Activity: Fluidity

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Objective

• To discover that air has fluid properties and takes up space.

Materials

• A glass
• Dry handkerchief or tissue
• Large deep bowl of water

Procedure

• Push the dry handkerchief into the bottom of the glass so that it will not fall out when the glass is turned upside down.
• Turn the glass upside down and holding it vertically, push the glass into the jar of water until completely covered.
• Now, lift the glass straight up and out of the water.
• Turn it right side up.

Observation

• The handkerchief is completely dry.

Question

• Why isn�t the handkerchief wet? (The air took up space and kept the handkerchief from getting wet).

Conclusion

• The air inside the glass took up space which is a property of fluid.