Sunday, November 25, 2012

Science - Year 3 & 4

"That's not flying ..... that's falling with STYLE!"
  Buzz Lightyear 


Our first sessions involved finding out how we could speed up or slow down how objects falls through air and water. 

Using fair testing we experimented with different materials and different surface areas. Each group changed one of the variables.







We worked out that design of objects can influence their rate of movement through the air or water by decreasing or increasing the action of air resistance on them.


Each team started with one plastic supermarket bag, some curling ribbon and a cotton reel. Using this equipment we made a parachute with a buddy, then went out to find out how well they worked.







When we came back we discussed gravity and air pressure. Then we brainstormed things we could change to improve our designs. 

A book by Pablo Bernasconi titled Captain Arsenio inspired us to take some risks with our ideas. All ideas are valuable.









Once we had a whole lot of ideas, we selected one thing that we could change then we built and tried out our new parachutes.

What will be the outcome? Keep watching this space.

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