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Alpha science classroom: DIY Cartesian Diver

Views:2     Author:Site Editor     Publish Time: 2021-12-06      Origin:Site

Why can divers sink or float in the sea? The children are curious about the mystery of this knowledge. Today, Alpha Science Class is handed over to children DIY Cartesian divers. Through this interesting children's physical science experiment project, we will explain to children the knowledge principles of density and pressure, so that children can understand why divers can descend and ascend. At the same time, this kid's science experiments activity helps children learn interesting scientific knowledge and grow up happily.

Alpha science classroom: DIY Cartesian Diver Materials you'll need

  • two-liter bottle (empty, plastic)

  • bendy straw

  • small paper clip

  • clay

  • thick foil

  • scissors

  • Water

Alpha Science Classroom: DIY Cartesian Diver Step by Step Tutorial

Step 1: First, the children draw a 1.5"x1" rectangle on the aluminum foil and outline a basic diver shape within the rectangle to cut off the diver.

Step 2: The children carefully cut the 1.5" section of the bent part of the straw, and then use a paper clip to fix one end of the straw to the diver.

hint

It helps to bend the paperclip like the paperclip on the right side of the diver.

Step 3: The children add some clay to the diver's feet. If the diver sinks, try to remove some clay. If the diver is lying horizontally, try adding more clay.

hint

Test your diver in a glass of water to make sure it is floating in a vertical position.

children-physical-science-experiment

Step 4: The children fill your liter bottle with water. Put the diver inside and make sure it floats. Close the bottle tightly.

Alpha Science Class: DIY Cartesian Diver, Scientific Principles

Tell the kids in the alpha science classroom. Squeeze the bottle and watch the diver sink to the bottom! what happened? When you put the diver in the bottle, the air will be trapped in the inverted U-shaped straw. Squeezing the bottle will cause the water to compress the air in the straw. This makes the toy divers denser, causing them to sink to the bottom. When the pressure is released, the diver will float back to the top!

The children’s DIY Cartesian Diver keeps rising and falling in the bottle. This is the role of density and pressure. Children can also use their imagination to expand the content of this children’s physical science experiment and make it a more interesting, alpha science classroom The class is over. If you want to learn more about kid's science experiments, follow us!

Alpha science toys have also prepared various children's physical science experiment kits for children to help them understand different physical science phenomena, learn the knowledge happily, and become the next Newton.


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