Daily Practice · GCSE Science
February 1957 5-a-day
Every sheet in February 1957
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st February 1957Give the equation for efficiency in terms of energy.
- 2nd February 1957Calculate the mass of 0.5 cubic metres of a material of density 2400 kilograms per cubic metre.
- 3rd February 1957Calculate the weight of an object of mass 8.0 kg on Earth, where g = 9.8 N/kg.
- 4th February 1957Explain, in terms of particle motion, why a wave can transfer energy without transferring matter.
- 5th February 1957Name the region of the Solar System where most asteroids are found.
- 6th February 1957State the function of the mitochondria.
- 7th February 1957Which component of blood transports carbon dioxide, urea and hormones?
- 8th February 1957Name the gas that is released as a product of photosynthesis.
- 9th February 1957A 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.
- 10th February 1957A 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.
- 11th February 1957Explain why potable water is not required to be chemically pure.
- 12th February 1957Why can metals conduct electricity when solid?
- 13th February 1957State the name given to a reaction in which a substance loses electrons.
- 14th February 1957State whether forming a new chemical bond requires energy or releases energy.
- 15th February 1957Propene (C3H6) reacts with steam in the presence of a catalyst. Name the catalyst, and name the type of compound formed.
- 16th February 1957Give two processes that removed carbon dioxide from the early atmosphere.
- 17th February 1957Calculate the kinetic energy of a 2.0 kg trolley moving at 4.0 m/s.
- 18th February 1957What is the difference between alternating and direct current?
- 19th February 1957What observation showed that the atom is mostly empty space?
- 20th February 1957State two factors, other than depth, that affect the pressure at a given point in a liquid.
- 21st February 1957State 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.
- 22nd February 1957In the microbiology practical, why are agar plates incubated at 25 degrees Celsius in schools rather than at 37 degrees Celsius?
- 23rd February 1957Explain why the rate of an enzyme-controlled reaction decreases sharply above the enzyme's optimum temperature.
- 24th February 1957Why can HIV not be treated with antibiotics?
- 25th February 1957State what is meant by negative feedback.
- 26th February 1957Name the scientist who proposed the three-domain system of classification, and name the three domains.
- 27th February 1957Write the electronic structure of an atom with 12 electrons.
- 28th February 1957State the trend in reactivity down group 7 and name the most reactive halogen listed on the periodic table.