Daily Practice · GCSE Science
September 1969 5-a-day
Every sheet in September 1969
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st September 1969Explain, in terms of particle motion, why a wave can transfer energy without transferring matter.
- 2nd September 1969Name the region of the Solar System where most asteroids are found.
- 3rd September 1969State the function of the mitochondria.
- 4th September 1969Which component of blood transports carbon dioxide, urea and hormones?
- 5th September 1969A lamp is placed 10 cm from pondweed. Calculate the relative light intensity using relative light intensity = 1 / distance^2.
- 6th September 1969A person's blood glucose concentration is 4.8 mmol/dm^3 before breakfast and 7.2 mmol/dm^3 after breakfast. Calculate the increase in blood glucose concentration.
- 7th September 1969A student places ten 1 m x 1 m quadrats at random across a school field of area 3000 m2 and counts a total of 45 dandelions across all ten quadrats. Estimate the total number of dandelions on the field.
- 8th September 1969Classify crude oil as finite or renewable, and justify your answer.
- 9th September 1969Why can metals conduct electricity when solid?
- 10th September 1969Calculate the number of moles of sodium hydroxide in 200 cm3 of a 0.500 mol/dm3 solution.
- 11th September 1969State whether forming a new chemical bond requires energy or releases energy.
- 12th September 1969Propene (C3H6) reacts with steam in the presence of a catalyst. Name the catalyst, and name the type of compound formed.
- 13th September 1969Give two human activities that increase the amount of greenhouse gases in the atmosphere.
- 14th September 1969A 5.0 kg object is lifted 3.0 m. Calculate its gain in gravitational potential energy (g = 9.8 N/kg).
- 15th September 1969What is the difference between alternating and direct current?
- 16th September 1969What observation showed that the atom is mostly empty space?
- 17th September 1969State two factors, other than depth, that affect the pressure at a given point in a liquid.
- 18th September 1969State the name of the rule used to find the direction of the force on a current-carrying wire in a magnetic field, and name the three quantities it relates.
- 19th September 1969In the microbiology practical, why are agar plates incubated at 25 degrees Celsius in schools rather than at 37 degrees Celsius?
- 20th September 1969State two ways that bile aids the digestion of fats.
- 21st September 1969Why can HIV not be treated with antibiotics?
- 22nd September 1969State what is meant by negative feedback.
- 23rd September 1969Name the scientist who proposed the three-domain system of classification, and name the three domains.
- 24th September 1969State the relative charge of a neutron.
- 25th September 1969State the trend in reactivity down group 7 and name the most reactive halogen listed on the periodic table.
- 26th September 1969Define the limiting reactant.
- 27th September 1969A reaction profile shows the reactants at 150 kJ and the peak (activation energy point) at 195 kJ. Calculate the activation energy.
- 28th September 1969State the effect of increasing the temperature on the position of equilibrium of a reaction whose forward reaction is exothermic.
- 29th September 1969Explain how the sodium hydroxide test distinguishes aluminium ions from calcium ions, given that both give a white precipitate.
- 30th September 1969Why should you write down the equation even if you cannot finish the calculation?