It used to be that if you had a string of holiday lights and one bulb went out, the whole string no longer worked. This was because the lights were set up in a series circuit. Recently, companies have ...
When we think of reflection, we think of mirrors. But reflection can also occur with sound and waves (of water). Specular reflection (such as with mirrors) is used not only to see ourselves, but can a ...
Plane (flat) mirrors have a reflective surface that bounces back light within 180 degrees of the mirror's face. We use these mirrors every day in our bathrooms, bedrooms, and cars. When you look in a ...
Tap water usually contains dissolved gases notably air which is composed mainly of nitrogen and oxygen, along with some carbon dioxide, so when the tap water is allowed to stand some of the dissolved ...
Safety: Do not ingest the substances used in this projectSome substances when dissolvedin water to produce a solution will conduct an electrical current. Such substances produce ions when dissolved in ...
Can thermal energy (energy obtained from heat) be made to do useful work? Can you think of devices that convert thermal energy into motion? Can you think of a way to convert thermal energy into electr ...
The rock cycle is a model that describes the formation, breakdown, and reformation of a rock as a result of sedimentary, igneous, and metamorphic processes. In this project an electric quiz board that ...
Energy is stored in the bonds of molecules. When these bonds split apart, the energy released can be used to do work. Breaking apart liquid water molecules into hydrogen and oxygen gas creates an enor ...
Demonstrate the correspondence between the volume of water displaced by an object and and the volume of the object displacing it.It is an educational content by education.com.By clicking on the title ...
For some reason, your laptop charger gets super hot when you plug it in.It had recently stopped working, and so you left it with a friend who claimed to know how to fix it. He said that all he’d need ...