Daily Practice · GCSE Science
April 1969 5-a-day
Every sheet in April 1969
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st April 1969State the general formula of the alkenes.
- 2nd April 1969Give two processes that removed carbon dioxide from the early atmosphere.
- 3rd April 1969Calculate the kinetic energy of a 2.0 kg trolley moving at 4.0 m/s.
- 4th April 1969Give the colour and function of the earth wire.
- 5th April 1969What observation showed the nucleus is positively charged and very small?
- 6th April 1969A box of weight 120 N has a base area of 0.40 m^2. Calculate the pressure it exerts on the ground.
- 7th April 1969Explain why a current-carrying wire positioned exactly parallel to a magnetic field experiences no force.
- 8th April 1969A student measures 24 cubic centimetres of gas in 3 minutes. Calculate the rate.
- 9th April 1969Explain why the rate of an enzyme-controlled reaction decreases sharply above the enzyme's optimum temperature.
- 10th April 1969Give one way of reducing the spread of malaria.
- 11th April 1969Name the three parts common to every homeostatic control system.
- 12th April 1969State one advantage and one disadvantage of selective breeding in farm animals.
- 13th April 1969Write the electronic structure of an atom with 12 electrons.
- 14th April 1969Why do elements in the same group have similar chemical properties?
- 15th April 1969Why is the amount of product directly proportional to the amount of limiting reactant?
- 16th April 1969A reaction profile shows the reactants at 220 kJ and the products at 340 kJ. State whether the reaction is exothermic or endothermic.
- 17th April 1969In the Haber process, N2(g) + 3H2(g) -> 2NH3(g), state the effect of decreasing the pressure on the position of equilibrium.
- 18th April 1969A solution forms a green precipitate with sodium hydroxide solution. Which ion is present?
- 19th April 1969Give the equation for wave speed and its units.
- 20th April 1969State the UK mains supply frequency and typical potential difference.
- 21st April 1969Why does reducing the volume of a gas increase the pressure even though the molecules do not speed up?
- 22nd April 1969A train travels at a constant velocity of 40 m/s for 3 minutes. Calculate the distance it travels, in km.
- 23rd April 1969A microwave oven uses electromagnetic waves with a wavelength of 0.12 m. Calculate the frequency of these waves (speed of light = 3 x 10^8 m/s).
- 24th April 1969Put the following in order of increasing distance from the Sun: Mars, Venus, Saturn, Earth.
- 25th April 1969Give one risk of stem cell treatment.
- 26th April 1969Why does a potometer measure water uptake rather than transpiration directly?
- 27th April 1969Why does the rate of photosynthesis fall at very high temperatures?
- 28th April 1969Name the three-domain system of classification, and name the scientist most associated with proposing it.
- 29th April 1969Explain why large-scale deforestation increases the concentration of carbon dioxide in the atmosphere.
- 30th April 1969State the four stages considered in a life cycle assessment.