Daily Practice · GCSE Science
August 1998 - GCSE Science 5-a-day
Every sheet in August 1998
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st August 1998A resultant force of 60 N acts on a wheelbarrow of mass 15 kg. Calculate its acceleration.
- 2nd August 1998State the difference between a permanent magnet and an induced magnet.
- 3rd August 1998State whether a galaxy moving towards Earth would show a red-shift or a blue-shift in its light.
- 4th August 1998Why does active transport require energy?
- 5th August 1998State one way that pathogens can be spread from person to person.
- 6th August 1998State two things excess glucose can be converted into for storage in the human body.
- 7th August 1998Define homozygous.
- 8th August 1998Name one way to make a rate of reaction experiment more valid rather than simply more precise.
- 9th August 1998Define an isotope.
- 10th August 1998A sealed flask containing 12.0 g of reactants is shaken and a reaction occurs. What is the total mass afterwards?
- 11th August 1998Molten zinc chloride, ZnCl2, is electrolysed using inert electrodes. Write the half equation for the reaction at (a) the cathode, and (b) the anode.
- 12th August 1998A tangent drawn to a volume-time graph at 15 seconds passes through the points (5 s, 6 cm3) and (25 s, 66 cm3). Calculate the rate of reaction at 15 seconds.
- 13th August 1998State the difference between a pure substance and a formulation.
- 14th August 1998Explain why burning a fuel can produce nitrogen oxides even if the fuel itself contains no nitrogen.
- 15th August 1998Name three renewable energy resources.
- 16th August 1998State the equation for density.
- 17th August 1998State whether friction is a contact force or a non-contact force.
- 18th August 1998State the difference between a transverse wave and a longitudinal wave.
- 19th August 1998Name the force that keeps the planets in orbit around the Sun.
- 20th August 1998Why is a stain such as iodine used when preparing a slide?
- 21st August 1998Give two adaptations of a red blood cell.
- 22nd August 1998Complete the word equation for anaerobic respiration in yeast: glucose -> ___ + ___
- 23rd August 1998Explain why sweating cools the body down.
- 24th August 1998Explain why a pyramid of biomass is never wider at the top than at the bottom.
- 25th August 1998Give one reason distillation of seawater requires a large energy input.
- 26th August 1998Define a covalent bond.
- 27th August 1998A student reacts 2.4 g of magnesium with excess dilute hydrochloric acid: Mg + 2HCl -> MgCl2 + H2. Relative atomic mass of Mg = 24. Calculate the number of moles of hydrogen gas produced.
- 28th August 1998State the difference between a rechargeable cell and a non-rechargeable cell.
- 29th August 1998Name the catalyst used when an alkene reacts with hydrogen to form an alkane.
- 30th August 1998Name the two gases released in large amounts by volcanic activity that formed most of the Earth's early atmosphere.
- 31st August 1998Name the energy store associated with a moving car.