9 ocean mysteries scientists haven’t solved yet
The Earth is mainly a water world — more than 70 percent of its surface is covered by oceans — and yet we know so little about what resides beneath the waves.
Self Learning Modules in All Quarters for Kinder to Grade 12
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SLM Offline Use for Android
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India Launches Lunar Mission With a Shot at Winning This Year’s Moon Race
India is on its way back to the moon after a rocket lifted off from Sriharikota, a launch site off the country’s East Coast, on Friday afternoon local time.The mission,…
See How Crushing Pressures Increase in the Ocean’s Depths
On June 22 the U.S. Coast Guard announced that a remotely operated vehicle found debris from the Titan submersible. OceanGate Expeditions, the company that owns the vehicle, declared that the Titan and all five…
What we know about the ocean’s depths — and why it’s so risky to explore it
The submersible vehicle that was lost at sea is part of a relatively new effort enabling tourists and other paying customers to explore the depths of the ocean, the vast…
Volcanoes, explained
Volcanoes are Earth's geologic architects. They've created more than 80 percent of our planet's surface, laying the foundation that has allowed life to thrive. Their explosive force crafts mountains as well as craters. Lava rivers spread into bleak landscapes. But as time ticks by, the elements break down these volcanic rocks, liberating nutrients from their stony prisons and creating remarkably fertile soils that have allowed civilizations to flourish.
What Is a Volcano? | NASA Space Place – NASA Science for Kids
A volcano is an opening on the surface of a planet or moon that allows material warmer than its surroundings to escape from its interior. When this material escapes, it causes an eruption.
Is there gravity on the moon? Here’s how the satellite’s gravity compares to Earth’s
You may have seen videos of astronauts jumping on the moon. Their movements appear bouncier and lighter than how we move on Earth, and this is thanks to gravity. Gravity is "the force by which a planet or other body draws objects toward its center," according to NASA. If people move differently on the moon than on Earth, does that mean the moon has no gravity?
Automated Table of Specification (TOS)
Table of Specification is a plan prepared by a classroom teacher as a basis for test construction. It is important that this be carefully prepared by the teacher. This tools…
