Review Unit 1 - MATTER

Match the two columns Everything in the universe is made of matter Matter is made up of tiny particles called atoms An element is matter which consists of only one type of atom Mixtures are made up of several pure sentences A compound is matter which consists of more than one type of atom Pure substances are made up of a single type of element or compound All matter has general properties like mass and volume Name two examples of types of matter:1. Two examples of pure substances2. One example of a mixture What is mass? What is volume? What is density? Solids have... fixed volume no fixed volume fixed shape no fixed shape Liquids have... fixed volume no fixed volume fixed shape no fixed shape Gases have... fixed volume no fixed volume fixed shape no fixed shape Complete the text with the correct words. Melting is the name of the process when ice turns into water (solid changes into liquid).Sublimation is the name of the process when a solid changes into gas.Solidification is the name of the process when a liquid changes into solid.Evaporation is the name of the process when a liquid changes into a gas.Condensation is when a gas changes into a liquid.