2. Classification of Matter Properties & Changes States of Matter DensityWater

21. Eggs sink in fresh water. However, if you add enough salt to the water, the egg will float. This indicates that eggs are less dense than _____.

23. SampleAB volume20 mL60 mL mass35 g120 g

27. We rarely encounter pure water because it so easily dissolves many substances. As a result, water is sometimes called the __________.

28. Water is slow to heat and slow to cool, resulting in Earth’s moderate climate, thanks to this property of water.

29. What is occurring at point D in this phase change graph?

30. Classification of Matter Properties & Changes States of Matter DensityWater 1 Element 1 Physical property 1 Phase change (change in state) 1 How tightly packed the particles are (how close together) 1 1.0 g/mL 2 Mixture 2 Physical change 2 Liquid 2 1.5 g/cm 3 2 Cohesion 3 Compound 3 Chemical change 3 Plasma 3 Salt water 3 Freezing/Melting pt. & Boiling/Condensation pt. 4 Mixture 4 Chemical change 4 Solid 4 It is less dense than water 4 Universal Solvent 5 Compound 5 Physical change 5 Take up all available space 5 No A=1.75 g/mL B=2.0 g/mL 5 High specific heat Final Jeopardy: Boiling/Vaporizing/Evaporating