D40【0b10 Firemen】万思乐学V-learn小西妈双语工程1906期118binbin-3Y8M202007

恬然

<h1>📣Listening</h1>0a，0b10本周分级和绘本，汉一4-6，循环播 <h1>📚read</h1>海尼曼中4本牛津树2级别 <h1>📀Video</h1>0b10 <h1>🎯Games</h1> 🍀Game8 Science experiment 🌻1.The Candle Burns 👩Baby,look, i have prepared a plate,a box of matches,a candle and a glass bottle.👩Now,l'll light the candle,if i cover it with the bottle,can you guess what will happen?👩Haha,you will know soon.Let's do the experiment![ɪkˈsperɪmənt]👩First i'll light a match.Then use the lighted match to light the candle and set the candle straight up in the center of the plate. See, the candle burns. 👩Now,watch carefully,i'll cover the candle with the bottle,you will know what happens next.👩Yes,The candle stopped burning in the bottle！Why？👩Ok，try again!This time,can you help me cover the candle with the bottle ?👶Yes.👩See, the candle stopped again . Because a lighted candle needs to enough oxygen [ˈɑːksɪdʒən]氧气from the air in order to continue burning.But in the bottle,the oxygen is not enough,when it uses up all the oxygen,the candle’s flame goes out!熄灭👩Do you know oxygen?👶No👩Oxygen is a gas that is present in air,we can't see it,but it is necessary for people, animals and plants to live. 🌻2.Fire Magic 👩Let's do another interesting experiment. It's a fantastic experiment.👩Please drop some food coloring into the water.then pour the water in the plate.👩Guess, what will happen if I cover the burning candle with the bottle? ……👩How about the water?……👩OK. Watch carefully, I’ll cover the candle with the bottle. The candle stays burning and the water level rises slowly. Oh look, the candle went out, the water rises quickly. 👩It's amazing👩Do you want to try again?👶Yes👩Do you know why the water level rised?👶NO👩At first, the flame heats the air inside the bottle and they felt hot,then some of them escapes from under the bottle.When the flame goes out, the air in the bottle cools ,The outside air wanted to get in the bottle,but the water cover the mouth of the bottle,so the outside air pushes water into the bottle.As you just saw that the water level rose.  🌻3.What can burn? Materials:hair,toothpick,cloth,paper,stone,plastic👩Baby,do you know what can burn?Can shoes/clothes/table/sofa/bike/toys…… burn?👶Yes/no👩OK,let's test them.👩Look, the candle is burning. See, what’s this? 👶A hair/ A toothpick/ A piece of cloth/ A piece of paper/ A stone/ A piece of plastic👩Will it burn?👶Yes/no👩Let’s have a try. See, it burns./It doesn’t burn.👩Now,we know the hair,clothes,paper,toothpick,plastic can burn.The stone can’t burn. 👩What other things can burn?can sofa/table/shoes/wheel/firetruck/shovel burn?👩Yes,it can burn.it made of cloth/wood/plastic……👩So it’s fire is so dangerous,it can burn a lot of things in our house.we must be careful when we use it.Little boy can’t play with the fire(match) anywhere. 🍀handcraft：let’s make a fire truck 🍀科普：认识消防设备 Firefighting equipment 灭火器👩we learn firemen this week. Let's go out to learn the fire equipment.👶Ok.👩This is the fire extinguisher. We can use it like this.It can put out the fire. 火警报警器👩This is the fire alarm.If the house or the building on fire press it. It connects the fire station and the property management center. Only press it when there is on fire.Generally no touching! 消防水管👩this is a fire hose.We need it to spray the water 逃生通道👩The emergency access [ˈækses] is here.When there is a fire, we can't use the elevator, we should go out through the emergency access or stairs.Spray water👶Mommy,hose.👩Oh,yeah. It's a hose. Long hose.But this is a plastic hose. That uncle use it to water the plants.👶Water plants?👩Yeah. Spray,spray the water. Water the plants. Fire hydrant消防栓👩Do you know what is this?👶I don't know.👩This is fire hydrant. [ˈhaɪdrənt]Fire hydrant is a kind of fixed [fɪkst]固定的fire fighting facilities,use for put out fire.👩Fire hydrants use nuts [nʌts]螺母；螺帽and bolts.[boʊlts]螺栓A hydrant is a water pump [pʌmp]抽水机；泵where water can be released.[rɪˈliːst]Only firefighters are allowed to open them. Smoke detector烟雾探测器👩Do you know what a smoke detector is?A smoke detector beeps to tell us if there is smoke in the air.👩Why is it important to know this?Because if there's smoke,it means there's a fire somewhere. 👩There is a smoke detector in the corridor[ˈkɔːrɪdɔːr]走廊.Let's go out and look for it. open the door)Look up,over there.It's on the ceiling![ˈsiːlɪŋ]天花板，顶棚 <h1>📝小记</h1>