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How to Show Different Densities With a Water Bottle
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by Adam .
41 Likes
1.6k Views
Step 1 of 8
Fill about 3/4 the water bottle with warm water. You must use warm water.

Fill about 3/4 the water bottle with warm water. You must use warm water.

Step 2 of 8
Put a large amount of sea salt in the water bottle and shake it. You will notice that the water will get very cloudy.

Put a large amount of sea salt in the water bottle and shake it. You will notice that the water will get very cloudy.

Step 3 of 8
Add a few drops of blue food coloring to the warm salt water and shake it again.

Add a few drops of blue food coloring to the warm salt water and shake it again.

Step 4 of 8
Fill a cup with cool water. You must use cool water and do not put salt in this water.

Fill a cup with cool water. You must use cool water and do not put salt in this water.

Step 5 of 8
Add a few drops of yellow food coloring. Remember not to add salt.

Add a few drops of yellow food coloring. Remember not to add salt.

Step 6 of 8
Slowly and carefully pour the yellow fresh water into the bottle with the blue salt water using a funnel. The yellow fresh water will turn green.

Slowly and carefully pour the yellow fresh water into the bottle with the blue salt water using a funnel. The yellow fresh water will turn green.

Step 7 of 8
This is what you should get when you are finished.

This is what you should get when you are finished.

Step 8 of 8

You can also experiment with different colors and you can try to slowly turn the water bottle on its side and upside down. Have fun!

You're Done!
Start over

This guide was made by:
Adam .
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Adam .

Cool!

Adam . (author) 5 months ago

Anna Ormesher

Oh right ok thanks! I might show my rainbow pack this!

Anna Ormesher 5 months ago

Adam .

Great! I also found that a large amount of salt was needed. I'm glad that you and your son had a good time! :)

Adam . (author) 5 months ago

Shannon Hoag

My son and I just did this, it is fun! We had to use a lot more sea salt than I expected but it worked great!!

Shannon Hoag 5 months ago

Adam .

floats*

Adam . (author) 5 months ago

Adam .

Because the regular water is less dense than the salt water, it float on top of the salt water.

Adam . (author) 5 months ago

Anna Ormesher

I don't get it...0.O

Anna Ormesher 5 months ago

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1 Empty Water Bottle

1 Cup

1 Funnel (optional)

Blue Food coloring

Yellow Food coloring

Sea Salt

Water

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