My First Britannica 2

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Is simp The Sun , ly one g power p iant nuc like lan lear product t. Its heat and li of nucle ar energ ght are the y. 62 LEARN MORE! ” When the nucleus splits in two, it produces enormous energy. ” If two nuclei join and form a bigger nucleus—a process called What’s “nuclear fusion”—even more energy is produced. ” Radiation—the process of giving off with nuclear rays—is a powerful spreading of heat, light, sound, or energy? even invisible beams. One of the first uses of nuclear energy was to build deadly weapons.

S. NUCLEAR ENERGY Energ y from Heat © Keren Su/Corbis © Paul A. Souders/Corbis SE A nergy means power—the power to do work. And thermal, or heat, energy can do a lot of work. When heat is applied to water, for instance, it makes the water boil. Boiling water then changes to vapor, or steam, which can apply great force as it escapes a container. Fill in the Large quantities of steam powered the earliest train engines. blank: The most important source of thermal energy for our Earth is When steam the Sun’s rays.

The five major ones are Miranda, Ariel, Umbriel, Titania, and Oberon. Their names are those of characters from works by William Shakespeare and Alexander Pope. LEARN MORE! READ THESE ARTICLES… PLANETS (VOLUME 2) • SATURN (VOLUME 2) • SOLAR SYSTEM (VOLUME 2) Jet Propulsion Laboratory/NASA 40 URANUS ? U KNOSW rn lies tu a DID YOUra nus and d an ★ considere Between ject first b o n a , n d as a Chiro reclassifie n e th , onfused id astero ects its c fl re e m a n a half comet. Its on was a centaur, hir reek identity: C horse in G lf a h d n a man mythology.

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