Over the past few centuries, people have been burning more amounts of fuels such as wood, coal, oil, natural gas and gasoline. The gases formed by the burning, such as carbon dioxide, are building up ...
This project determines what types of objects burn, and which burn faster and cleaner.It is an educational content by education.com.By clicking on the title of this resource, you will be redirected to ...
In this experiment, we will be comparing the effectiveness of two different and popular types of teeth-whitening products: Crest Whitestrips and Aquafresh Whitetrays.It is an educational content by ed ...
In this experiment students will examine the relationship between air pressure and the perceived loudness of sounds.It is an educational content by education.com.By clicking on the title of this resou ...
In this project students determine which instruments are used to create birdsongs and birdcalls in classical music.It is an educational content by education.com.By clicking on the title of this resour ...
Discover whether different deodorants (gel-based, solid-white, powder, and spray) works better for certain skin types: dry, oily, and normal.It is an educational content by education.com.By clicking o ...
Geodes are formed in empty spaces inside rocks. Fluids containing minerals make their way into a rock’s cavity and crystals begin to grow. From the outside they look like an ordinary rock, although th ...
Hard water refers to the presence of dissolved ions, mainly of calcium Ca2+ and magnesium Mg2+ which are acquired through contact with rocks such as limestone and dolomite which contain calcium and ma ...
There are lots of great reasons to learn how to make a solar oven! Maybe you’re going camping. Maybe you’re interested in learning about different ways to concentrate the sun’s energy. Maybe you’re in ...
Your body relies on enzymes. You might be familiar with the enzymes that digest your food, like the salivary amylase in your saliva, but enzymes do all kinds of jobs everywhere in your body. Enzymes a ...