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?

AmplitudePeriodFrequencyWavelength

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

IonNeutronProtonElectron

3. What is electrical current measured in?

Volts (V)Amperes (A)Ohms (ohm)Watts (W)

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

The cellThe atomThe organThe tissue

5. Which of these is part of the electromagnetic spectrum?

Visible lightSound wavesSeismic wavesOcean waves

6. Why must a chemical equation be balanced?

It makes the equation look neaterThe number of atoms of each element must be the same on both sidesIt changes the products formedIt is only needed for equations with gases

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

Carbon dioxide, water and light energyOxygen and glucoseOnly sunlightNitrogen and carbon dioxide

8. An atom has 6 protons and 6 electrons. What is true about this atom?

It is electrically neutral, because the positive and negative charges balanceIt is positively charged overallIt is negatively charged overallIt cannot exist because the numbers are equal

9. In genetics, what is an allele?

A different version of the same geneA whole chromosomeA type of mutation onlyThe physical appearance of an organism

10. Which equation represents photosynthesis?

6O2 + 6H2O -> C6H12O6 + 6CO2C6H12O6 + 6O2 -> 6CO2 + 6H2OC6H12O6 -> 6CO2 + 6H2O6CO2 + 6H2O -> C6H12O6 + 6O2

← back