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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 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 model vehicle travels 1672 m in 44 s at constant speed. What is its speed in m/s?
m/s
2Matter & forcesA sample has mass 195 g and volume 15 cm³. Calculate density in g/cm³.
g/cm³
3Motion and energyAn object moves at constant velocity 1 m/s for 35 s. Find displacement in m.
m
4Motion and energyA device receives 2600 J and delivers 780 J of useful energy. Find its efficiency as a percentage.
%
5Electricity & circuitsWaves and electric circuits: which term fits this description? A wave whose oscillations are parallel to its propagation direction.
6Electricity & circuitsWaves and electric circuits: which term fits this description? A change in wave direction associated with a change in propagation speed at a boundary.
7Earth & spaceEarth systems: which term fits this description? Long-term patterns and statistics of weather in a region.
8Earth & spaceSpace and the solar system: which term fits this description? The path an object follows as it moves under gravity around another object.
9Biology & geneticsTwo species depend on the same limited food. Which interaction can occur?
10Biology & geneticsEcosystems and interactions: which term fits this description? A community of organisms together with its non-living environment.
11InquiryAn instrument reads 0.2 units too high on each trial. What correction should be added to each reading?
units
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)A ruler starts at 2 cm and an object ends at 9 cm. What is the object length?
cm
14Inquiry (Grade 6)Which question is directly measurable?
15Inquiry (Grade 6)Why keep the release height the same when comparing paper shapes?