<p style="font-family: -webkit-standard; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: auto;">Solar system </h3><p style="font-family: -webkit-standard; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: auto;">A solar system is a star and everything that revolves around it. In our solar system, the star is the Sun. Also in our solar system are eight planets(Mercury, Venus, Earth, Mars, Jupiter,Saturn, Uranus and Neptune), all their moons, and all the lumps of rock,metal and ice moving around the Sun.</h3><p style="font-family: -webkit-standard; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: auto;">Orbit </h3><p style="font-family: -webkit-standard; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: auto;"></h3><p style="font-family: -webkit-standard; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: auto;">Orbiting means moving around a point in space. Planets orbit the Sun, and the Moon orbits the <span style="-webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961);">Earth. The path they take as they move around is called an orbit too and it is an oval shape.</span></h3><p style="font-family: -webkit-standard; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: auto;"></h3><p style="font-family: -webkit-standard; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: auto;">The dotted line shows the path orbits the Earth.that the Moon takes as it.</h3><p style="font-family: -webkit-standard; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: auto;">Planet</h3><p style="font-family: -webkit-standard; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: auto;">A planet it’s a very large ball of rock or gas that orbits a star’s light. Planet Have their own gravity and this force pulls them into a ball shape called a sphere.</h3><p style="font-family: -webkit-standard; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: auto;">Moons</h3><p style="font-family: -webkit-standard; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: auto;"></h3><p style="font-family: -webkit-standard; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: auto;">A moon is a huge lump of rock that orbits a planet. Most moons are rounded. A planet can have more than one moon. </h3><p style="font-family: -webkit-standard; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: auto;"><br></h3> <h3>公文-游戏中的科学</h3><h3>刚好有星球的拓展，带他做了几页，兴致比较高。</h3> <h3>台风天没什么事情做，在家玩(给孩子的世界说明书)，内容很丰富，是本越读越厚的书。</h3><h3>好考验家长的阅历，有些东西都是拓展的内容。</h3><h3>认字:四五快读</h3><h3>诗词:凉州词-王瀚</h3><h3>(京剧唱出来真的有味道，跟孩子听了好几遍)</h3>