| A | B |
|---|
| What have electric charges that can produce forces of attraction or repulsion between matter? | protons and electrons |
| What repel each other? | like charges |
| What attracts each other? | unlike charges |
| What is an electric field? | region around charged particles |
| What is static electricity? | the buildup of charges |
| What causes electric charge? | friction, conduction, or induction |
| What do electrons flow easily through? | conductors |
| What don't electrons flow easily through? | insulators |
| What is a closed continuous path that current flows through called? | a circuit |
| What is voltage? | the amount of energy available to move charges |
| What is the force opposing the flow of electrons? | resistance |
| What law states that current equals voltage divided by resistance? | Ohm's |
| What is a resistor? | a device that uses electric energy to do work |
| What is a series circuit? | it has only one path for current |
| What is a parallel circuit? | it has more than one path for current |
| What equals voltage multiplied by current? | electric power |
| What do fuses and circuit breakers do? | protect circuits from overloading |
| What is another name for a battery? | electrochemical cell |
| What does an electrochemical cell do? | changes chemical energy into electric energy |
