Introduction to Density
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Introduction to Density
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| Subject
Area |
Density calculation, density of a certain material |
| Age
or Grade |
7th Grade |
| Estimated
Length |
1.5 hours |
| Prerequisite
knowledge/skills |
Linear and mass measurement skills (Able to use ruler, can calculate volume, and can measure mass) |
| Description
of New Content |
A material always has the same density, and the relationship between mass, volume, and density |
| Goals |
Have students understand density calculation and that a certain material's density does not change with size or mass |
| Materials
Needed |
Wooden blocks, ruler, calculator, triple beam balance, Density Introduction Worksheet (pdf format) |
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Procedure
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Opener - Which one of these blocks has more particles packed into it? Development - Follow worksheet and discuss answers to questions with students Closure - Find the relationship between mass and volume for other materials
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| Evaluation |
Worksheet answers |
| Extensions |
This leads to a more in depth discussion of density and comparison of densities for other materials |
| References | N/A |