Daily Practice · GCSE Science
November 1994 - GCSE Science 5-a-day
Every sheet in November 1994
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st November 1994Why can metals conduct electricity when solid?
- 2nd November 1994State the name given to a reaction in which a substance loses electrons.
- 3rd November 1994State whether forming a new chemical bond requires energy or releases energy.
- 4th November 1994Propene (C3H6) reacts with steam in the presence of a catalyst. Name the catalyst, and name the type of compound formed.
- 5th November 1994Give two processes that removed carbon dioxide from the early atmosphere.
- 6th November 1994Calculate the kinetic energy of a 2.0 kg trolley moving at 4.0 m/s.
- 7th November 1994What is the difference between alternating and direct current?
- 8th November 1994What observation showed that the atom is mostly empty space?
- 9th November 1994State two factors, other than depth, that affect the pressure at a given point in a liquid.
- 10th November 1994State 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.
- 11th November 1994In the microbiology practical, why are agar plates incubated at 25 degrees Celsius in schools rather than at 37 degrees Celsius?
- 12th November 1994Explain why the rate of an enzyme-controlled reaction decreases sharply above the enzyme's optimum temperature.
- 13th November 1994Why can HIV not be treated with antibiotics?
- 14th November 1994State what is meant by negative feedback.
- 15th November 1994Name the scientist who proposed the three-domain system of classification, and name the three domains.
- 16th November 1994Write the electronic structure of an atom with 12 electrons.
- 17th November 1994State the trend in reactivity down group 7 and name the most reactive halogen listed on the periodic table.
- 18th November 1994Define the limiting reactant.
- 19th November 1994A reaction profile shows the reactants at 220 kJ and the products at 340 kJ. State whether the reaction is exothermic or endothermic.
- 20th November 1994State the effect of increasing the temperature on the position of equilibrium of a reaction whose forward reaction is exothermic.
- 21st November 1994Explain how the sodium hydroxide test distinguishes aluminium ions from calcium ions, given that both give a white precipitate.
- 22nd November 1994Why should you write down the equation even if you cannot finish the calculation?
- 23rd November 1994State the UK mains supply frequency and typical potential difference.
- 24th November 1994What causes the pressure of a gas on the walls of its container?
- 25th November 1994A car's velocity increases from 8 m/s to 20 m/s over 4 seconds. Calculate its acceleration.
- 26th November 1994State one medical use of X-rays and one safety precaution taken when X-rays are used in a hospital.
- 27th November 1994State two uses of artificial satellites.
- 28th November 1994Give one advantage of therapeutic cloning over using unrelated embryonic stem cells.
- 29th November 1994Why are xylem cells strengthened with lignin?
- 30th November 1994Why is glucose converted into starch for storage?