Metals

Yesterday I watched a documentary about metal. I learned that for wires we use copper. Copper is a conductor. A conductor means that you let electricity flow. I also learned that gold can reflect mostly anything. They even built a gold satilite. It was very fun to watch that documentary.

Electroscope

Today I finished my electroscope. I tested it by rubbing a plastic bottle on a towel. When the bottle got close the tin foil started shaking. This is because when I rubbed the plastic bottle on the towel, it took all the Newtons from the atom. When the bottle got close the neutrons started to Read More…

Lever

Today, I finished my lever project. I made a catapult. The length of the effort arm was 2 9/16 inches. The length of the load arm was 1 1/4 inches. The mechanical advantage was 2.05. I tested the catapult by launching marbles from the kitchen doorway. They went pretty far (approximately to the entrance of Read More…

Solution and Mixtures 1

Today In science we were studying and experimenting mixture. we were learning some components in the mixture like the solvent.  The solvent is dissolved in the solute. We were working around getting to know some key components in the solution like solute and solvent. I have to work on knowing the other components and their Read More…