In 2018, 60 delegates from countries around the world gathered together and voted to retire the International Prototype Kilogram (IPK). What is the IPK? Well, it was the physical definition of the kilogram since 1889. Watch this video to learn …[Continue]

Here is a cute video that explains what a unit is and how units are used when we measure stuff….[Continue]

Check out this short video for simple, understandable explanations of what stars and constellations are, and why they move across the sky at night….[Continue]

Have you ever wanted directions to finding constellations in the night sky? This interesting video shows how to locate constellations visible to people who live in the Northern Hemisphere by making connections from the easy-to-find Big Dipper….[Continue]

Although this video was created by a telescope and binocular company, it offers some good information about beginning stargazing. There are tips on choosing a good location and suggestions for accessories that can enhance your experience. Last, but not least, …[Continue]

Learn how you can apply the CER (claim, evidence, reasoning) technique to your scientific investigations….[Continue]