Question

with the help of a spoon, prove that Ice is solid.

Answer 1

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Materials for each group

• Empty clean metal soup can
• Salt
• Ice
• Metal spoon or sturdy stick
• Teaspoon
• Paper towel

Materials for the teacher

• Pliers
• Duct tape

Teacher preparation

Use pliers to bend sharp edges on the can down. Then cover the rim with 2–3 layers of duct tape to prevent possible injuries.

Procedure

Dry the outside of a can with a paper towel.

Place 3 heaping teaspoons of salt in the bottom of the can. Fill the can about halfway with ice.

Add another 3 heaping teaspoons of salt.

Add more ice until the can is almost filled and add another 3 teaspoons of salt.

Hold the can securely and mix the ice-salt mixture with a metal spoon or sturdy stick for about 1 minute. Remove the spoon, and observe the outside of the can. Do not touch it yet

.Note:

After completing Step 5, you may choose to have students place a thermometer inside the can. The temperature of the salt and ice mixture will be below the normal freezing point of water, which is 0 °C.

Expected results

A thin layer of ice will appear on the outside of the can. Students may also see liquid water on the upper part of the can where it isn’t as cold.

Answer 2

QUESTION :-

With the help of a spoon, prove that Ice is solid.

ANSWER :-

Melody khao aur khud jaan jao xD