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Density is an important property of matter!

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Density is an important property of matter!

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An object’s density depends on how closely the tiny particles are packed together. Objects with a high density have particles that are more tightly
packed than objects with a low density.

To better understand density you can think about the difference between a
golf ball and a ping-pong ball. Even though they are about the same size, golf balls are heavier because they have a higher density.

How something floats or sinks is also related to its density!

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In this experiment, you will need...

1. Paper towel
2. A see-through cup
3. Honey
4. Corn Syrup
5. Maple Syrup
6. 3.25% Milk
7. Dish Soap
8. Vegetable Oil
9. Water and food colouring

Before we start, you and your group need to guess (based on the liquids visible at the front of class) a ranking of these liquids, from most dense to least dense (1-6), excluding water!

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Always wait for Mr. G's queue before pouring anything!

1. Put paper towel under an empty see-through cup.

2. Carefully pour in most dense liquid (#1). Take a picture once it's settled.

3. Carefully pour in (using the wall of your glass to have the liquid trickle down) dense liquid (#2). Take a picture once it's settled.

4. Carefully pour in (using the wall of your glass to have the liquid trickle down) dense liquid (#3). Take a picture once it's settled.

5. Carefully pour in (using the wall of your glass to have the liquid trickle down) dense liquid (#4). Take a picture once it's settled.

6. Carefully pour in (using the wall of your glass to have the liquid trickle down) dense liquid (#5). Take a picture once it's settled.

7. Carefully pour in (using the wall of your glass to have the liquid trickle down) dense liquid (#6). Take a picture once it's settled.

8. Carefully pour in (using the wall of your glass to have the liquid trickle down) water (coloured blue or green, the opposite of the dish soap). Take a picture once it's settled.

Mr. G will now tell you the correct order! Let's start all over (leave your first mix alone; we need it for later)!

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1. Put paper towel under an empty see-through cup.

2. Carefully pour in honey. Take a picture once it's settled.

3. Carefully pour in (using the wall of your glass to have the liquid trickle down) corn syrup. Take a picture once it's settled.

4. Carefully pour in (using the wall of your glass to have the liquid trickle down) maple syrup. Take a picture once it's settled.

5. Carefully pour in (using the wall of your glass to have the liquid trickle down) milks. Take a picture once it's settled.

6. Carefully pour in (using the wall of your glass to have the liquid trickle down) dish soap (blue or green). Take a picture once it's settled.

7. Carefully pour in (using the wall of your glass to have the liquid trickle down) vegetable oil. Take a picture once it's settled.

8. Carefully pour in (using the wall of your glass to have the liquid trickle down) water (coloured blue or green, the opposite of the dish soap). Take a picture once it's settled.

Rerank the liquids from most dense to least dense! What can you learn from your final picture? Compare your first completed mix to your final one (what went right, what went wrong)?

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Rerank the liquids from most dense to least dense! What can you learn from your final picture?

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Compare your first completed mix to your final one (what went right, what went wrong)?

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How dense (compared with the other liquids) is water? How do you know?

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Create a Padlet, PowerPoint or Animoto with pictures of your seven mixing steps and then the correct seven mixing steps (14 images total). Have the three questions and answers (along with your names) on it!

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Honey first!

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Corn syrup second!

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Maple syrup third!

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Milk fourth!

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Dish soap fifth!

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Vegetable oil sixth!

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Water (coloured) last!