Understand why planets appear to move backwards at times. The purpose of this experiment is to recreate the movement of planetary bodies in order to learn why they sometimes appear to move backwards ...
In this experiment, students should use advanced math skills to find out how far a person walks on an average day and determine how long it would take that person to walk around the world and to the m ...
Saturn is the sixth planet from the Sun and it’s the second-largest planet in the solar system, behind Jupiter. Unlike Earth, Saturn is a gas giant that is mostly like hydrogen and helium instead of s ...
Planets, asteroids, and comets don’t travel around the sun in perfect circles. Their orbits are stretched out into a shape called an ellipse. The sun, rather sitting right in the center of the shape f ...
Every day, the Sun rises in the east, rides across the sky, and sets in the west. Once upon a time, people thought gods like Apollo carried the Sun on a chariot. But as it turns out, the Sun doesn’t m ...
It is difficult to conceive of the distances between celestial objects. The Earth and the sun are usually around 149,000,000 kilometers apart and the distance between the sun and other stars are so gr ...
Esqueleto de un gato: mamífero carnívoro de la familia de los félidos que tiene garras retráctiles. Hay especies salvajes y domésticas. Ver más
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Squelette d'un chat: mammifère carnivore de la famille des félidés pourvu de griffes rétractiles. Il y a des espèces sauvages et domestiques. Voir plus
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Skeleton of a cat: carnivorous mammal of the feline family, with retractile claws. There are both wild and domestic varieties. See more
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Skeleton of a horse: large hoofed and maned domestic animal of the ungulate family. Raised by humans for pulling loads and for transportation. See more
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