Daily Practice · GCSE Science
April 2014 - GCSE Science 5-a-day
Every GCSE Science sheet published in April 2014, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in April 2014
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st April 2014Name the change of state when a liquid becomes a gas throughout the liquid, at its boiling point.
- 2nd April 2014Radium-226 (atomic number 88) decays by alpha emission. State the atomic number of the nucleus formed.
- 3rd April 2014State what happens to the frequency of a wave when it is refracted as it passes into a different material.
- 4th April 2014State two factors that increase the size of the potential difference induced in a coil.
- 5th April 2014A student views a red blood cell at a magnification of x2000. The image of the cell measures 20 mm across. Calculate the real width of the cell, giving your answer in micrometres (um).
- 6th April 2014Explain what happens to an enzyme above its optimum temperature.
- 7th April 2014Name three non-specific defences of the human body.
- 8th April 2014Put these into the correct order for a reflex arc: motor neuron, receptor, effector, relay neuron, sensory neuron.
- 9th April 2014State one structural adaptation of a polar bear that helps it survive in a cold environment.
- 10th April 2014State the two main steps used to produce potable water from a fresh water source.
- 11th April 2014State the charge on a calcium ion (Group 2).
- 12th April 2014Convert a concentration of 0.20 moles per cubic decimetre of NaOH into grams per cubic decimetre. (Mr = 40)
- 13th April 2014State the energy transfer that occurs during an exothermic reaction.
- 14th April 2014Name the process used to separate crude oil into fractions.
- 15th April 2014In a chromatography experiment, a dye spot travels 4.5 cm and the solvent front travels 6.0 cm. Calculate its Rf value.
- 16th April 2014Define the resolution of a measuring instrument.
- 17th April 2014Two 4 ohm resistors are connected in series. Calculate the total resistance.
- 18th April 2014Which type of radiation is stopped by a sheet of paper?
- 19th April 2014State Newton's First Law of Motion.
- 20th April 2014Two bar magnets are placed with their north poles facing each other. State what happens to the magnets.
- 21st April 2014State what is meant by red-shift.
- 22nd April 2014Why does active transport require energy?
- 23rd April 2014Name the vector that spreads the protist pathogen that causes malaria.
- 24th April 2014Explain why breathing rate and breathing depth both increase during exercise.
- 25th April 2014In pea plants, purple flower colour (allele H) is dominant over white flower colour (allele h). State the phenotype of a plant with genotype Hh.
- 26th April 2014Name one way to make a rate of reaction experiment more valid rather than simply more precise.
- 27th April 2014Define an isotope.
- 28th April 2014A sealed flask containing 12.0 g of reactants is shaken and a reaction occurs. What is the total mass afterwards?
- 29th April 2014State the two materials commonly used as inert electrodes in electrolysis, and explain why they must be inert.
- 30th April 2014Explain how a catalyst increases the rate of a reaction without being used up.