Daily Practice · GCSE Science
December 1960 5-a-day
Every sheet in December 1960
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st December 1960Why is a stain such as iodine used when preparing a slide?
- 2nd December 1960Give two adaptations of a red blood cell.
- 3rd December 1960Complete the word equation for anaerobic respiration in yeast: glucose -> ___ + ___
- 4th December 1960Explain why sweating cools the body down.
- 5th December 1960Explain why a pyramid of biomass is never wider at the top than at the bottom.
- 6th December 1960Give one reason distillation of seawater requires a large energy input.
- 7th December 1960Define a covalent bond.
- 8th December 1960A 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.
- 9th December 1960State the difference between a rechargeable cell and a non-rechargeable cell.
- 10th December 1960Name the catalyst used when an alkene reacts with hydrogen to form an alkane.
- 11th December 1960Name the two gases released in large amounts by volcanic activity that formed most of the Earth's early atmosphere.
- 12th December 1960Name the energy store associated with a moving car.
- 13th December 1960Calculate the current drawn by a 1150 W kettle on a 230 V supply.
- 14th December 1960State the approximate radius of a nucleus compared with the radius of an atom.
- 15th December 1960A force of 40 N is applied 0.25 m from a pivot. Calculate the moment.
- 16th December 1960A rectangular coil carrying a current is placed in a magnetic field, with its two long sides parallel to each other. Explain why the coil rotates rather than moving in a straight line.
- 17th December 1960State the difference between resolution and accuracy.
- 18th December 1960State the type of large biological molecule that all enzymes are made from.
- 19th December 1960How do bacteria make a person feel ill?
- 20th December 1960Define homeostasis.
- 21st December 1960Give one example of variation that is caused purely by the environment rather than by genes.
- 22nd December 1960A sample contains 90% of an isotope with mass number 10 and 10% of an isotope with mass number 11. Calculate the relative atomic mass, to 1 decimal place.
- 23rd December 1960On what property are elements ordered in the modern periodic table?
- 24th December 1960In the equation 2H2 + O2 gives 2H2O, how many moles of water are formed from 3 mol of hydrogen?
- 25th December 1960Using the values in the previous question, calculate the overall energy change for the reaction.
- 26th December 1960In the Haber process, state the effect of removing some ammonia from the equilibrium mixture as it forms on the position of equilibrium.
- 27th December 1960Why must dilute nitric acid be added before silver nitrate solution when testing for a halide ion?
- 28th December 1960State the equation for work done.
- 29th December 1960A resistor of resistance 15 ohm is connected to a 6.0 V supply. Calculate the current flowing through it. Use V = I x R.
- 30th December 1960State the relationship between pressure and volume for a fixed mass of gas at constant temperature.
- 31st December 1960A runner completes a 400 m race in 52 s. Calculate her average speed, giving your answer to 3 significant figures.