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Ocean In Jar

Ocean Layers

We are going to be creating an ocean in a jar, which will show us the different layers we can find in it. Doing this will help you see the depths of the ocean from a 3D angle.


What we will need:

  • Clear glass jar
  • Clear glass cup/mug
  • Spoon
  • Blue food colouring
  • Corn syrup
  • Vegetable oil
  • Blue dish soap
  • Water
  • Rubbing alcohol
  • Funnels
  • Labels
  • Measuring cup

What to do:


STEP 1: In a clear glass cup mix 4 drops of food colouring and the corn syrup. Using your funnel, just pour that into your glass jar, this will be the trench zone. It is the deepest and darkest zone which has an above freezing temperature.

The trench zone is where starfish and worms are found.

STEP 2: Pour in the blue dish soap next. This will be the Abyss zone; this zone has no light, and its temperature is nearly freezing. There is normally no life in this zone.

STEP 3: In a separate clear cup mix water with 2 drops of food colouring.

STEP 4: Next add two drops of food colouring to the water, be sure to pour it in slowly in the jar because you don’t want the water and the soap to mix. Slow and steady wins the race. This zone is called the midnight zone. This is where most sea creatures like whales can be spotted getting their food.
STEP 5: Add the vegetable oil using a funnel. When you almost at the top pour in the vegetable oil in the jar using a funnel. This is known as the Twilight zone, where you can find most sea creatures that you don’t normally see and most probably don’t know of, such as the zooplankton (Ever watched spongebob?.)

STEP 6: Using an eyedrop or medicine dispenser add in your rubbing alcohol slowly. This zone is called the sunlight zone, where there is light and life. This is the top layer of the ocean, and it is where you can find most of the fish that you know.

And there you have it, your very own ocean in a jar squad member.

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SABC © 2021