Soil, at first glance, may not be your favorite topic. But maybe it should be. Soil is a critical natural resource that provides for our environment in so many ways. Soil is a complete ecosystem of its own. Soil is food for some creatures and home to many others. Soil helps to clean our water, recycles nutrients, provides a place for plants to grow, and provides gases to our atmosphere. Soil impacts our weather and provides materials for human industry and construction. So, what is soil ‐ exactly? With the help of soil scientists Carla Rebernak and Dr. David Huber, we can dig in and find out!

Kids have lots of questions about science. Hosts Evie and Garrett are here to help. On episodes of the Science Trek Podcast, scientists answer elementary-age students’ questions on a variety of science topics. The podcasts pair perfectly with the website, ScienceTrek.org, where kids, parents and educators can find videos, facts, games, teacher resources, lesson plans, 360° immersive videos and more! Science Trek is produced by Idaho Public Television, a trusted source for children's educational content.

Our podcast hosts Evie and Garrett get answers to even more student questions about force and motion from Dr. Katherine Devine, professor of physics at the College of Idaho.

Kids have lots of questions about science. Hosts Evie and Garrett are here to help. On episodes of the Science Trek Podcast, scientists answer elementary-age students’ questions on a variety of science topics. The podcasts pair perfectly with the website, ScienceTrek.org, where kids, parents and educators can find videos, facts, games, teacher resources, lesson plans, 360° immersive videos and more! Science Trek is produced by Idaho Public Television, a trusted source for children's educational content.

A desert is one of the Earth’s biomes with a specific climate and its own types of plants and animals. About one-fifth of the Earth’s land surface is classified as desert, and they are found on every continent. Joining hosts Evie and Garrett to answers students questions about deserts are Kim Franklin, Associate Director for Conservation and Jesus Manuel Garcia, Research Associate, both from the Arizona Sonora Desert Museum.

Kids have lots of questions about science. Hosts Evie and Garrett are here to help. On episodes of the Science Trek Podcast, scientists answer elementary-age students’ questions on a variety of science topics. The podcasts pair perfectly with the website, ScienceTrek.org, where kids, parents and educators can find videos, facts, games, teacher resources, lesson plans, 360° immersive videos and more! Science Trek is produced by Idaho Public Television, a trusted source for children's educational content.

In order to fly, we need to overcome four forces: thrust, drag, lift, and weight. In this episode, Frank Lester, education coordinator for the aeronautics division of the Idaho Transportation Department and Pilot Lori MacNichol-Gregory answer students’ questions about flight.

Kids have lots of questions about science. Hosts Evie and Garrett are here to help. On episodes of the Science Trek Podcast, scientists answer elementary-age students’ questions on a variety of science topics. The podcasts pair perfectly with the website, ScienceTrek.org, where kids, parents and educators can find videos, facts, games, teacher resources, lesson plans, 360° immersive videos and more! Science Trek is produced by Idaho Public Television, a trusted source for children's educational content.

Matter is all around us. Everything that has weight and takes up space is matter. Matter exists mostly in four basic states: solid, liquid, gas, and plasma. And it all has to do with atoms. Learn more about states of matter!

Kids have lots of questions about science. Hosts Evie and Garrett are here to help. On episodes of the Science Trek Podcast, scientists answer elementary-age students’ questions on a variety of science topics. The podcasts pair perfectly with the website, ScienceTrek.org, where kids, parents and educators can find videos, facts, games, teacher resources, lesson plans, 360° immersive videos and more! Science Trek is produced by Idaho Public Television, a trusted source for children's educational content.

The Earth averages about 55 earthquakes each day. But what exactly is an earthquake? Find out more about this geological event, its impact on the Earth and on all of us. And learn what you should do in case of an earthquake.

Kids have lots of questions about science. Hosts Evie and Garrett are here to help. On episodes of the Science Trek Podcast, scientists answer elementary-age students’ questions on a variety of science topics. The podcasts pair perfectly with the website, ScienceTrek.org, where kids, parents and educators can find videos, facts, games, teacher resources, lesson plans, 360° immersive videos and more! Science Trek is produced by Idaho Public Television, a trusted source for children's educational content.

There are eight kinds of bears in the world. Brown bears, like the grizzly, and black bears are the most common in the United States. Find out more about this apex species, one essential to its ecosystem.

Kids have lots of questions about science. Hosts Evie and Garrett are here to help. On episodes of the Science Trek Podcast, scientists answer elementary-age students’ questions on a variety of science topics. The podcasts pair perfectly with the website, ScienceTrek.org, where kids, parents and educators can find videos, facts, games, teacher resources, lesson plans, 360° immersive videos and more! Science Trek is produced by Idaho Public Television, a trusted source for children's educational content.

The Earth is our home, but it is made up of many complex systems all working in balance to keep the planet and us alive. Virginia Gillerman, a geologist with the Idaho Geological Survey and Jeffrey Johnson, associate professor of geophysics at Boise State University answer questions about the Earth. Join hosts Evie and Garrett as they discover what makes the third planet from the Sun so special.

Kids have lots of questions about science. Hosts Evie and Garrett are here to help. On episodes of the Science Trek Podcast, scientists answer elementary-age students’ questions on a variety of science topics. The podcasts pair perfectly with the website, ScienceTrek.org, where kids, parents and educators can find videos, facts, games, teacher resources, lesson plans, 360° immersive videos and more! Science Trek is produced by Idaho Public Television, a trusted source for children's educational content.