ISCO Exercise 2 (Easy)

What is the SI unit of resistance?

• Ohm

• Volt

• Ampere

• Coulomb

What is the primary function of a switch in an electrical circuit?

• Increase voltage

• Control the flow of current

• Store electrical charge

• Generate electricity

Which material is considered a good conductor of electricity?

• Rubber

• Plastic

• Copper

• Wood

What does a compass needle align with?

• Gravitational force

• Magnetic field

• Electric field

• Nuclear force

What is Newton’s Second Law of Motion?

• F = ma

• For every action, there is an equal and opposite reaction

• An object at rest stays at rest unless acted on by an external force

• Force equals mass times velocity

What happens to an object when no external force acts on it?

• It accelerates

• It comes to rest

• It moves at a constant velocity

• It changes direction

Which subatomic particle has a positive charge?

• Electron

• Neutron

• Proton

• Photon

What is the chemical formula for water?

• H2O

• O2

• CO2

• CH4

Which element is represented by the symbol "Na"?

• Nitrogen

• Sodium

• Neon

• Nickel

What is the chemical symbol for chlorine?

• Cl

• Ch

• Co

• Ca