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Gadget Savvy: Batteries Quiz
by Staff
You can find batteries under the hood of your car, inside a TV remote -- even within hearing aids. Batteries were invented nearly two centuries ago, and they keep getting more sophisticated. But how well do you know what's at work inside these cans of chemicals?

At its most basic level, a battery is a can full of chemicals that produces ____.

  • protons
  • neutrons
  • electrons

The areas of a battery that are marked positive (+) and negative (-) are called:

  • reactors
  • terminals
  • poles

In which direction must electrons within a battery flow for a chemical reaction to take place?

  • positive to negative
  • negative to positive
  • either direction

In 1800, Alessandro Volta made the first battery by layering plates of silver and zinc with blotting paper that had been soaked in salt water. What was this primitive battery called?

  • voltaic pile
  • voltube
  • Volta stack

Which of the following names is not used interchangeably with Daniel cell, the 17th-century battery commonly used in telegraphs and doorbells?

  • gravity cell
  • wet cell
  • charged cell

What kind of battery has a reversible reaction?

  • zinc-carbon
  • lead-acid
  • lithium-iodide

What type of battery contains zinc and manganese-oxide electrodes with an alkaline electrolyte?

  • alkaline
  • lithium-ion
  • zinc-mercury oxide

When was the prototype for the rechargeable battery invented?

  • 1795
  • 1901
  • 1859

Nickel-cadium batteries can malfunction when they're overcharged -- that is, recharged before they've had a chance to discharge more than 50 percent of their power. What's this common problem called?

  • charge maximization
  • memory effect
  • surplus condition

Which of the following is not a type of battery arrangement?

  • circuit
  • parallel
  • serial