STATES OF MATTER
Year 4 experimented whether certain items such as; chocolate, cheese, ice, crayons and stones would melt at certain temperatures. They tested this by using time to measure whether these items wold change into solids, liquids or gases. They found out that various different materials melted when heated, as well as some materials that did not melt when heated. They also discovered that some materials can exist both as a solid and a liquid.