What is the difference between a helium atom and an alpha particle?
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Card 8
Front
Why do scientists think that helium should not be used to inflate party balloons?
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Card 9
Front
What are 2 safety precautions to take when taking part in an an experiment?
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Card 10
Front
A car manufacturer tests different heating elements by measuring how long it takes ice to melt. During the test some variables must be controlled. What are 2 control variables in the car manufacturers test?
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Card 11
Front
Some of the energy supplied a car heater causes the ice to melt without the temperature of the ice increasing. What is the name of the energy supplied by the heater?
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Card 12
Front
If the resistance of the variable resistor is increased. What effect will this have on the lamp?
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Card 13
Front
What is the equation to calculate the efficiency?
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Card 14
Front
What is the equation that links current, potential difference and resistance?
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Card 15
Front
What is the equation that links kinetic energy, mass and speed?