democracy
A government where people vote to make choices
In a democracy, citizens vote to elect their leaders every few years.
telegraph
An old machine sending messages over wires
Before phones, people used a telegraph to send messages across the country.
chronology
The order in which events happened over time
The timeline showed the chronology of important battles during the war.
benefactor
A person who helps others with money or kindness
A generous benefactor donated money to build the new school library.
hydrate
To add water or drink enough liquid
Athletes must hydrate often so they don't feel dizzy during games.
biography
A story of someone's life written by another
She read a biography about the astronaut who first walked on the moon.
geology
The study of rocks and the earth's layers
In geology class, we learned how mountains form over millions of years.
transport
To carry something from one place to another
Large trucks transport fresh vegetables from farms to city grocery stores.
spectator
A person who watches an event or game
Every spectator cheered loudly when the runner crossed the finish line.
audible
Loud enough to be clearly heard
Her whisper was barely audible over the noise of the crowd.
manuscript
An author's written or typed work before it is printed as a book
The author mailed her finished manuscript to the publishing company yesterday.
thermometer
A tool measuring how hot or cold something is
The nurse used a thermometer to check if I had a fever.
portable
Easy to carry or move around
We brought a portable speaker to play music at the beach.
visible
Able to be seen with your eyes
The bright comet was visible in the night sky for weeks.
microscope
A tool that makes tiny things look bigger
Under the microscope, we saw tiny cells wiggling around in the water.
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