KENTUCKY (June 11th – 17th Hooked on Science - Cloud in a Bottle)

INGREDIENTS

• Isopropyl Alcohol
• Bicycle Pump with Rubber Stopper
• 1 Liter Clear Plastic Bottle

INSTRUCTIONS

STEP 1: Pour enough isopropyl alcohol into the clear plastic
bottle to cover the bottom. Swirl the isopropyl alcohol around in
the clear plastic bottle.
STEP 2: Attach the pump to the rubber stopper. Attach the
rubber stopper to the clear plastic bottle.
STEP 3: Pump the bicycle pump five times. Remove the
stopper and observe. How does the cloud in the bottle compare
to how clouds form on Earth?

EXPLANATION

When the stopper is removed, the air inside expands and cools,
which allows the alcohol molecules to stick together or
condense, creating a cloud, in the bottle.

SCIENCE SAFETY

PLEASE follow these safety precautions when doing any
science experiment.

• ALWAYS have an adult present.
• ALWAYS wear the correct safety gear while doing any
experiment.
• NEVER eat or drink anything while doing any experiment.
• REMEMBER experiments may require marbles, small
balls, balloons, and other small parts. Those objects
could become a CHOKING HAZARD. Adults are to
perform those experiments using these objects. Any child
can choke or suffocate on uninflated or broken balloons.
Keep uninflated or broken balloons away from children.

Thanks,

Jason Lindsey

STEM Certified Educator, Science Multimedia Journalist, and Meteorologist

EMAIL: This email address is being protected from spambots. You need JavaScript enabled to view it.

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WEBSITE: www.hookedonscience.org

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