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Grade 10 · Science

Grade 10 Science diagnostic

16 questions on matter & forces, motion and energy, waves & sound, electricity & circuits, chemistry, biology & genetics and inquiry, plus 2 from Grade 9. Answer what you can, then check your answers to see which topics are secure and what to practise next.

16 questions7 topicsAbout 20 minutesSet 5 of 5

Skip a question if you do not know the answer. It is better than guessing, because it shows what to practise.

1Matter & forcesA sample has mass 144 g and volume 16 cm³. Calculate density in g/cm³.
g/cm³
2Matter & forcesA sample has mass 544 g and volume 34 cm³. Calculate density in g/cm³.
g/cm³
3Motion and energyLift a 14 kg mass vertically by 15 m. Using g = 10 m/s², find the increase in gravitational potential energy in J.
J
4Motion and energyA device receives 6400 J and delivers 320 J of useful energy. Find its efficiency as a percentage.
%
5Waves & soundA periodic wave has frequency 31 Hz and wavelength 15 m. Find its speed in m/s.
m/s
6Waves & soundA repeating signal has frequency 52 Hz. Find its period in seconds as a fraction.
s
7Electricity & circuitsAn ideal ohmic resistor of 67 Ω carries 2 A. Find the voltage across it in V.
V
8Electricity & circuitsThree ideal resistors of 35 Ω, 8 Ω and 50 Ω are in series. Find total resistance in Ω.
Ω
9ChemistryA solution contains 12 mol of solute in a final solution volume of 4 L. Find concentration in mol/L as a fraction or decimal.
mol/L
10ChemistryAn ideal gas occupies 14 L at 280 K. With pressure and amount fixed, find its volume at 840 K in L.
L
11Biology & geneticsCells and cell structures: which term fits this description? The net spread of particles from higher to lower concentration due to random motion.
12Biology & geneticsEcosystems and interactions: which term fits this description? An interaction in which organisms seek the same limited resource.
13InquiryThree measurements are 12, 14 and 16 units. Find their mean.
14InquiryIn a controlled test, the deliberately changed factor is the

From Grade 9

These questions check skills from the grade below, so gaps can be spotted early.

15Earth & space (Grade 9)Earth systems: which term fits this description? Loss of water vapour from a plant, mainly through its leaves.
16Matter & forces (Grade 9)A model vehicle travels 1682 m in 29 s at constant speed. What is its speed in m/s?
m/s