| A | B |
|---|
| Light bulbs that work by heating a wire until it produces light | Incandescent light bulbs |
| Alphabet with letters that are represented by long and short signals of sound or light | Morse Code |
| First machine to record sound | Phonograph |
| invented the 1st movie camera, phonograph, & light bulb | Thomas Edison |
| 2nd American woman to travel to space; was on the Space Shuttle Challenger when it exploded. | Judith Resnik |
| Approximate number of patents Thomas Edison & his assistants had | 1,000 |
| Used to collect energy from the sun to use on Space Shuttles | Solar Sail |
| Used to keep score at baseball games | Scorecard |
| Harry M Stevens invented this to be sold & eaten at ball games | Hot Dog |
| Charity Adams Earley helped African Americans & women to get more opportunities in this | Military |
| 1st American Astronaut to orbit Earth; went to space at age 77; was a US Senator | John Glenn |
| Garrett Morgan’s 1st invention | Sewing machine needle |
| Invented the gas mask, better traffic signal, & hair straightener | Garret Morgan |
| Inspired many women to become doctors | Elizabeth Blackwell |
| 1st man to walk on the moon | Niel Armstrong |
| State known as the “Mother of Presidents” | Ohio |
| Ohioan who was the 25th President of the U.S. | William McKinley |
| What Niel Armstrong said when he walked on the moon | "One small step for man, one giant leap for mankind" |
| A way to send communication by radio wave; Morse Code was sent with this | telegraph machine |
