Everyone knows that hummingbirds seem to prefer red. The goal of this experiment is to determine if this true for hummingbirds, as well as for other birds. Students will learn about the differences in ...
The goal of this evaporationexperimentis to learn about rate of evaporation and how different external conditions affect drying time.IntroductionIt is an educational content by education.com.By clicki ...
Gardeners appreciate the value of compost. Called “gardener’s gold,” it adds valuable nutrients to the soil. Many gardeners make their own compost, but others often fail because they put their food sc ...
The pressure of the air around us changes constantly. These changes are associated with changes in the weather. When the air pressure is high (also called a high), the weather is mostly likely to be f ...
The big flash you see when lightning strikes is a natural electrical discharge between a cloud and the ground, or within a cloud. This lightning can travel as fast as 140,000 MPH and reach temperature ...
If you wake early in the morning, you may notice that the ground is wet with dew. This dew doesn’t come from rain, but seems to magically appear on surfaces. During the night, the temperature of the a ...
If you live in a region where it snows frequently, you probably have heard adults claim that it is too cold to snow. This claim may seem to be based upon an old wives' tale. In this experiment, you wi ...
The goal of this experiment is to model the subterranean movement of water, such as takes place in caves and aquifers.It is an educational content by education.com.By clicking on the title of this res ...
Surface tension is a property of liquids. Liquids have a limited ability – called surface tension - to resist an external force. For example, when a liquid forms a lens-shaped meniscus in a gradeuated ...
In this “paper and pen” experiment, students will research the difference between standard time and astronomical mean time. Using the longitude of their city, they will calculate the astronomical mean ...