flew an airplane and disappeared
Amelia Earhart
How our televisions, lights, refrigerators, and computers work
electricity
The study of the past
History
Before there were refrigerators, how did people store their food to keep it cold?
putting it on ice.
Need or Want
tickets to a sporting event
Want
Started the first library
Benjamin Franklin
A way for people to travel. It uses rails and long connected cars
railroad
The study of how people make choices about using money.
Economics
Before their were automobiles, how did people get from 1 place to another?
Horses and carriages
Something you buy are called what?
goods
First president of the United States
George Washington
A way people can communicate from far away
telephone
What we have to have to survive are called
needs
Before television, how were people entertained?
radio
Something someone does for you is called what?
Service
Invented the light bulb
Thomas Edison
What we would like to have are called
wants
Before electricity, how did people have light in their homes?
candles
The amount available of something is called what?
supply
Rode a horse through the streets of Boston and Lexington warning people that the British were coming.
Paul Revere
a way of sending coded messages over wires
telegraph
3 basic things we need to survive.
Food, clothing, shelter
Before there were telephones, how did people communicate from far away?
letters, telegrams
how many people want something is called what?
demand