Daily Practice - 13+ Common Entrance
27th March 1998
- 1Science: Full Practice Paper 2
An old-style filament light bulb transfers 100 J of electrical energy. Of this, 20 J is transferred usefully as light, and the rest is wasted as heat. Calculate the energy wasted as heat.
- 2Science: Full Practice Paper 3
A pupil records the mass of a beaker of ice every 2 minutes as it melts. State which variable is the independent variable in this investigation.
- 3Science: Full Practice Paper 4
State whether respiration in muscle cells during hard exercise, when oxygen supply cannot keep up with demand, is aerobic or anaerobic.
- 4Science: Full Practice Paper 5
A pupil measures the volume of a gas produced in a reaction every 30 seconds. State whether the volume of gas is the independent or the dependent variable.
- 5Science: Full Practice Paper 6
Name the process of cell division that produces two genetically identical daughter cells for growth and repair.
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