Daily Practice · GCSE Science
February 1975 5-a-day
Every sheet in February 1975
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st February 1975Propene (C3H6) reacts with steam in the presence of a catalyst. Name the catalyst, and name the type of compound formed.
- 2nd February 1975Give two human activities that increase the amount of greenhouse gases in the atmosphere.
- 3rd February 1975A 5.0 kg object is lifted 3.0 m. Calculate its gain in gravitational potential energy (g = 9.8 N/kg).
- 4th February 1975Calculate the current drawn by a 1150 W kettle on a 230 V supply.
- 5th February 1975State the approximate radius of a nucleus compared with the radius of an atom.
- 6th February 1975State two factors, other than depth, that affect the pressure at a given point in a liquid.
- 7th February 1975State the name of the rule used to find the direction of the force on a current-carrying wire in a magnetic field, and name the three quantities it relates.
- 8th February 1975State the difference between resolution and accuracy.
- 9th February 1975State two ways that bile aids the digestion of fats.
- 10th February 1975How do bacteria make a person feel ill?
- 11th February 1975State what is meant by negative feedback.
- 12th February 1975Name the scientist who proposed the three-domain system of classification, and name the three domains.
- 13th February 1975State the relative charge of a neutron.
- 14th February 1975On what property are elements ordered in the modern periodic table?
- 15th February 1975In the equation 2H2 + O2 gives 2H2O, how many moles of water are formed from 3 mol of hydrogen?
- 16th February 1975A reaction profile shows the reactants at 150 kJ and the peak (activation energy point) at 195 kJ. Calculate the activation energy.
- 17th February 1975State the effect of increasing the temperature on the position of equilibrium of a reaction whose forward reaction is exothermic.
- 18th February 1975Why must dilute nitric acid be added before silver nitrate solution when testing for a halide ion?
- 19th February 1975State the equation for work done.
- 20th February 1975A component has a current of 5.0 A and a resistance of 8.0 ohm. Calculate the power dissipated using P = I^2 x R.
- 21st February 1975State the relationship between pressure and volume for a fixed mass of gas at constant temperature.
- 22nd February 1975A car's velocity increases from 8 m/s to 20 m/s over 4 seconds. Calculate its acceleration.
- 23rd February 1975State one medical use of X-rays and one safety precaution taken when X-rays are used in a hospital.
- 24th February 1975State two uses of artificial satellites.
- 25th February 1975Where in a plant are stem cells found?
- 26th February 1975Name the process by which dissolved sugars are transported in the phloem.
- 27th February 1975Why is photosynthesis described as endothermic?
- 28th February 1975State one difference between selective breeding and genetic engineering.