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Unit 3 Lesson 3Unit 3 Lesson 3
Part 1 – Density Overview
Remember Matter?
0Matter – anything that has mass and takes up space
Physical Properties
0Characteristics of materials0Color, shape, texture0VOLUME and DENSITY
Volume
0Amount of space that matter takes up
Density
0Amount of mass in a defined amount of space0 If you know mass and volume of an object, you can
calculate density.
Compare Density of 2 Blocks
0Wood and aluminum0Same size
0 Same volume0 Take up same amount of space
0Different materials0 Different masses
Compare Density of 2 Blocks
0Heavier block more dense0Greater mass in the same volume
Compare Density of 2 Blocks
0Place blocks in water to compare densities
0Sink or Float0 If it floats, its LESS DENSE0 If it sinks, its MORE DENSE
Compare Density of 2 Blocks
0Wood FLOATS0Aluminum SINKS0Wood is LESS DENSE0Aluminum is MORE DENSE
Liquid Density Column
0Pour liquids that have different densities
0Form liquid layers
Highest density liquid on bottom
Lowest density liquid on top