If you remember high school science, you’ll ace this quiz. And even if you don’t, stick around to expand your knowledge. 🫡
The GCSE Combined Science exam is designed for UK students aged 15-16, providing a strong foundation in science and opening doors to further study at A-level. 👨🔬
From plant cells to ionic bonding and atomic numbers, this quiz covers all three core sciences – biology, chemistry, and physics – to test your school science knowledge. Let’s get started… 🧬
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Image credits: Andy Barbour
The elements in the periodic table have an atomic number. Which of the following statements describes what an atomic number is?
◯ The number of neutrons in the atom
◯ The number of both protons and neutrons in the atom
◯ The number of protons in the atom
◯ The number of protons, neutrons, and electrons in the atom
Which of these is not a type of blood?
◯ Veins
◯ Arteries
◯ Capillaries
◯ Alveoli
Which of the following compounds is formed through ionic bonding?
◯ Water (H₂O)
◯ Oxygen (O₂)
◯ Sodium Chloride (NaCl)
◯ Methane (CH₄)
Pick which of these is only found in a plant cell.
◯ Cell wall
◯ Cytoplasm
◯ Cell membrane
◯ Nucleus
The density of a material is calculated using its mass and volume. Using the formula above, calculate the density of a concrete block that has a volume of 40 cm³ and a mass of 68 g.
◯ 1.7 g/cm³
◯ 0.6 g/cm³
◯ 0.58 g/cm³
◯ 2.9 g/cm³
Which one of the following statements is true about this type of circuit?
◯ The combined resistance of the two components is equal to the resistance of each individual component
◯ The current is the same through each component
◯ The current breaks, and then reconnects
◯ The voltage provided by the cell is the same as the voltage across each component
The graph shows how the rate of transpiration in a green plant changes with temperature. Look at the graph and choose the statement below that is best supported by the evidence.
◯ “The rate increases with temperature, then levels off at higher temperatures.”
◯ “As temperature rises, the rate of transpiration increases.”
◯ “Temperature has no effect on the rate of transpiration.”
◯ “The rate stays constant at first, then increases as temperature rises.”
Hydrochloric acid reacts with sodium hydroxide to form water and a salt. What is the name of the salt produced?
◯ Sodium hydroxide
◯ Sodium chloride
◯ Sodium sulfate
◯ Hydrogen chloride