Why Is It Hotter At the Equator?

Is it possible to change the color of clouds? A three-part activity explores the scattering of light by the water droplets that make up clouds. After observing a demonstration, curious scholars conduct their own investigations of the...

The deeper the mine shaft, the hotter the inside temperature, but why is that? The video explores different theories about the temperature of the earth through time. The discovery of radiation altered scientists' views, but mysteries...

When three dimensions are available, why is our solar system shaped like a flattened disk? Find out how the conservation of angular momentum plays a role. Physics and space science learners alike will be blown away by this bit of...

What would it be like if your only goal in life was eating? See the world from a caterpillar's point of view in an interesting video. Science scholars learn about the life cycle of a butterfly, as well as the distinct functions performed...

We find sand on beaches, sand dunes, timers, and in hydraulic fracturing, but what exactly is it? The video discusses the mineral that composes the majority of sand on the planet. It also explains how it forms and why it ends up near...

How can a bodily function be contagious? It is a question scientists and psychologists are still grappling with, but some of the leading hypotheses are presented here in the case of the contagious yawn. Most likely, it is something we...

There are millions of plant and animal species on the planet, but why do we need so many? Follow along with this short video as it explains how biodiversity helps strengthen ecosystems, allowing them to adapt to change so that life...

Shake and shake the ketchup bottle, none will come, and then a lot will pour out! Finally, a scientific answer to the age-old question of why it is nearly impossible to get this coveted condiment out and onto your french fries! Along the...

Can we journey to outer space to learn more about inner Earth? Discover the method to NASA's madness with an enlightening short video. The narrator explains the composition of the asteroid the resource is studying, what scientists hope...

It turns out that vacuums are not really vacuums. An engaging video lesson explains the process scientists use to create a vacuum. Their efforts get them close, but the video instructor explains why they cannot create a perfect vacuum.