Recursos > Sofia PC

In this experiment, students will compare whether ionic dryers leave hair in better condition than non-ionic dryers, as manufacturers often claim.It is an educational content by education.com.By click ...

Find out the differences (if any) in the frequencies of voices produced from a computer, from a phone, and directly coming out of the voicebox of a human.It is an educational content by education.com. ...

Some people are said to talk too fast. Have you or have you heard some people speak rapidly during a presentation? Or do they just speak very fast in daily life as well? Find the fastest average speed ...

This simple experiment will teach kids about convex/concave objects and how they reflect light. They will also learn the difference between concave and convex.It is an educational content by education ...

Batteries make our lives portable. In other words, we can take things such as mp3 players, cell phones, digital cameras, and game consoles around to anywhere in the world. There are many kinds of batt ...