Daily Practice · GCSE Science
January 2020 - GCSE Science 5-a-day
Every GCSE Science sheet published in January 2020, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in January 2020
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st January 2020State two factors, other than depth, that affect the pressure at a given point in a liquid.
- 2nd January 2020State 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.
- 3rd January 2020In the microbiology practical, why are agar plates incubated at 25 degrees Celsius in schools rather than at 37 degrees Celsius?
- 4th January 2020An amylase reaction is complete after 200 seconds. Calculate the rate of reaction using rate = 1000 / time.
- 5th January 2020Why can HIV not be treated with antibiotics?
- 6th January 2020State what is meant by negative feedback.
- 7th January 2020Name the scientist who proposed the three-domain system of classification, and name the three domains.
- 8th January 2020An atom has atomic number 11 and mass number 23. State the number of protons.
- 9th January 2020State the trend in reactivity down group 7 and name the most reactive halogen listed on the periodic table.
- 10th January 2020Define the limiting reactant.
- 11th January 2020State whether the combustion of methane is exothermic or endothermic.
- 12th January 2020State the effect of increasing the temperature on the position of equilibrium of a reaction whose forward reaction is exothermic.
- 13th January 2020Explain how the sodium hydroxide test distinguishes aluminium ions from calcium ions, given that both give a white precipitate.
- 14th January 2020Why should you write down the equation even if you cannot finish the calculation?
- 15th January 2020Two resistors are connected in parallel across a 12 V battery. State the potential difference across each resistor.
- 16th January 2020What causes the pressure of a gas on the walls of its container?
- 17th January 2020A car's velocity increases from 8 m/s to 20 m/s over 4 seconds. Calculate its acceleration.
- 18th January 2020State one medical use of X-rays and one safety precaution taken when X-rays are used in a hospital.
- 19th January 2020State two uses of artificial satellites.
- 20th January 2020Give one advantage of therapeutic cloning over using unrelated embryonic stem cells.
- 21st January 2020Why are xylem cells strengthened with lignin?
- 22nd January 2020Why is glucose converted into starch for storage?
- 23rd January 2020State one difference between selective breeding and genetic engineering.
- 24th January 2020State one way in which high biodiversity benefits an ecosystem.
- 25th January 2020Explain how painting an iron gate helps prevent it from rusting.
- 26th January 2020Why can an ionic solid not conduct electricity?
- 27th January 2020Name the salt made from zinc oxide and nitric acid.
- 28th January 2020State what is meant by a catalyst.
- 29th January 2020State the functional group found in all carboxylic acids.
- 30th January 2020Explain why the natural greenhouse effect is necessary for life on Earth, rather than being a purely harmful process.
- 31st January 2020Define specific heat capacity.