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 7 and 8

Years 7 to 8 · 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. In a solid, how are the particles arranged?

Tightly packed and vibrating in placeSpread far apart and moving fastLoosely packed and sliding past each otherNot moving at all

2. What force pulls objects towards the Earth?

GravityFrictionMagnetismAir resistance

3. A moving car has energy because it is moving. What is this type of energy called?

Kinetic energyPotential energyNuclear energyChemical energy

4. Which of these is a sign that a chemical change has probably happened?

The substance gets colder without anything being addedThe substance is cut into smaller piecesBubbling or fizzing as a new gas is given offThe substance changes shape

5. What do we call a feature that helps a living thing survive in its environment?

An adaptationA habitatAn ecosystemA population

6. What is produced when you mix an acid with a base in the right amounts?

A gas that smells like rotten eggs, alwaysPure oxygenOnly more acidA neutral solution of salt and water

7. What do scientists call the two-part naming system that gives every species a unique Latin-style name?

Natural selectionThe food webThe periodic systemBinomial nomenclature

8. What is the name for the huge, slow-moving slabs that make up the Earth's outer shell?

Fault linesVolcanoesContinentsTectonic plates

9. Which group of the periodic table contains elements that barely react with anything else?

The noble gasesThe transition metalsGroup 1, the alkali metalsThe halogens

10. A piece of limestone, a sedimentary rock, is buried deep underground where heat and pressure are intense, but it does not melt. What type of rock could it become?

It stays exactly the same, unchangedAn igneous rock, such as graniteA metamorphic rock, such as marbleA new element

← back