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Thermal Physics

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  1. insulated cup set

    insulated cup set

    S$8.00

    insulated cup set consists of a transparent glass cup and a transparent double layered glass cup. They look similar. When same amount of hot water is poured into each cup, the double layered glass cup will feel less hot as air is a poor conductor of heat. Learn More
  2. expandable sphere

    expandable sphere

    S$4.00

    expandable sphere is a plastic sphere which is capable of folding down to a fraction of its normal size by the scissor-like action of its joints. As an teaching aid, it can be used to show how object expand without increasing its mass. Learn More
  3. friction spark

    friction spark

    S$2.00

    friction spark is a mini toy to produce spark through friction. Use the sharp edge of the metal plate to scrape quickly along the cerium-stone. When small shavings of the cerium are removed quickly enough the heat generated by friction is enough to ignite those shavings, converting the metal to the oxide, i.e., the sparks are tiny pieces of burning metal. The sparking is due to cerium's low ignition temperature of between 150 and 180 °C. Learn More
  4. uncalibrated thermometer

    uncalibrated thermometer

    S$5.00

    Uncalibrated thermometer does not have markings on the stem of the thermometer. It is meant for students to determine the upper fixed point and lower fixed point. Students can calibrate the thermometer to understand the thermometer better. Learn More
  5. Solid expansion and contraction experiment

    Solid expansion and contraction experiment

    S$5.00

    Solid expansion and contraction experiment is a simple and effective ball and ring experiment. The experiment can be completed in short period of time and the effect can be clearly seen and experienced. Learn More
  6. solar disc 2

    solar disc 2

    S$120.00

    Solar disc 2 concentrates the sunlight which strikes the disc. It comes with a black container to hold water. Water will boil when there is direct afternoon sun shining on the disc. It can also burn a piece of paper within few seconds under afternoon sun. Learn More
  7. Conductivity indicator with temperature display

    Conductivity indicator with temperature display

    S$50.00

    Conductivity indicator with temperature display compares the thermal conductivity between copper, brass, aluminium and steel. Special thermometer is attached to each bar of material. The temperature at various points will be shown. With this technology, we need not use wax and thumb tack anymore. Learn More
  8. Bimetallic jumping disc

    Bimetallic jumping disc

    S$8.00

    Bimetallic jumping disc is a metal disc made from two different thin materials (steel and nickel) bonded together. When there is a temperature change, the two materials expand/contract at different rate. The difference in their size will cause the disc to flex suddenly. The flex will cause the disc to hit against the floor and the disc jumps into the air. This type of disc is used in equipment such as water heater, electric iron, toaster, etc to switch off the circuit when the temperature is too high or switch on the circuit when the temperature is too low. Learn More
  9. thermistor

    thermistor

    S$1.00

    Thermistor is a transducer which will change its resistance when the temperature of the environment changes. This thermistor is 5 kilo ohms when the environment is 25 degree C. The resistance will drop when the temperature of the the the surrounding increases. Learn More
  10. Magic Flower Bag (medium)

    Magic Flower Bag (medium)

    S$10.00

    Pull out "endless" amount of flower from the unassuming paper bag. (Includes 3 flower boxes) Learn More

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