the basics of reflection and refraction? Wondering just how the eye works? If you have trouble teaching concepts about light that you don’t fully grasp yourself, get help from a book that�...
By William C. Robertson, Ph.D.