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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 3 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 64 g and volume 4 cm³. Calculate density in g/cm³.
g/cm³
2Matter & forcesA sample has mass 114 g and volume 6 cm³. Calculate density in g/cm³.
g/cm³
3Motion and energyAn object moves at constant velocity 7 m/s for 31 s. Find displacement in m.
m
4Motion and energyVelocity changes from 7 m/s to -23 m/s in 10 s. Find average acceleration in m/s².
m/s²
5Waves & soundA periodic wave has frequency 5 Hz and wavelength 1 m. Find its speed in m/s.
m/s
6Waves & soundA repeating signal has frequency 112 Hz. Find its period in seconds as a fraction.
s
7Electricity & circuitsAn ideal ohmic resistor of 59 Ω carries 3 A. Find the voltage across it in V.
V
8Electricity & circuitsA constant current of 9 A flows for 85 s. How much charge passes in C?
C
9ChemistryAn ideal decay model starts with 544 mg. What expected mass remains after 4 half-lives, in mg?
mg
10ChemistryA hypothetical element has isotopes of mass 78 u (45%) and 81 u (55%). Calculate its mean atomic mass in u.
u
11Biology & geneticsEcosystems and interactions: which term fits this description? An organism that obtains energy by consuming other organisms or their products.
12Biology & geneticsAn enzyme changes shape at high temperature and its rate falls. Which is a possible explanation?
13InquiryWhich report is more complete?
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? Rock changed by heat, pressure or fluids without fully melting.
16Matter & forces (Grade 9)A model vehicle travels 868 m in 14 s at constant speed. What is its speed in m/s?
m/s