Join-
Book Chapter |
Gravity pulls the air molecules toward the ground, and the molecules push on the ground. This pushing is called air pressure or atmospheric pressure. In this chapter’s experiments, students will learn about air pressure…
-
Book Chapter |
All electrical gadgets and gizmos need an electric current to work. To make it easier to learn about and make circuits, you will need to know the symbols for some components. In this chapter, you will learn about these…
-
Book Chapter |
A magnet attracts objects made of iron and this phenomenon called magnetism has many uses. In this chapter, you will explore and experiment with magnetism in different ways, including bar magnet, magnetic field,…
-
Book Chapter |
Energy is everywhere in several different forms and can be moved from place to place in many ways. In these experiments, you will find out more about what energy is, how it can be transported, and how is it possible to…
-
Book Chapter |
Sound is one example of wave motion and the ability to hear sound is based on the principle of resonance. In this chapter’s activities, you will learn about standing waves, resonance, and an interesting wave phenomenon…
-
Book Chapter |
Color theory is the aspect of physics that can explain the colors on your computer screen or in your printer. Visible light can be split into different wavelength regions that are called colors. The color of an object…
-
Book Chapter |
Thermodynamics is a very important part of physical science. When discussing thermodynamics, we can explore heat, thermal expansion, and insulation, as well as changes in state, thermal equilibrium, and thermal energy.…
-
Book Chapter |
Water can be used to help become familiar with the concepts of density and buoyancy. For example, lifting rocks from the bottom of a lake is easier than moving them on the beach. While in the water, the buoyant force…
-
Book Chapter |
In order to discuss mechanical interactions, we need to understand forces and motion. In physical science, we can make use of all three of Newton’s laws of motion in a variety of situations. Energy analysis encompasses…
-
Book Chapter |
This chapter features gadgets and gizmos that make science look like magic. You don’t have to be a magician to perform these tricks—all you need is physics. Each student can pick a gizmo and prepare a performance for…
-
Book Chapter |
In everyday life we often talk about pressure—high pressure and low pressure. We speak of the pressure in car tires, atmospheric pressure, pressure-sealed containers, pressure chambers, and so on. These are just a few…
-
Book Chapter |
Thermodynamics is the physics of heat, mechanical energy or work, and the conversion of one into the other. All systems follow the laws of thermodynamics and since almost all energy production is based on thermodynamics…
-
Book Chapter |
Energy is an essential part of all branches of physics. In mechanics, energy appears as both potential and kinetic energy. In this chapter, the experiments examine the conservation of energy and how energy can change…
-
Book Chapter |
Color theory is an area of physics that can explain how the appearance of colors changes when colors are mixed, for example on a computer screen or with a printing press. Visible light can be divided into different…
-
Book Chapter |
Resonance—a system’s tendency to oscillate at greater amplitudes at certain frequencies—is a common phenomenon in physics. The explorations in this chapter will define how resonance occurs. Teacher background…
35899 Results