? A:I'm busy doing an experiment. B:An experiment?(2)
What is it about
What is it about
? A:It's about a theory of air pressure.I fill a jar with water.I cover the top with a piece of cardboard.Then,I turn the jar upside down.Think about what will happen? B:(3)
I don't know
I don't know
.But I think we can't do it inside.The floor will get wet. A:No,it won't. B:(4)
Are you sure the water will stay in the jar
Are you sure the water will stay in the jar
? A:Yes,I'm sure the water will stay in the jar.We can do the experiment and see what will happen. B:Fine!We can know who is right. A:(5)