Resources

search
1621
351 - 360

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 ...

Conservation is a relatively new concept in human history that came about as humans began to realize the effects our population growth and industrial development had on the natural world around them. ...

Our collective fascination with hair is focused mainly on hair growth, hair types and hair care. Hair is important to us, as evidenced by the millions of hair care products on the market. In this proj ...

As a living creature, your body responds to things in your environment.Your body may become tense when you encounter a difficult situation.You may tremble when you experience something frightful.Your ...

Water is essential for all living things, including plants. Vegetation relies on water in the ground surrounding its roots.After you’ve watered a wilted plant, you’ve probably noticed how the plant’s ...

This project explores making music using glasses of water.It is an educational content by education.com.By clicking on the title of this resource, you will be redirected to the content. If you want to ...

First of all, what is a hygrometer and why would you want to make one?A hygrometer is a tool used by meteorologists(scientists who study the weather) to measure how much moisture is in the air.You mig ...

Explore plant growth from a bulb, root, and a stem. Investigate asexual plant reproduction.It is an educational content by education.com.By clicking on the title of this resource, you will be redirect ...

This science project examines the effect of pressure on carbonation in soda.It is an educational content by education.com.By clicking on the title of this resource, you will be redirected to the conte ...

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 ...