Daily Practice · GCSE Science
April 1980 5-a-day
Every sheet in April 1980
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st April 1980Name the alkene with the molecular formula C4H8.
- 2nd April 1980Name three greenhouse gases.
- 3rd April 1980A kettle transfers 360000 J of energy in 150 s. Calculate its power in watts.
- 4th April 1980Give the colour and function of the earth wire.
- 5th April 1980What observation showed the nucleus is positively charged and very small?
- 6th April 1980A spanner is used to loosen a bolt. Explain why using a longer spanner makes it easier to loosen the bolt.
- 7th April 1980State two ways of increasing the force produced by a motor effect setup, for a wire of fixed length at a fixed angle to the field.
- 8th April 1980A student measures 24 cubic centimetres of gas in 3 minutes. Calculate the rate.
- 9th April 1980Name the plant tissue that transports water and dissolved minerals from the roots to the leaves.
- 10th April 1980Give one way of reducing the spread of malaria.
- 11th April 1980Name the hormone released when blood glucose concentration is too high, and state its overall effect.
- 12th April 1980Define mutation.
- 13th April 1980Explain, in terms of electrons, why reactivity decreases going down Group 7.
- 14th April 1980Why do elements in the same group have similar chemical properties?
- 15th April 1980Why is the amount of product directly proportional to the amount of limiting reactant?
- 16th April 1980Explain, in terms of bonds, why breaking bonds is an endothermic process.
- 17th April 1980The forward reaction of a particular reversible reaction is exothermic. State whether the reverse reaction is exothermic or endothermic.
- 18th April 1980A solution forms a green precipitate with sodium hydroxide solution. Which ion is present?
- 19th April 1980Give the equation for wave speed and its units.
- 20th April 1980In a series circuit, the current through one lamp is 0.30 A. State the current through a second lamp in the same circuit.
- 21st April 1980Why does reducing the volume of a gas increase the pressure even though the molecules do not speed up?
- 22nd April 1980State what the gradient of a distance-time graph represents.
- 23rd April 1980Explain why ultraviolet, X-rays and gamma rays can be hazardous to human health, but radio waves are not.
- 24th April 1980Explain, in terms of forces, why a satellite in a stable orbit does not fall towards the Earth or fly off into space.
- 25th April 1980Give one risk of stem cell treatment.
- 26th April 1980Why does a potometer measure water uptake rather than transpiration directly?
- 27th April 1980Why does the rate of photosynthesis fall at very high temperatures?
- 28th April 1980In pea plants, the allele for tall stems (T) is dominant over the allele for short stems (t). A homozygous tall plant (TT) is crossed with a homozygous short plant (tt). State the genotype and phenotype of all the offspring.
- 29th April 1980Explain why large-scale deforestation increases the concentration of carbon dioxide in the atmosphere.
- 30th April 1980State the four stages considered in a life cycle assessment.