JoinAll Physical Science resources
Book Chapter
There's No Such Thing as Gravity--The Earth Sucks
What happens when you drop an object on the ground? Though it might not be obvious, the object speeds up as it falls. That means it's accelerating and there must be a force acting on it. The force that's acting on it is--all together now--gravity. In...
NSTA Press Book
Energy: Stop Faking It! Finally Understanding Science So You Can Teach It
Confounded by kinetic energy? Suspect that teaching about simple machines isn’t really so simple? Exasperated by electricity? If you fear the study of energy is beyond you, this entertaining book will do more than introduce you to the topic. It wi...
By William C. Robertson, Ph.D.
NSTA Press Book
Force and Motion: Stop Faking It! Finally Understanding Science So You Can Teach It
Intimidated by inertia? Frightened by forces? Mystified by Newton’s laws of motion? You’re not alone—and help is at hand. The Stop Faking It! Series is perfect for science teachers, home-schoolers, parents wanting to help with homework—all of...
By William C. Robertson, Ph.D.
Book Chapter
Waves Do Basic Math--Adding and Subtracting
So far we've been dealing with single sources of sound, and how they produce the pitches you hear. But you don't go to the symphony to hear a single oboe, and when you hear a solo guitarist, he or she doesn't keep your attention long by playing only...
Book Chapter
You now know enough about force and motion to design a trip to the Moon. After all, if they can get a man on the Moon, you can understand science. In the first section of this chapter, the author teaches you the basics of getting to orbit with an eng...