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Introduction: Gallium, a unique metal with a low melting point, has captured the curiosity of scientists and experimenters alike. Its remarkable properties make it a fascinating element to work with in various experiments. In this blog post, we'll delve into the world of gallium and explore some exciting experiments that highlight its intriguing characteristics.
Experiment 1: Gallium Melting Magic Materials needed:
- Put on protective gloves to ensure safe handling of gallium.
- Place the heat-resistant container or dish on a heat source.
- Carefully pour a small amount of gallium into the container.
- Heat the gallium gradually using the heat source until it melts. Gallium has a melting point of around 29.8°C (85.6°F), so it can melt in your hand or using warm water as well.
- Observe the fascinating transformation as the solid gallium turns into a shiny liquid.
- Experiment with manipulating the liquid gallium using different tools or molds. It can be poured, molded, or even used to create gallium-based alloys.
Experiment 2: Gallium's Reaction with Aluminum Materials needed:
- Put on protective gloves and safety goggles to ensure safe handling of the materials.
- Tear a small piece of aluminum foil or use an aluminum can.
- Place the aluminum foil or aluminum piece in a plastic container.
- Carefully apply a small amount of gallium onto the aluminum surface.
- Observe the reaction between gallium and aluminum. Over time, you will notice the aluminum starting to dissolve or become pitted as it reacts with gallium.
- Take note of the interesting changes that occur and document your observations.
Experiment 3: Gallium Amazing Surface Tension Materials needed:
- Ensure you are working with clean and dry glass or a petri dish.
- Place a small amount of gallium onto the glass surface.
- Observe how gallium behaves due to its unique surface tension properties. It forms small, round droplets and exhibits a mesmerizing spherical shape.
- Using an eyedropper or pipette, carefully add a drop of water onto the gallium droplet. Notice how the water droplet does not mix with the gallium but instead forms a separate droplet on the surface.
- Explore further by adding other liquids to the gallium and observing how they interact.