| A | B |
|---|
| telescope | tool for seeing far away |
| telephone | tool for hearing across distance |
| telegraph | a machine for sending messages across distance |
| telegram | message sent by telegraph |
| microscope | tool to look at tiny things |
| microwave | uses tiny waves of light to cook |
| microbe | tiny germ or bacteria like creature |
| microscopic | so tiny you need a special tool to see it |
| submarine | boat that goes under the water |
| subaquatic | under the surface of the water |
| submerge | cover with water; push under liquid |
| subterranean | underground; buried |
| subway | a train that travels underground |
