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Book Chapter
This first chapter deals with one of the most basic principles of motion, which happens to be known as Newton’s first law. Not coincidentally, it ha...
Book Chapter
Round and Round and Round in the Circle Game
If you recognize where the title of this chapter came from, then you're showing your age and your taste for FM music in the old days. For the record ...
Book Chapter
Energy is such a common notion. We talk about it all the time. Should you buy energy-efficient windows? The country needs an energy policy. That ...
Book Chapter
Up until now, we've been talking about things having a certain amount of energy and not about things gaining, losing, or changing their form of energy...
Book Chapter
It Slices, It Dices--It Gathers Dust!
In case you can't tell from the title, this chapter is about machines. No, not salad shooters and makers of julienne fries but rather everyday things...
Book Chapter
Temp-a-chur and Thermal Energy
In this chapter you will learn the basic concept of temperature and what it means for one thing to be hotter than another. The hotter something is, t...
Book Chapter
Close the Door--You're Letting the Cold In!
Actually no, you aren't letting the cold in when you leave the door open in winter. That's a common misconception that will be gently put to rest in...
Book Chapter
Energy transformations take place all over the Earth without humans ever getting involved. Being the control freaks that we are, though, we spend a l...
Book Chapter
In Which We Describe Motion and Then Change It
As far as inanimate objects are concerned, if you know what the object is doing and know all the things that will affect that object, you can predict ...
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...
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...
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! Se...
By William C. Robertson, Ph.D.