Science Buddies
Science Buddies: From Gas to Rust: Measuring the Oxygen Content of Air
Earth's atmosphere, the ocean of air that blankets the planet, is mostly nitrogen and oxygen, with small amounts of other gases. How much oxygen is present in air at sea level? Is air high up in the Appalachians or Rockies? Atop Mount...
Science Buddies
Science Buddies: Dry Spells, Wet Spells: How Common Are They?
Here's a project that looks at what the weather was like for over a hundred years. The goal of the project is to compare long-term precipitation patterns in different regions of the country. You will work with historical climate data,...
Science Buddies
Science Buddies: How Do the Seasons Change in Each Hemisphere?
On a rainy day, do you ever wonder what the weather is like on the other side of the planet? Different regions around the globe can have very different seasonal weather patterns. In this experiment, you can test if these seasonal...
Science Buddies
Science Buddies: How Does a Wind Meter Work?
On a windy day it is hard to keep your hat on. The power of the wind can even be strong enough to power large wind turbines to make electricity. In this experiment, find out how you can make your own instrument to measure the speed and...
Science Buddies
Science Buddies: Make a Hygrometer With Strands of Hair
Does your hair go crazy when the weather turns damp? Did you know that strands of hair can relax and lengthen when the humidity increases and then contract again when the humidity decreases? In fact, hair strands can be used as the basis...
Science Buddies
Science Buddies: Make Your Own Psychrometer
From the name, you might guess that a psychrometer is an instrument designed to measure your thoughts. Actually, it is an instrument that can help you forecast the weather. Read more to find out how it works.
Science Buddies
Science Buddies: How Atmospheric Temperature Affects the Water Content of Snow?
If you're lucky enough to live in a place that gets snow in winter, you know that the feel of the snow can vary a lot. Sometimes it can be light and fluffy, and other times heavy and wet. This project shows you how to use data from daily...
Science Buddies
Science Buddies: Using Weather Balloon Data to Map Atmospheric Temperature
Snow-capped mountains make a picturesque scene, especially in summertime when the peaks are in such contrast to the warmth below. This project shows you a way to see how temperature changes with altitude using data collected twice daily...
Science Buddies
Science Buddies: Weather and Climate in Your Neighborhood
Do you live in an area where the weather changes a lot from season to season throughout the year? Or do you live in a place where the weather stays pretty much the same all year long? How dynamic is the weather, and how does it compare...
Science Buddies
Science Buddies: Ozone Depletion
The ozone layer is important for blocking most of the harmful radiation that comes from the sun. You can find maps of the ozone layer and compare different regions of the globe for ozone coverage. Some scientists think that aerosols in...