In many parts of the world, winter temperatures drop low enough to make rivers and lakes freeze. And in those same parts of the world, where even those waters freeze, the ocean waters will not. Think ...
Do plants sweat? Not quite, but they do lose water. Track down the missing mass in this experiment by learning how plants lose water to the air through transpiration.How much water can a plant lose th ...
There’s a sound that is supposed to annoy teenagers and keep them from loitering in front of shops and stores. It’s called the Mosquito, and it’s supposed to be undetectable by adults. Take some volun ...
Determine how the temperature of a gas affects its density.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 t ...
Chidren will experience sounds travelling through things in different states: a bag of air, a bag of water, a wooden block.It is an educational content by education.com.By clicking on the title of thi ...
The project is about finding a mathematical relationship between the intensity of a sound wave and distance from the sound source.The goal is to have the student formulate a hypothesis about the relat ...
Did you know that there are many different kinds of eyes? And that not all of them even see images? Different creatures need different kinds of eyes to help them survive in their environment.For examp ...
Student will compare the tree leaf size and shape based on the leaf’s position in the tree.Why does transpiration occur? Why can too much light and heat cause a for trees with excess transpiration? H ...
We are surrounded by textiles everyday,from the clothes we wear to the sheets that keep us warm at night to the umbrellas we use when it rains. Though there are many kinds of fabrics, their most suita ...
Daphnia, otherwise known as water fleas, have a circulatory system similar to mammals. Most importantly, they have a chambered heart, which can be seen beating under a microscope. With a stopwatch and ...