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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 2 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 600 m in 6 s at constant speed. What is its speed in m/s?
m/s
2Matter & forcesA sample has mass 117 g and volume 39 cm³. Calculate density in g/cm³.
g/cm³
3Motion and energyAn object moves at constant velocity -29 m/s for 19 s. Find displacement in m.
m
4Motion and energyA device receives 5900 J and delivers 2950 J of useful energy. Find its efficiency as a percentage.
%
5Electricity & circuitsWaves and electric circuits: which term fits this description? The return of a wave from a boundary into the original medium.
6Electricity & circuitsWaves and electric circuits: which term fits this description? An interrupted path that prevents a steady current through that path.
7Earth & spaceRainfall on four days is 2, 0, 5 and 3 mm. Find the total rainfall in mm.
8Earth & spaceEarth systems: which term fits this description? Atmospheric conditions at a particular place and time.
9Biology & geneticsEcosystems and interactions: which term fits this description? An organism that makes organic food from inorganic materials using an energy source.
10Biology & geneticsA species eats both plant material and animals. Which description fits?
11InquiryIn a controlled test, the deliberately changed factor is the
12InquiryWhich unit is appropriate for the mass of a small apple?

From Grade 6

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

13Inquiry (Grade 6)Why keep the release height the same when comparing paper shapes?
14Inquiry (Grade 6)A ruler starts at 2 cm and an object ends at 9 cm. What is the object length?
cm
15Inquiry (Grade 6)Which question is directly measurable?