Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
16th December 2022
- 1Electricity
A resistor of resistance 15 ohm is connected to a 6.0 V supply. Calculate the current flowing through it. Use V = I x R.
- 2Circuits, Resistance and Components
Define electric current.
- 3Mains Electricity, Power and Energy
Why does the national grid transmit electricity at a very high potential difference?
- 4Particle Model of Matter
A 1.5 kg block of iron is heated from 18 degrees C to 98 degrees C. The specific heat capacity of iron is 450 J/(kg degrees C). Calculate the change in thermal energy.
- 5Density and the Particle Model of Matter
Convert a density of 2.7 grams per cubic centimetre into kilograms per cubic metre.
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