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100

The organelle that synthesises (makes) proteins

Ribosomes

100

What is the chemical symbol for potassium?

K

100

Why does Earth have Seasons?

Because the Earth's axis is tilted

100

Who was the first person to walk on the moon?

Neil Armstrong

100

What sport is played at Wimbledon?

Tennis

200

Name the two products of photosynthesis

Glucose and Oxygen

200

Name the substance with a pH of 3

Acid

200

What device is used to measure current?

Ammeter

200

What gas is increasing in the atmosphere and causing global warming?

Carbon Dioxide

200

Name the longest river in the world.

The Nile

300

When treating water, what is the purpose of chlorination?

To kill the bacteria

300

Define the term 'compound'

Two or more types of atom (elements) chemically bonded together.

300

What happens to particles when a substance is heated?

They move faster / spread out

300
What planet is NASA currently studying for signs of past life?

Mars

300

Who painted the Mona Lisa?

Leonardo da Vinci 

400

What two things do xylem transport around plants?

Water and dissolved mineral ions

400

State the names and charges of all three subatomic particles (parts of an atom).

Proton: positive

Electron: negative

Neutron: neutral 

400

Why does light bend when travelling from air into a glass block?

The glass block is more dense than air.

400
In early 2026, which insect was hatched in space by scientists in China?

Butterflies

400

How many bones are there in a adult human body?

206

500
Who came up with the theory of evolution by natural selection.

Charles Darwin

500

Who designed the modern day periodic table?

Dmitri Mendeleev

500

Name all 8 energy stores

Magnetic, Gravitational, Chemical, Electrostatic, Kinetic, Thermal, Elastic, Nuclear

500

Scientists have unveiled a new plastic-like biomaterial that gets stronger when wet, produced using materials from the shells of which animal?

Shrimp

500

What is the capital city of Australia?

Canberra