| A | B |
|---|
| Seismograph | Instrument used to measure earthquakes |
| Alvin | A bathyscaph that went deep into the ocean |
| Bathyscaph | a self-propelled submarine that goes deep in the ocean |
| Bathysphere | A submarine that is attached to a ship |
| Microscopes | Instruments that produce larger-then-life images, picture,or even videotapes |
| Lens | a curved piece of glass |
| Leeuwenhoek | ' animalcules' |
| X-rays | a type of radiation that lets you see through things |
| radio telescopes | pick up radio waves in space |
| Refracting telescopes | a series of lenses is used to focus light |
| Reflecting telescopes | a series of mirrors is used to focus light on distant objects |
| MRI | a tool that lets scientists see inside objects |
| compound light microscopes | a microscope that has more then one lens |
| ocular lens | eyepiece |
| magnifying glass | uses a single lens |
| optical telescopes | detect visible light |
| infrared telescopes | detect heat waves |
| Ultraviolet telescopes | detect ultraviolet waves |
| X-ray telescopes | detect invisible x-rays |
| barometer | measures air presure |
