1) Density is _____________________________________- a) chemical characteristic property b) physical characteristic property 2) Density measures the amount of ______________ in a certain amount of __________. a) MATTER in a certain amount of SPACE b) VOLUME in a certain amount of LIQUIDS 3) How do you calculate density?  a) mass x volume (mass multiplied by volume) b) mass / volume (mass divided by volume) 4) Which model shows the object with a greater density? a) b) 5) Objects with the same volume but different mass have _______________.  a) different density. b) the same density. 6) Two substances with same density might be the ____________ substance. For example, if a spoon and ring each have a density of 10.49 g/cm³, both substances might be silver.³ a) different. b) the same 7) What substance is most dense?  a) silver = 10.49 g/cm³ b) gold = 19.3 g/cm³ c) aluminum  = 2.7 g/cm³) d) copper = 9 g/cm³ 8) Look at the picture. How does the density of air compare to the density of the helium-filled balloons (rising to ceiling)? a) the helium balloons are less dense than the air b) the helium balloons are more dense  c) the helium balloons have the same density as the air 9) If these three liquids were poured into a density column, which liquid would be on top? a) water b) oil c) isopropyl alcohol 10) How can we use density to make predictions about substances and objects in real life? a) we can predict if something will go fast or slow b) we can predict if something will sink or float c) we can predict if something will be shiny or colorful

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