Earlier in the week Year 4 were sound detectives and explored how sound travels. We made listening devices to help us hear sound in different ways.  We learnt that sound travels in waves called sound waves. Sound waves travels through air, water and solid objects and causes particles to vibrate and collide with other particles. In guided reading we read about Anders Celius and summarised what we had learnt. Did you know he created a temperature scale? We have loved Science week.