Students become familiar with the variables that control Earth's solar energy supply. They explore the source and nature of solar energy, the genesis of radiation, and the structrue of the Sun, gas spectra are observed and sample...

Geology rocks — literally! A geology chapter offers eleven activities at four different levels. Scholars enjoy completing hands-on experiments before applying critical thinking skills following a share, process, generalize, apply, and...

On April 22, 1970 over 20 million Americans participated in the first Earth Day. But why? The beginnings of what is now a world-wide event, celebrated in over 190 countries to support environmental awareness and protection, are the focus...

In case of earthquake, go to a safe place before posting on social media. The unit includes 12 lessons, most with hands-on activities or experiments. The first six lessons cover the physical process of earthquakes and volcanoes. Lessons...

Students simulate the movement of the Earth using their body motion. In this earth science lesson, students explain how this causes seasonal changes on Earth.

There's more to that glowing ball of light in sky than most children realize. From the overall structure of the solar system, to the changing of the seasons, these hands-on lessons open the eyes of young scientists to the important role...

With the abundance of food products we can easily access in our society today, it is easy to forget the toll this can take on our global environment. Young learners will discover how the transition to agriculture and domesticated living...

Space explorers take a virtual trip around the sun right within your classroom! They stand in a circle facing away from the "sun" (a lamp) in the center of the room. As they move according to your instructions, they view different...

Fourth graders measure the change in the size of their shadow over time. They visit a fixed structure and record the date, the time, and the measurement of the length of their shadow. They do this over the course of the school year. They...

From days of 24 hour sunlight, to endless nights that last for days, the Arctic is a very unique place to live. Examine the seasonal changes that occur in the northern-most reaches of the globe and the impact they have on the plants and...