sun - the star that earth moves around and that gives earth heat and light, star - a natural luminous body visible in the sky that creates its own heat and light, apparent brightness - the brightness of a star as it appears to an observer, brightness - the quality of giving off light, distance - how far apart from each other two points or places are, model - a simple, abstract view of a complicated event or idea, evidence - a sign that shows that something exists or is true; supports a claim or statement, light year - the distance that light will travel in a year in a vacuum, about six trillion miles, sundial - a device that shows the time of day by the position of a shadow cast by an object with a straight edge,

Earth Sun Stars Lessons 3-5

由
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?