Hooked on Science - Instant water bottle freeze slam

JANUARY 21ST – 27TH

INGREDIENTS

• Large Metal Bowl

• Rock Salt

• Ice

• Thermometer

• Refrigerated Bottled Water

INSTRUCTIONS 

STEP 1: Fill the large metal bowl 1/4th of the way with ice. Pour a cup of rock salt in the bowl. Mix the ice and salt. Describe and classify the ice and salt by their observable properties before and after mixing.

STEP 2: Place the refrigerated bottled water into the bowl. Completely cover the bottled water with ice and salt.

STEP 3: Insert the thermometer into the ice. Closely watch the thermometer. Once the thermometer reads 16°F, wait 15 minutes, and then carefully remove the bottled water.

STEP 4: Slam the bottled water, upright, onto a flat surface and observe. Describe and classify the water by its observable properties before and after you placed it into the ice and salt

EXPLANATION

The lack of impurities in the bottled water allows the water to supercool. Once you slam the bottled water onto a flat surface the supercooled water molecules form a crystal in a process called nucleation. This creates a chain reaction, causing the bottled water to go from a liquid to a solid.

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.

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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