Physical Science

Newton's Rocket

First when building the rocket we had to empty out a bottle of water, secondly we tapped three straws around it. Third, we filled the water bottle with vinegar and put a cork in it. Forth, we split a piece of two-ply toilet paper and then rolled it up with baking soda inside. During the building process of the rocket, my group had to redesign the rocket by adding a fourth straw to help support the body of the rocket. We also poured out some of the vinegar because it was weighing the rocket down. To have a smooth run we made the toilet paper with baking soda slimmer to fall in properly. We succeeded whereas others failed because of these three main components.

Newton's Cradle

Newton's cradle demonstrates the third law of motion. When one of the balls is lifted and released it hits the other stationary balls and sends force through all of them to push the ball on the other end away. Potential energy is applied when the ball is being held or stationary with the others. Kinetic energy is applied when the ball is let go and hits the other ball and when the corresponding ball on the other side begins to move.