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Transcript of Density
What happens if you pour together liquids that have different densities?
Will the liquid on the top have the highest or lowest density?
Will the liquid on the bottom have the highest or lowest density? Review If you pour together liquids that don’t mix and have different densities, they will form liquid layers.
The liquid with the highest density will be on the bottom.
The liquid with the lowest density will be on the top. Liquid Layers Jack has a rock. The rock has a mass of 6g and a volume of 3cm3. What is the density of the rock?
Jill has a gel pen. The gel pen has a mass of 8g and a volume of 2cm3. What is the density of the rock? Work on these problems with your neighbor. Frank has a paper clip. It has a mass of 9g and a volume of 3cm3. What is its density?
Frank also has an eraser. It has a mass of 3g, and a volume of 1cm3. What is its density? Let’s try a density problem together Density is a comparison of how much matter there is in a certain amount of space. What is density? #1-3 Density Which liquid has the highest density?
Which liquid has the lowest density?
Which liquid has the middle density? Liquid Layers – Try with your neighbor Check out this picture from your book. Which layer has the highest density?
Which layer has the lowest density?
Imagine that the liquids have the following densities:
Which number would go with which layer? Liquid Layers Al’Licia has a watch. It has a mass of 4g and a volume of 2cm3. What is the density of the watch?
Mia has a wallet. It has a mass of 15g and a volume of 5cm3. What is the density of the wallet? Now, try these on your own. ALWAYS
UNITS! Density = mass OR mass ÷ volume.
Units for density: g (grams) .
cm3 (centimeters cubed)
Why are these the units for density? What is density? Jake has a book, a ruler, and a balance.
How can Jake find the density of the book with the tools he has? Super Scientist Question of the Day 15g/cm3 12g/cm3 10g/cm3 9g/cm3 7g/cm3 3g/cm3 Imagine that the liquids on the right have the following densities:
Match the colors to the correct densities. Liquid Layers – Try on your own! Now which one is more dense? Which one is more dense? Demonstration: People in a square
How about this: Which square is more dense? Which one is more dense? http://www.brainpop.com/science/matterandchemistry/measuringmatter/