Daily Practice · GCSE Science
April 2020 - GCSE Science 5-a-day
Every GCSE Science sheet published in April 2020, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in April 2020
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st April 2020State the value of the Avogadro constant and what it counts.
- 2nd April 2020Using the values in the previous question, calculate the overall energy change for the reaction.
- 3rd April 2020In the Haber process, state the effect of removing some ammonia from the equilibrium mixture as it forms on the position of equilibrium.
- 4th April 2020Write the ionic equation for the precipitation reaction between barium ions and sulfate ions.
- 5th April 2020Write the equation linking power, energy and time, and rearrange it for time.
- 6th April 2020A resistor of resistance 15 ohm is connected to a 6.0 V supply. Calculate the current flowing through it. Use V = I x R.
- 7th April 2020A gas is heated in a sealed rigid container. Explain what happens to the pressure.
- 8th April 2020A runner completes a 400 m race in 52 s. Calculate her average speed, giving your answer to 3 significant figures.
- 9th April 2020Name the type of electromagnetic wave used by a television remote control.
- 10th April 2020Explain why a satellite moving in a stable circular orbit has a changing velocity even though its speed stays constant.
- 11th April 2020Define an undifferentiated cell.
- 12th April 2020Which tissue transports water and mineral ions from the roots?
- 13th April 2020Give three uses of the glucose produced in photosynthesis.
- 14th April 2020Explain, using the idea of natural selection, why a population of insects can become resistant to a pesticide over time.
- 15th April 2020A peat bog covered an area of 850 hectares in 2015. By 2025, drainage for farmland had reduced the peat bog to 680 hectares. Calculate the percentage decrease in the area of the peat bog.
- 16th April 2020Explain why steel (an alloy of iron and carbon) is generally harder than pure iron.
- 17th April 2020Why do polymers have higher melting points than small molecules such as methane?
- 18th April 2020Complete: acid + metal carbonate gives ...
- 19th April 2020State the four factors that can increase the rate of a chemical reaction.
- 20th April 2020Name the carboxylic acid produced when ethanol is oxidised.
- 21st April 2020State two long-term stores of carbon that removed carbon dioxide from the early atmosphere.
- 22nd April 2020By what factor does kinetic energy increase if speed is doubled?
- 23rd April 2020Calculate the energy needed to melt 0.50 kg of a substance with a specific latent heat of fusion of 210000 J/kg.
- 24th April 2020Define the term 'half-life' of a radioactive isotope.
- 25th April 2020Define the term 'wavelength' of a wave.
- 26th April 2020State the difference between an alternator and a dynamo.
- 27th April 2020Name the structure in a plant cell that controls the substances entering and leaving the cell.
- 28th April 2020Describe the positive result of the Biuret test.
- 29th April 2020What is tested during preclinical testing?
- 30th April 2020State the type of effector that produces a physical response by contracting.