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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 4 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 1071 g and volume 63 cm³. Calculate density in g/cm³.
g/cm³
2Matter & forcesA sample has mass 240 g and volume 12 cm³. Calculate density in g/cm³.
g/cm³
3Motion and energyA 3 kg sample has specific heat 500 J/(kg·°C). Its temperature rises 2°C with no phase change. Find the energy gained in J.
J
4Motion and energyA device transfers 640 J in 8 s. Find average power in W.
W
5Waves & soundA periodic wave has frequency 68 Hz and wavelength 5 m. Find its speed in m/s.
m/s
6Waves & soundA repeating signal has frequency 14 Hz. Find its period in seconds as a fraction.
s
7Electricity & circuitsA steady DC device operates at 47 V and 11 A. Find power in W.
W
8Electricity & circuitsResistors of 45 Ω and 12 Ω are connected in parallel. Find the equivalent resistance in Ω as an exact fraction or integer.
Ω
9ChemistryA solution contains 11 mol of solute in a final solution volume of 3 L. Find concentration in mol/L as a fraction or decimal.
mol/L
10ChemistryIn a simplified isotope exercise, atomic number Z = 8 and mass number A = 27. How many neutrons?
11Biology & geneticsGenetics and inheritance: which term fits this description? Inheritance in which both alleles contribute distinctly to the heterozygote phenotype.
12Biology & geneticsA dominant allele must be the most common allele in a population. Is that justified?
13InquiryRepeated readings are very close but all too high because of a miscalibrated instrument. They are
14InquiryThree measurements are very close together but far from a reference value. They are

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? Molten or partly molten rock below Earth's surface.
16Matter & forces (Grade 9)A model vehicle travels 846 m in 47 s at constant speed. What is its speed in m/s?
m/s