Demo. An invented family, made-up minutes, nobody's real child. The quizzes work: pass a round and watch the clock change.

See it asPiperYear 10 RangiYear 7 NovaYear 3 📚 Learning by year

🔬 Science, Years 9 and 10

Years 9 to 10 · Read up first

10 questions. Get 8 right to earn 10 minutes. All 10 right = +5 bonus. They start easy and get harder as you go, so treat the first few as a warm-up. Every one you miss comes back with the answer and why.

1. What is the distance between one wave crest and the next crest called?

WavelengthFrequencyPeriodAmplitude

2. Where are an atom's protons and neutrons found?

Spread evenly throughout the atomOnly in radioactive atomsOrbiting the outside of the atomIn the nucleus, at the centre of the atom

3. What is the basic unit of life that makes up all living things?

The atomThe tissueThe cellThe organ

4. Which particle in an atom has no electrical charge?

IonNeutronProtonElectron

5. Which particle in an atom has a positive charge?

ElectronNeutronNucleusProton

6. What is it called when a substance reacts with oxygen, often releasing heat and light?

CombustionPrecipitationDecompositionNeutralisation

7. What raw materials does a plant need to carry out photosynthesis?

Carbon dioxide, water and light energyNitrogen and carbon dioxideOxygen and glucoseOnly sunlight

8. According to Newton's first law, what happens to an object with no overall force acting on it?

It always speeds upIt always slows downIt changes direction randomlyIt keeps moving at a constant speed in a straight line, or stays still, if it was already still

9. A 2 kg object is pushed with a force of 10 N. Using F = ma, what is its acceleration?

12 m/s^20.2 m/s^220 m/s^25 m/s^2

10. Ohm's law is V = I x R. A circuit has a current of 2 A and a resistance of 6 ohm. What is the voltage?

4 V8 V3 V12 V

← back