Investigating Seasonal Variability in NO2 Concentrations

It's a time of change. A hands-on activity engages young scientists in a lesson highlighting the change of seasons. They brainstorm indicators of season changes in nature and then look for them. Next, they record observations in a field...

Unlock the mystery behind seasonal change with a collection of worksheets and activities. Whether they are drawing pictures of Earth's orbit around the sun or graphing the temperature and daylight hours of different locations from around...

Do the summer and winter solstices mark the beginning of the warmest and coldest quarters of the year? After an introduction of scientific concepts related to seasons, an informative video explains how the Romans are responsible for the...

The axis and rotation of Earth create the perfect conditions for life as we know it. An educational video explains why Earth has seasons, why different parts are warmer or cooler than others, and what the spring and autumnal equinoxes...

Young scholars compare graphs of their data that was generated on a NASA website.  In this seasons lesson students complete a lab activity. 

Do predators look for different things in different seasons? The quick interactive shows how some species survive longer in one season than another based on the conditions. The challenge questions encourage pupils to demonstrate that...

Before iPhones and calendars, how did humans determine the seasons of the year? Middle school scientists discover how to use shadows to determine the time of year in an enlightening interactive. Pupils manipulate the sun and examine the...

Model and explore osmosis using squash and potatoes. Young scientists expose chunks of potatoes to different concentrations of a squash solution. They compare the weights of the chunks before and after exposure to the solution and use...

What drives the ocean's motion? Get your class moving toward understanding by using this video. Viewers find that thermohaline circulation is caused by the concentration gradients of temperature and salinity. Using adorable animation in...

Students attempt to understand seasonal variation by viewing images of the energy received by the earth. For this weather lesson, students view images from NASA of the influx of energy from the sun and make predictions about resulting...