Daily Practice · GCSE Science
November 1993 - GCSE Science 5-a-day
Every sheet in November 1993
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st November 1993Name three non-specific defences of the human body.
- 2nd November 1993Define a synapse.
- 3rd November 1993Give one example of an abiotic factor that could affect where a plant species grows.
- 4th November 1993Explain why potable water is not the same as pure water.
- 5th November 1993Explain why sodium chloride conducts electricity when molten but not when solid.
- 6th November 1993Convert a concentration of 0.20 moles per cubic decimetre of NaOH into grams per cubic decimetre. (Mr = 40)
- 7th November 1993State the energy transfer that occurs during an exothermic reaction.
- 8th November 1993State the general formula of the alkanes.
- 9th November 1993In a chromatography experiment, a dye spot travels 4.5 cm and the solvent front travels 6.0 cm. Calculate its Rf value.
- 10th November 1993Define the resolution of a measuring instrument.
- 11th November 1993Two 4 ohm resistors are connected in series. Calculate the total resistance.
- 12th November 1993Which type of radiation is stopped by a sheet of paper?
- 13th November 1993Calculate the momentum of a 1200 kg car travelling at 18 m/s.
- 14th November 1993Explain why a compass needle placed just outside one end of a current-carrying solenoid lines up parallel to the solenoid's axis.
- 15th November 1993Name the second major piece of observational evidence, besides red-shift, that supports the Big Bang model.
- 16th November 1993Why does active transport require energy?
- 17th November 1993Explain why a small number of healthy volunteers are given a very low dose of a new drug in the first stage of a clinical trial.
- 18th November 1993A student counts 19 pulse beats in 10 seconds immediately after running. Calculate her heart rate in beats per minute.
- 19th November 1993State how many chromosomes are found in a normal human body cell, and how they are arranged.
- 20th November 1993Name one way to make a rate of reaction experiment more valid rather than simply more precise.
- 21st November 1993Define an isotope.
- 22nd November 1993A sealed flask containing 12.0 g of reactants is shaken and a reaction occurs. What is the total mass afterwards?
- 23rd November 1993In the industrial extraction of aluminium, explain why the carbon anodes need to be replaced regularly.
- 24th November 1993State the condition, in terms of energy, that colliding particles must meet for a reaction to occur.
- 25th November 1993State the difference between a pure substance and a formulation.
- 26th November 1993Explain why burning a fuel can produce nitrogen oxides even if the fuel itself contains no nitrogen.
- 27th November 1993Name three renewable energy resources.
- 28th November 1993State the equation for density.
- 29th November 1993A cyclist rides 300 m north then 300 m back south to the start. State the total distance travelled and total displacement.
- 30th November 1993A wave has a period of 0.005 s. Calculate its frequency.