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Grade 11 · Science

Grade 11 Science diagnostic

15 questions on motion and energy, waves & sound, electricity & circuits, chemistry and biology & genetics, plus 3 from Grade 10. Answer what you can, then check your answers to see which topics are secure and what to practise next.

15 questions5 topicsAbout 15 minutesSet 1 of 5

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

1Motion and energyA perpendicular force of 3724 N acts over 28 m². Find the pressure in Pa.
Pa
2Motion and energyA 48 kg object has speed 19 m/s. Find its classical kinetic energy in J.
J
3Motion and energyA spring has constant 290 N/m and extension 15 cm within its linear range. Find the restoring-force magnitude in N.
N
4Waves & soundA periodic wave has frequency 26 Hz and wavelength 23 m. Find its speed in m/s.
m/s
5Waves & soundA repeating signal has frequency 27 Hz. Find its period in seconds as a fraction.
s
6Electricity & circuitsA constant current of 9 A flows for 119 s. How much charge passes in C?
C
7Electricity & circuitsWaves and electric circuits: which term fits this description? A circuit arrangement with branches connected across the same two nodes.
8ChemistryA sample has mass 572 g and molar mass 44 g/mol. Find its amount in mol.
mol
9ChemistryAn ideal gas occupies 15 L at 280 K. With pressure and amount fixed, find its volume at 560 K in L.
L
10ChemistryA hypothetical element has isotopes of mass 55 u (60%) and 60 u (40%). Calculate its mean atomic mass in u.
u
11Biology & geneticsGenetics and inheritance: which term fits this description? An observable characteristic produced through genes and environment.
12Biology & geneticsFor Aa × Aa, what fraction of expected offspring genotypes are AA?

From Grade 10

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

13Biology & genetics (Grade 10)Ecosystems and interactions: which term fits this description? An interaction in which one organism benefits and the other is not substantially affected.
14Motion and energy (Grade 10)An object moves at constant velocity 15 m/s for 18 s. Find displacement in m.
m
15Inquiry (Grade 10)Three measurements are very close together but far from a reference value. They are