What Are We?

Tree rings are slightly thicker on the south side of the tree because it receives more sunlight. Part two in a series of five lessons helps learners analyze tree rings to determine the environmental conditions that caused size...

Energize the cells of young biologists with an edible life science activity. Engaging students in exploring the inner workings of plant and animal cells, this activity involves using colored jello and various sweet and tasty treats to...

How has the level of carbon dioxide changed over recent years, and what is contributing it? Groups work together to research and present their findings in a creative way. Also built into the lesson is a visit to a sustainable house, but...

With Earth Day quickly approaching, as well as many science fairs, why not challenge your class to investigate geothermal energy or other renewable energy resources? There are five driving questions explored in depth here, as well as...

What's in a cell, anyway? Kids read informational text on what makes up both animal and plant cells, including a page of vocabulary terms they will need to be familiar with (cytoplasm, ribosomes, vacuoles, etc.). Full-color images make...

Motivate young conservationists to stand up and make a change. After learning about the efforts in Cascade Nation Park to reduce carbon emissions in order to preserve the wilderness, students work in groups creating action plans for...

Inspire environmentally conscious young minds with an exceptional video, which traces the life cycles of three different plastic bottles after they are thrown away and move through the earth with different journeys through a landfill, an...

Imagine not being able to remember what day it is or what food you had for breakfast this morning. This nightmare was a reality for Henry Molaison, whose life story is the focus of this video explaining how different parts of the...

Onions, garlic, and coffee can all have unfortunate effects on your breath, but what is the real cause of halitosis? Follow along with this video as it investigates how the bacteria that live in our mouths are responsible for these...

What would be the best place to live on Mars? A fascinating look at the geographical of Mars is sure to intrigue the future astronomers in your middle or high school class. A short video introduces learners to the different...