Two diagrams of the chest, one for breathing in and one for breathing out, anchor this 5th grade sheet. Students circle choices in a table for the diaphragm, ribs, lungs and air. Page 2 shows a bottle and balloon lung model with four numbered parts to name, plus a short answer on which part stands for the diaphragm. An answer key completes the three pages.
“Describe how the diaphragm, ribs and lungs move when we breathe in and when we breathe out.”
The Part 1 table covers both directions for each part.
“Use a model of the lungs and say which part stands for which body part.”
Part 2 items 2 and 3 ask for the four model labels and the diaphragm.
Two diagrams, Breathing In and Breathing Out, show the lungs, diaphragm and arrows for the chest. Students circle one choice in each of eight table cells, such as moves down or moves up and rushes in or is pushed out.
A drawing of a plastic bottle with a straw, a small balloon and a rubber sheet at the bottom. Students match four numbered parts to trachea, lung, ribcage and diaphragm, then explain what pulling down on the rubber sheet does to the balloon.
The completed chart, the four model labels and a model answer on how pulling the rubber sheet makes the balloon inflate.
Hands on the ribs
Have students rest their hands on their ribs and breathe in and out before they circle. They feel the ribs move out, then in.
Build the model
Make the bottle model at the front while students work on page 2. Pull the rubber sheet so they see the balloon change.
Spot the difference
Cover the table and ask what differs between the two diagrams. The size of the lungs and the direction of the arrows give most of the answers.
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