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Grade 3 · Physics

Grade 3 Physics diagnostic

15 questions on waves & sound, light & optics and magnetism & induction, plus 3 from Grade 2. Answer what you can, then check your answers to see which topics are secure and what to practise next.

15 questions3 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.

1Waves & soundWhich sound is quieter: a jet plane taking off or a ticking watch?
2Waves & soundWhich can carry ordinary sound across a classroom?
3Waves & soundWhich sound is quieter: a pencil writing on paper or a marching band drum?
4Waves & soundWhich observation supports the idea that a ruler can vibrate?
5Light & opticsWhich one lets light pass through so you can see clearly through it: clear window glass or a metal pan?
6Light & opticsWhich material usually lets you see a clear image through it?
7Light & opticsWhich one makes its own light: a firefly or a mirror?
8Light & opticsWhich is a safe way to investigate a shadow?
9Magnetism & inductionWhich object will a magnet pull toward it: a copper wire or an iron nail?
10Magnetism & inductionTwo magnets are held with their north poles facing each other. What happens?
11Magnetism & inductionWhich statement is the best testable prediction?
12Magnetism & inductionWhich object will a magnet pull toward it: a steel safety pin or a cotton sock?

From Grade 2

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

13Forces & equilibrium (Grade 2)A ball rolls toward a wall and then away. What changed?
14Forces & equilibrium (Grade 2)A child presses a toy car away from their hand. Is this a push or a pull?
15Forces & equilibrium (Grade 2)A child brings a drawer toward their body using its handle. What action is this?