Gun silencers

Energy

In class we are learning about energy. Can we create energy? energy is not able to be created or destroyed it can only transform into different forms of energy. How does sound travel? it vibrates through the air. What is sound? it is vibrtions in the air that are forms of energy. What helped us to understand this more was videos, a liquid audio experiment which was putting a liquid on a plastic bag and put it on a speaker system and using the bass speaker would splash it in the air. Holding a slinky at both ends and pushing it back and forth. Using bull roarers and spinning them at speed it would vibrate the molecules around it and make sounds. By tapping a table and puting your ear on it would make it seem louder. Tying some wool in to a spoon and wrapping the wool around your fingers and putting it in your ear and banging the spoon on the table it would be louder. These were some of the things that helped us understand energy.

Athletics

On the 30 of october Te pahu and paterangi school had a athletics day. there were six different activities which were high jump, long jump, sprints, discus, shotput and hurdles. To be honest I was pretty nervous when I did high jump but I was just stupid and I knew I could do it and I came out second. Every year I do athletics I feel like I can't do it but I know I can.