Grade 6 Science diagnostic

15 questions on matter & forces, earth & space, biology & genetics and inquiry, plus 3 from Grade 5. Answer what you can, then check your answers to see which topics are secure and what to practise next.

15 questions4 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 225 m in 3 s at constant speed. What is its speed in m/s?

Your answerm/s

2Matter & forcesA gas is compressed more easily than a liquid. Which particle-model feature helps explain this?

A. Gas particles have no mass.B. Gas particles disappear under pressure.C. Liquid particles cannot move.D. Gas particles have much more space between them.

3Matter & forcesMatter and changes: which term fits this description? A direct change from gas to solid.

A. MassB. DepositionC. Chemical changeD. Physical change

4Earth & spaceSpace and the solar system: which term fits this description? An event in which the Moon passes into Earth's shadow.

A. Lunar eclipseB. Light-yearC. Milky WayD. Venus

5Earth & spaceWhich record best supports a local climate comparison?

A. one photographB. one opinionC. one lunchtime temperatureD. many years of consistently measured observations

6Earth & spaceEarth systems: which term fits this description? Molten rock that has reached Earth's surface.

A. WeatheringB. LavaC. WeatherD. Climate

7Biology & geneticsEcosystems and interactions: which term fits this description? An interaction between species in which both participants benefit.

A. ConservationB. MutualismC. ExtinctionD. Abiotic factor

8Biology & geneticsWhich organism commonly acts as a decomposer?

A. a tree making sugarsB. a fungus feeding on dead leavesC. a hawk hunting miceD. a rabbit eating grass

9Biology & geneticsCells and cell structures: which term fits this description? The molecule that stores hereditary information in cells.

A. DNAB. DiffusionC. TissueD. Chloroplast

10InquiryThree measurements are very close together but far from a reference value. They are

A. impossibleB. precise but not accurate relative to the referenceC. automatically correctD. accurate but not precise

11InquiryWhich question is directly measurable?

A. Which color is morally best?B. Which shape is the happiest?C. Which paper shape travels farther under the same release conditions?

12InquiryA length is 3.5 m. Convert it to cm.

Your answer

From Grade 5

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

13Matter & forces (Grade 5)Why compare equal-size strips in a simple strength comparison?

A. Size never affects performance.B. Size can influence the result.C. It removes all measurement uncertainty.

14Inquiry (Grade 5)Why use several plants in each condition?

A. to guarantee the preferred resultB. to change every variableC. to reduce the influence of an unusual individualD. to remove the need to measure

15Matter & forces (Grade 5)Does bending a wire necessarily create a new chemical substance?

A. Yes, every shape change does.B. No.C. Only if it is long.