Daily Practice · GCSE Science
April 1995 - GCSE Science 5-a-day
Every sheet in April 1995
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st April 1995Which reagent is added, and in what colour change, to test for chlorine gas?
- 2nd April 1995Explain how solid carbon particulates released by combustion can cause global dimming.
- 3rd April 1995A lamp is supplied with 60 J and transfers 6 J as light. Calculate its efficiency as a percentage.
- 4th April 1995Define specific latent heat of fusion.
- 5th April 1995A cyclist rides 300 m north then 300 m back south to the start. State the total distance travelled and total displacement.
- 6th April 1995Sound waves travel through a steel rail at approximately 5900 m/s. A sound wave sent along the rail has a frequency of 2950 Hz. Calculate its wavelength.
- 7th April 1995State the eventual fate of a star with a much greater mass than the Sun, after it explodes as a supernova.
- 8th April 1995Give the equation linking magnification, image size and real size.
- 9th April 1995Give one advantage and one disadvantage of a stent.
- 10th April 1995A lamp is placed 10 cm from pondweed. Calculate the relative light intensity using relative light intensity = 1 / distance^2.
- 11th April 1995Name the gland often called the body's master gland.
- 12th April 1995State what is meant by the term ecosystem.
- 13th April 1995Classify crude oil as finite or renewable, and justify your answer.
- 14th April 1995Describe metallic bonding.
- 15th April 1995Calculate the number of moles of sodium hydroxide in 200 cm3 of a 0.500 mol/dm3 solution.
- 16th April 1995State whether breaking a chemical bond requires energy or releases energy.
- 17th April 1995State the number of covalent bonds a carbon atom forms in a saturated hydrocarbon.
- 18th April 1995Give two human activities that increase the amount of greenhouse gases in the atmosphere.
- 19th April 1995A 5.0 kg object is lifted 3.0 m. Calculate its gain in gravitational potential energy (g = 9.8 N/kg).
- 20th April 1995Why does the national grid transmit electricity at a very high potential difference?
- 21st April 1995Why is the atomic model a good example of how scientific models change?
- 22nd April 1995State the equation that links pressure, force and area.
- 23rd April 1995In a simple d.c. electric motor, state the name and function of the component that reverses the current in the coil every half turn.
- 24th April 1995Define the independent variable.
- 25th April 1995State two ways that bile aids the digestion of fats.
- 26th April 1995Name the type of pathogen that causes malaria.
- 27th April 1995Name the gland that monitors and controls blood glucose concentration.
- 28th April 1995Explain why genetic engineering can introduce a new characteristic in a single generation, while selective breeding cannot.
- 29th April 1995State the relative charge of a neutron.
- 30th April 1995Why are the noble gases unreactive?