Omar, Stephen and Gabriel from 6th class visited Room 6 today to demonstrate their Science Week experiment. The Senior Infant children were amazed as they watched them using vinegar and baking soda to inflate a balloon.
Here we see a great coke experiment that would put anyone off drinking it !
Look at the wonderful science week projects in 2ND class today! Wow! We are very impresssed.
Monday 12th is the beginning of Science week. We have a scientist coming in on Tuesday to demonstrate some cool science stuff to 5th and 6th classes. We are also expecting to see lots of projects shared at different class levels.
Mrs. Rice class began making shapes and then progressed to building tall buildings and bridges.
6th class conducted three experiments:
Bernouli’s Principle...How planes fly using a ping pong ball and a balloon
Bernoulli’s principle helps explain that an aircraft can achieve lift because of the shape of its wings. They are shaped so that that air flows faster over the top of the wing and slower underneath. Fast moving air equals low air pressure while slow moving air equals high air pressure. The high air pressure underneath the wings will therefore push the aircraft up through the lower air pressure.
Centripetal Force using a coin inside a balloon
The shape of the balloon makes the penny move in a circular path – otherwise the penny would want to continue to move in a straight line. Another force to consider is friction. There’s very little friction between the edge of the penny and the balloon. More friction would cause the penny to slow down and stop.
The real force in action here is called centripetal force, which means center-seeking. This is a force that is always directed toward the center of the circle and is actually responsible for keeping the penny moving in a circular motion inside the balloon.
Static Electricity , using hair and balloons
Rubbing the balloons against the woolen fabric or your hair creates static electricity. This involves negatively charged particles (electrons) jumping to positively charged objects. When you rub the balloons against your hair or the fabric they become negatively charged, they have taken some of the electrons from the hair/fabric and left them positively charged.
1st Class went outside to demonstrate the exploding diet coke and mentos sweet experiment. It was like an oil geysher . How does it happen?
The Mentos serves as a little factory and launchpad for bubbles—supercharging the normal bubble-formation process in the Coke. The mint’s rough surface has thousands of tiny pores, ideal for lots of bubbles to form. As the bubbles grow they float up to the top of the Coke. The process keeps chugging along, creating more and more bubbles until it explodes out the top of the bottle in a foamy overflow.