ScienceOnline version Test your knowledge of physical science concepts with this fun quiz game! by Luis Elizondo 1 What is the basic unit of force in the SI system? a Watt b Joule c Pascal d Newton 2 Which law states that energy cannot be created or destroyed? a Boyle's Law b Law of Conservation of Energy c Newton's First Law d Ohm's Law 3 What is the chemical symbol for gold? a Au b Pb c Ag d Fe 4 What is the primary force that causes objects to fall to Earth? a Magnetism b Tension c Friction d Gravity 5 What is the pH level of pure water? a 14 b 7 c 1 d 0 6 What type of energy is stored in an object due to its position? a Potential Energy b Kinetic Energy c Thermal Energy d Chemical Energy 7 Which particle has a positive charge? a Electron b Photon c Proton d Neutron 8 What is the speed of light in a vacuum? a 300,000 km/s b 1,000 km/s c 150,000 km/s d 299,792 km/s 9 What is the primary gas in Earth's atmosphere? a Nitrogen b Hydrogen c Oxygen d Carbon Dioxide 10 What is the unit of electrical resistance? a Watt b Ampere c Volt d Ohm