1) What do we know about an object's density if it floats on water? a) The object is more dense than water b) The object is less dense than water c) There is no way to tell what the density of the object is based on this information.  2) What measurement (s) do you need to measure to find the density of an object?  a) mass b) volume c) mass and volume 3) Rocks are rough. Which physical property of matter does this describe? a) color b) texture c) shape 4) How can matter change from one state to another state of matter? a) add or remove heat b) add heat c) remove heat 5) What form of matter is steam? a) Gas b) Solid c) Liquid 6) What is the change from a liquid to solid or the opposite of melting is called? a) boiling b) evaporation c) freezing 7) Which state of matter has a definite volume but takes the shape of its container? a) gas b) liquid c) solid 8) In which state of matter are particles tightly packed together? a) gas b) liquid c) solid 9) What is the amount of space matter takes up? a) mass b) volume c) density 10) What is the measure of the amount of matter something contains? a) mass b) volume c) density

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