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!!FLOAT AN EGG IN THE MIDDLE OF WATER!! (DENSITY COLUME) SCIENCE EXPERIMENT

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Published on Dec 31, 2010

!!FLOAT AN EGG IN THE MIDDLE OF WATER!! (DENSITY COLUME) SCIENCE EXPERIMENT

Crazy Chris shows you how to float an egg in the middle of water, not just on top, but in the middle of water, WHOA!

Objective: To understand how density works and how you can change the density of a liquid.

Materials Needed:
- Cups
- Eggs
- Salt

Step 1) Fill 3 glasses with 250ml of water and place a fresh egg in one of the glasses, watch as it sinks.

Step 2) Put 4 tsp of salt into one of the glasses stir it up and place an egg in the water. Watch as it floats.

StStep 3) Put 4 tsp of salt into the final glass stir it up and pour out some of the salt water. Now place an egg in the water. Slowly and carefully pour fresh water into the glass of salt water and watch as the egg sinks down till the middle.

HOW IT WORKS:
Denisty is the amount of space something takes up per volume and when you add more mass to the same amount of space being taken up you can change the density of a liquid. When you drop a raw egg into fresh water the egg doesnt displace enough water making the egg more dence then the water around it. Creating an unbalanced force which sends the egg to the bottom of its container. When you add 4 tsp of salt to 250 ml of water and stir, the salt crystals break down into molecules and and fill in the holes inbetween the water molecules. The solution now has more mass in the same space or volume, which changes the density of the water. When you add the egg to the salt water you displace the same amount of water but that space has more molecules in it and the egg becomes less dence then the salt water around it. When you slowly add fresh water to salt water the less dence fresh water floats on top of the more dence salt water and you create a dencity colum of water. The egg sinks through the less dence fresh water and floats on the more dence salt water. To make anything that doesnt float, such as a bowling ball that doesnt float, you just have to increase or lower the density of the liquid you want the object to float in.

!!FLOAT AN EGG IN THE MIDDLE OF WATER!! (DENSITY COLUME) SCIENCE EXPERIMENT

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!!FLOAT AN EGG IN THE MIDDLE OF WATER!! (DENSITY COLUME) SCIENCE EXPERIMENT

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