in the water again. What happens? It sinks. It floats.Why does the egg float in the salt water? 因为盐水的浮力比淡水大。... put a raw egg in a glass of water. What happens to the egg?It sinks (下沉). It floats (漂浮).Now, take ……

in the water again. What happens? It sinks. It floats.Why does the egg float in the salt water? 因为盐水的浮力比淡水大。... in a glass of water. What happens to the egg?It sinks (下沉). It floats (漂浮).2.Now, take the egg out ……

happened?The ball sinks, but the bowl floats, even though they weigh the same. When you put an object...什么样的物体才能浮在水面？Here is why some things float in water and some things sink (下沉).You’ll needWaterproof ……

它们浮在哪一层？它们浮在哪一层？Does a stone float (漂浮)? Does a piece of wood? The answer depends on what liquid... depends on what liquid (液体) you are trying to float the object in.You’ll needYou’ll need ……

than liquid: Floats.An object more dense than the liquid: Sinks.An object less dense than liquid: Floats.An object more dense than the liquid: Sinks. ……

with thumb. Lift thumb and watch what happens.  What happened?What happened?Bottle sinks... blow into tube and observe what happens. Stop blowing and close tube with thumb. Lift thumb ……

or outdoors.What happened?• The paper towel gets wet and sinks into the water but the paperclip ……

1. Mr and Mrs Bigger have a baby. Who is the biggest of the three?2. What kind of ship never sinks?答案见下期4版 ……

Why are you crying?Mother: What are you crying for? Tommy: The teacher kept me in for something I didn't do. Mother: Something you didn't do? What was it?Tommy: M-m-my lessons.Still sadDoctor ……

Day   1Day   1Keeping us clean (P3)Choose the answer:1. For Shi Yuan, what... us clean (P3)Choose the answer:1. For Shi Yuan, what is the problem with garbage sorting?A. Wet waste ……

problem. Or perhaps they scold (责备) you when you don't think you did anything wrong.What do you do... students to say what they think. In the past,5Chinese students dared speak back to their teachers ……

, there’s no gravity (重力), so everything floats (漂浮). Imagine what would happen if the toilet stopped working! ……

a flower parade (游行) at the end of April. People use colorful flowers to decorate floats (装饰花车).Questions:1. How many rooms are there in the house in Germany?2. What are the Netherlands famous for?3. Where ……

the floating debris (垃圾). Unlike other cleanup methods, the system floats freely according...) is attached to either end. This slows down the system as it floats through the water and allows ……

. moved    8. reply      9. would       10. Why  .... stand up for what is right8. stand up for what is right  Page IVPage IVDay 1: 1. Almost 1 ……