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Grade 7 · Science

Grade 7 Science diagnostic

15 questions on matter & forces, motion and energy, electricity & circuits, earth & space, biology & genetics and inquiry, plus 3 from Grade 6. Answer what you can, then check your answers to see which topics are secure and what to practise next.

15 questions6 topicsAbout 15 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 76 g and volume 4 cm³. Calculate density in g/cm³.
g/cm³
2Matter & forcesA model vehicle travels 1358 m in 14 s at constant speed. What is its speed in m/s?
m/s
3Motion and energyA device receives 200 J and delivers 110 J of useful energy. Find its efficiency as a percentage.
%
4Motion and energyAn object moves at constant velocity 3 m/s for 23 s. Find displacement in m.
m
5Electricity & circuitsWaves and electric circuits: which term fits this description? A change in wave direction associated with a change in propagation speed at a boundary.
6Electricity & circuitsWaves and electric circuits: which term fits this description? The time taken for one complete cycle.
7Earth & spaceEarth systems: which term fits this description? Water falling from clouds as rain, snow or other forms.
8Earth & spaceWhich is a place where water can be stored?
9Biology & geneticsCells and cell structures: which term fits this description? The net spread of particles from higher to lower concentration due to random motion.
10Biology & geneticsIn grass → rabbit → fox, what does the first arrow represent?
11InquiryWhich makes a prediction testable?
12InquiryAn object extends from the 2 cm mark to the 9 cm mark. Find its length in cm.

From Grade 6

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

13Inquiry (Grade 6)Does one trial prove a rule works in every condition?
14Inquiry (Grade 6)Why keep the release height the same when comparing paper shapes?
15Inquiry (Grade 6)What should happen to an unexpected measurement?