This blog was maintained by Helen King during the time she taught at Pt England School. There will be no further posts and comments have been disabled.
On Monday afternoon Miss King handed out balloons so we could learn about pressure When we blew up our balloon we were puffing and straining. Then we blew it bigger and bigger and we let it go and it made a squeaking sound.
Inside a balloon the air builds pressure just like the magma in a volcano. But when the pressure rises to be released. Magma, gas, smoke and ash come out of the vent and out the crater.
No comments:
Post a Comment
Note: Only a member of this blog may post a comment.