Wk 14 How Electricity Works

What are the three particles that make up an atom?

• Protons, electrons, and positrons

• Neutrons, electrons, and positrons

• Protons, neutrons, and electrons

• Neutrons, positrons, and electrons

Tags

NGSS.MS-PS1-1

Which particles are found inside the nucleus of an atom?

• Neutrons

• Positrons

• Protons

• Electrons

Tags

NGSS.MS-PS1-1

What is the outer-most shell of an atom called?

• Orbital shell

• Nucleus shell

• Valence shell

• Electron shell

Tags

NGSS.HS-PS1-1

What are materials called that can pass electrons?

• Protons

• Insulators

• Neutrons

• Conductors

Tags

NGSS.HS-PS1-3

NGSS.HS-PS2-5

What is the unit of measurement for voltage?

• Joule

• Coulomb

• Amp

• Volt

What is the flow of electrons called?

• Magnetic field

• Current

• Resistance

• Voltage

What is the purpose of a resistor in an electrical circuit?

• To generate heat

• To induce voltage

• To restrict the flow of electrons

• To create a magnetic field

What type of current flows back and forth in a circuit?

• Direct current

• Alternating current

• Parallel current

• Static current

What is the difference between AC and DC current?

• DC is one constant value, AC varies

• AC is one constant value, DC varies

• there is no difference

• AC is provided by batteries and DC is provided through electrical outlets

What is the purpose of a transformer?

• To generate electricity

• To store electrons

• To restrict the flow of electrons

• To increase the voltage