我们这一周学到了什么？
What Are We Learning This Week?
有的物体可以在水上漂浮，但其他物体会沉下去。
Some objects can float on water while other objects sink.
本周的问题
This Week’s Big Questions
你觉得为什么有的物体会漂浮，但其他的物体会下沉呢？
Why do you think some objects float and other objects sink?
家庭活动
Fun at Home
找一些玩具，并在家里的水槽里装满水。让你的孩子预测一下
Find some toys and fill up your sink at home with water. Ask your child to predict whether the object will float or sink. Place the objects in the water and describe what happens.
我们本周的单词
Show Me! Our Words of the Week
说 / Say It:
漂浮 / Float
解释 / Explain It:
漂浮的意思就是能留在水上。球在水上漂浮。
Floating means to stay on top of water. The ball is floating on the water.
说一说 / Talk About It:
你觉得球为什么能漂浮？
Why do you think the ball is able to float on water?
说 / Say It:
沉下去 / Sink
解释 / Explain It:
沈下去的意思就是在水里浮不起來。石头沈下去。
Sinking means to go under water. The stones are sinking.
说一说 / Talk About It:
你觉得石头为什么沉下去？
Why do you think the stones are sinking?
说 / Say It:
游泳 / Swim
解释 / Explain It:
游泳的意思就是在水里流动。
To swim means to move through water by moving parts of your body.
说一说 / Talk About It:
你喜欢有用吗？为什么？
Do you like to swim? Why or why not?