【想一想】妈妈:“宝贝,我们来做水炮吧!”宝宝:“妈妈,怎么做呀?”妈妈:“我们一人一个铁罐,钻个洞,看谁的水炮射得远?”宝宝:“妈妈,我想射得最远!”妈妈:“好吧,我们一起来试试看,哪种水炮射得最远。”【做一做】材料与工具:铁罐若干、剪刀一把、水一盆1.取一个小铁罐,并在上面钻一个孔。2.将小铁罐里面注满水。小铁罐注满水后,立刻提出水面,看看谁的小水炮厉害。 [Imagine] Mom: “Baby, let’s do the water cannons!” “Baby: ” Mom, what to do? “Mom: ” We are a canister, drill a hole, see who the water Cannon shot far? “Baby: ” Mom, I want to shoot farthest! “Mom: ” Well, let’s try it out together, which water cannons farthest. 】 Materials and Tools: a number of cans, a pair of scissors, a pot of water 1. Take a small iron cans, and drill a hole in the top. 2. The small iron tank filled with water inside. Small iron cans filled with water, immediately raised the water surface to see who the little water cannon amazing.