Year 9 Science Week Quiz

Which organelle is responsible for producing energy in cells?

• Golgi body
• Mitochondria
• Nucleus
• Ribosome

What is the main difference between a series and a parallel circuit?

• Series uses more power
• Series uses AC, parallel uses DC
• Parallel circuits can't have switches
• Parallel has multiple paths for current

Which form of energy allows scientists to observe distant galaxies?

• Sound energy
• Gravitational energy
• Electromagnetic radiation
• Kinetic energy

Why are binary numbers important in decoding data from space telescopes?

• They show colors directly
• They're used to encode and transmit digital signals
• They help convert light to heat
• They decode sound waves

Which element has the atomic number 8?

• Carbon
• Oxygen
• Hydrogen
• Nitrogen

What is a good example of a chemical change?

• Boiling water
• Melting ice
• Rusting iron
• Breaking glass

Which scientist's laws helped decode the motion of planets?

• Charles Darwin
• Marie Curie
• Isaac Newton
• Gregor Mendel

Which wave can travel through the vacuum of space?

• Water wave
• Seismic wave
• Sound wave
• Light wave

Which field of science helps decode how machines move?

• Chemistry
• Biology
• Physics
• Astronomy

Which of these would be used to decode an ancient message?

• A ruler
• A telescope
• A cipher
• A microscope