Daily Practice · GCSE Science
April 1970 5-a-day
Every sheet in April 1970
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st April 1970Radium-226 (atomic number 88) decays by alpha emission. State the atomic number of the nucleus formed.
- 2nd April 1970State whether sound waves are transverse or longitudinal.
- 3rd April 1970State the name of the component at the centre of a transformer's primary and secondary coils, and state its purpose.
- 4th April 1970Convert 0.02 mm into micrometres (um).
- 5th April 1970Explain what happens to an enzyme above its optimum temperature.
- 6th April 1970Name three non-specific defences of the human body.
- 7th April 1970State why a reflex action is described as involuntary.
- 8th April 1970A student counts 3, 5, 4 and 8 dandelion plants in four separate 1 m^2 quadrats. Calculate the mean number of dandelions per quadrat.
- 9th April 1970State one benefit of recycling metal rather than extracting new metal from its ore.
- 10th April 1970Name the three types of strong chemical bonding.
- 11th April 1970Convert a concentration of 0.20 moles per cubic decimetre of NaOH into grams per cubic decimetre. (Mr = 40)
- 12th April 1970State the energy transfer that occurs during an exothermic reaction.
- 13th April 1970State what happens to the boiling point of hydrocarbons as their chain length increases.
- 14th April 1970In a chromatography experiment, a dye spot travels 4.5 cm and the solvent front travels 6.0 cm. Calculate its Rf value.
- 15th April 1970Define the resolution of a measuring instrument.
- 16th April 1970Two 4 ohm resistors are connected in series. Calculate the total resistance.
- 17th April 1970Which type of radiation is stopped by a sheet of paper?
- 18th April 1970A skateboarder of mass 55 kg moving at 4 m/s collides with and grabs onto a stationary shopping trolley of mass 20 kg, and they move off together. Calculate their combined velocity immediately after the collision.
- 19th April 1970Describe the shape of the magnetic field produced around a long straight wire carrying a current.
- 20th April 1970State how the amount of red-shift is related to a galaxy's distance from Earth.
- 21st April 1970Why does active transport require energy?
- 22nd April 1970State one way that pathogens can be spread from person to person.
- 23rd April 1970State the word equation for anaerobic respiration in human muscle cells.
- 24th April 1970State whether cystic fibrosis is caused by a dominant or a recessive allele.
- 25th April 1970Name one way to make a rate of reaction experiment more valid rather than simply more precise.
- 26th April 1970Define an isotope.
- 27th April 1970A sealed flask containing 12.0 g of reactants is shaken and a reaction occurs. What is the total mass afterwards?
- 28th April 1970Aqueous copper sulfate solution is electrolysed using inert graphite electrodes. State the products formed at (a) the cathode and (b) the anode, giving a reason for each.
- 29th April 1970In the disappearing cross required practical, state the dependent variable that is measured.
- 30th April 1970State the difference between a pure substance and a formulation.