JoinAll High School resources
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.
Book Chapter
Standards have become a part of the educational landscape. In this chapter, we survey the origins of national standards; reflect on their power, in pa...