我们这一周学到了什么？
What Are We Learning This Week?
在晚上，天空会变得很黑。
At night, the sky becomes dark.
本周的问题
This Week’s Big Questions
在夜晚，我们能在天空中看到什么呢？
What do we see in the sky at night?
出门在外
Out on the Town
在接下来的一到两个星期里，和孩子一起观察一下月亮的形状和大小。和他/她一起讨论一下月亮都有哪些变化。
Over a week or two, keep track of the size and shape of the moon with your child. Talk with your child about how it changes over time.
我们本周的单词
Show Me! Our Words of the Week
说 / Say It:
光 / Light
解释 / Explain It:
光是一种能量，它可以让我们的眼睛看清楚东西。有些光是天然的，比如，太阳和星星发出的光。有些光是人造的，比如，灯和蜡烛的光。
Light is a form of energy that makes it possible for our eyes to see. Some lights are found in nature such as the sun and stars. Some lights are manmade such as lamps and candles.
说一说 / Talk about It:
太阳光和我们在家中或学校中的光线有什么区别？
How is the light of the sun different from the lights we use at home or school?
说 / Say It:
月亮 / Moon
解释 / Explain It:
月亮是一个很大的，自然形成的，围绕地球转的天体。在夜里，月亮会照亮夜空。
The moon is a large, natural object that travels around the Earth. The moon lights up the sky at night.
说一说 / Talk about It:
月亮的大小和形状是怎么随着时间改变的？为什么月亮会随着时间改变大小和形状？
How do the moon’s size and shape change over time? Why does this happen?
说 / Say It:
晚上（夜晚） / Night
解释 / Explain It:
晚上/夜晚就是太阳下山以后到太阳升起来前的这段时间。晚上的天空很黑。
Night is the time from sunset to sunrise when the sky is dark.
说一说 / Talk about It:
有什么东西是我们晚上能看到或者能做，但是白天/早上不能看到或者不能做的？
What are some special things that we can only do or see at night?