Welcome to... A Game of X’s and O’s Another Presentation © 2000 - All rights Reserved [email protected] 1 2 4 7 3 5 8 6 9 Scoreboard 1 2 3 X 4 5 6 O 7 Click Here if X Wins Click Here if O Wins 8 9 1 A beaker of water was placed in a freezer until the water froze. What physical property of the water will remain the same throughout this entire process? Temperature Volume Shape Freezing point 1 Home Freezing point 2 What is the freezing point of water? 2 Home About 0°C 3 Some chocolate drink powder is completely dissolved in milk. What is one physical property the milk and the chocolate solution of milk and drink mix share? 3 Home They are both liquids. 4 Why does a scientist repeat an experiment several times? 4 Home To get more reliable results. 5 Marbles are placed into a jar to represent matter. What process does shaking the jar faster and faster model? Freezing Adding heat Playing Removing heat 5 Home Adding heat 6 What process takes place as heat energy is added to water? 6 Home evaporation 7 Which of the following is a good conductor of heat? Metal Plastic Paper 7 Home Metal 8 A gas condenses into a liquid when it is – 8 cooled. Home 9 What change takes place first when heat is removed from water vapor? 9 Home It turns into a liquid.