Space
5th Grade Science · 12 lessons
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Lessons
- 1How Stars Make LightStars are massive balls of hot gas that produce light and heat through nuclear fusion. Our sun is a medium-sized star that provides the energy needed for life on Earth.Lesson
- 2Galaxies and the Milky WayGalaxies are enormous collections of stars, gas, and dust held together by gravity. Our Milky Way galaxy contains hundreds of billions of stars and is a spiral galaxy.Lesson
- 3Asteroids and CometsAsteroids are rocky objects orbiting the sun, mostly found in the asteroid belt between Mars and Jupiter. Comets are icy objects that develop tails when they approach the sun.Lesson
- 4The International Space StationThe International Space Station orbits Earth about 400 kilometers above the surface. Astronauts conduct scientific experiments in microgravity conditions there.Lesson
- 5Gravity and OrbitsGravity keeps planets in orbit around the sun and moons in orbit around planets. The strength of gravity depends on mass and distance between objects.Lesson
- 6Mars, the Red PlanetMars is called the Red Planet because iron oxide (rust) covers its surface. Scientists send rovers to Mars to search for evidence of past water and possible microbial life.Experiment
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