Science Quiz

What is the atomic number of copper?

• 10

• 29

• 47

• 79

What is the relationship between protons and electrons in an atom?

• Protons orbit electrons

• Electrons orbit protons

• They repel each other

• They have no relationship

What is the atomic number an indication of?

• Number of protons

• Number of neutrons

• Number of electrons

• Number of molecules

What is the simplest explanation of an atom's structure?

• Like a galaxy

• Like a solar system

• Like a molecule

• Like a cell

What is the role of neutrons in electricity at this level of study?

• They are crucial

• They are ignored

• They are the main focus

• They are partially considered

What is the process called when electrons from one plate travel across the electrolyte to another plate?

• Conduction

• Electrolysis

• Reaction

• Insulation

What is the flow of electrons known as?

• Magnetism

• Electricity

• Insulation

• Conduction

What encourages random electrons in the wire to drift in the same direction?

• Excess protons

• Excess electrons on the -ve plate

• Excess neutrons

• Excess electrons on the +ve plate

What is the unit of electric current?

• Volt

• Ohm

• Ampere

• Coulomb

What is the unit of potential difference?

• Ampere

• Volt

• Ohm

• Coulomb