breathing+investigate+16

OBSERVE: Pull down slowly on the stretched balloon. What happens to the balloon inside the cup? the

the air go to the little balloon Katia, how did that change the balloon?

Push up on the stretched balloon. What happens inside the cup?

the little balloon push the air out of cup Again, describe how the balloon looks now compared to when you pulled down on the stretched balloon.

EVALUATE: Is there more or less space inside the cup when you pull down on the large balloon? there is less room Rethink this answer. You may borrow a model from me so you can repeat your observations.

IDENTIFY: When you pull the large balloon down, what fills the extra space in the cup?

the extra space in the cup is fill by the little balloon The balloon has been in the cup the whole time; is it taking up more room just because you pull down on the other one?

COMPARE: How is the air pressure in the balloon similar to the air pressure in your lungs? Write down what you think happens when you breathe air into your lungs. it is the same by the way is when you breathing in is like the balloon fulling up. when you brathing out it is like loseing your grep on it. //Optional:// comment for page history Looking for tags? Tagging pages is now done in a new place. Once you have saved your changes, click on the "Page" tab and select "Details and Tags".Help · About · [|Blog] · Terms · Privacy · [|**Support**] · [|**Upgrade**]Portions not contributed by visitors are Copyright 2009 Tangient LLC. 1. the one inside become full of air. 2. the air go away
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