What are your favorite experiments?

Answered by Alana Jensen, Environmental Educator, INL ESER Program I have so many favorite experiments, but here are a couple of fun ones to do in the summertime. Blow Bubbles!You will need: Dishwashing soap, glycerin, water, large jar, liquid measuring cup, pipe cleaners, pliers Measure the volume of your jar by filling the jar with…

Does water reflect or refract light?

Answered by Alana Jensen, INL ESER Program Water is both a reflector and refractor of light. Let’s examine these properties of light separately. Reflection: Reflection is when light hits the surface of an object and then that light travels to our eyes so we can see. All materials reflect light to some extent, but a…

I know pronghorn drop their horns by the end of November, but when do pronghorns start growing new horns and when is horn growth complete?

Answered by Idaho Fish and Game biologist Pronghorn are quite a unique species. They grow horns that shed annually unlike other species that grow horns that get larger each year like bighorn sheep and mountain goats. Horns are different than antlers. Horns are made from a keratinous sheath that grows from a core of live…

How much does snow cover affect temperatures? Does snow reflect enough sunlight that it makes it colder?

Answered by John Hinsberger Meteorologist, National Weather Service-Pocatello, ID Office Daytime TemperaturesThe amount of incoming radiation from the sun that gets reflected back into space is known as albedo. Higher albedo means more of that radiation gets reflected back. Thus, less radiation can be absorbed by the surface, so temperature is affected. One of the…

Can sound travel through me?

Question Answered by Dr. Steven Shropshire, Physics Professor, Idaho State University Yes, sound can travel right through you. While some sound is absorbed by your body, all sound waves can pass through you if they are loud enough. Sound is a vibration. It can be a vibration in the air, in water, and even in…

Is resurrection moss really a moss?

Question Answered by Kristin Kaser, Plant Ecologist, INL ESER Program Southeastern Idaho is part of the Great Basin Desert, the largest desert in North America. It is classified as a cold temperate semidesert steppe with hot, dry summers and cold, snowy winters. During temperature extremes, some of our animals migrate to find needed food and…