Physical ScienceStatic Electricity

Use the diagram to answer the question. A person received an electrical shock when reaching for the metal doorknob. The shock was caused by the  

• A high number of electrons on the doorknob
• A discharge of an imbalance of electrons
• A highly conductive surface of the doorknob
• A low resistance of the person’s skin

What is static electricity?

• electricity produced by like electric charges attracting
• electricity used for powering radios and televisions
• a buildup of balanced electric charges
• a buildup of excess electric charge

What exerts the force that causes other electric charges to move?

• electrical poles
• the electric field
• insulators
• conductors

The law of conservation of charge states that _____.

• the mass before a chemical change equals the mass after
• charge can be created and destroyed but not transferred
• electric charge is not created or destroyed
• charge is not created or destroyed or transferred to objects

Elements that are shiny and good conductors of electricity are _____.

• colloids
• metalloids
• metals
• nonmetals

The negatively charged particles in an atom are called _____.

• electrons
• neutrons
• negatrons
• protons

Positive charges flow from _____.

• low-voltage areas to high-voltage areas
• insulators to conductors
• low-resistance areas to high-resistance areas
• high-voltage areas to low-voltage areas

______ is related to the push that causes charges to move.

• Induction
• Static
• High-resistance
• Voltage difference

A(n) _____ is a closed, conducting path.

• current
• circuit
• resistor
• ampere

_____ is the tendency for a material to oppose the flow of electrons.

• Resistance
• Induction
• Transistance
• Conduction