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Tides and Astronomy
Earth's Place in the Universe
| Question | Answer |
|---|---|
| Rise and Fall of the surface levels of Earth's Oceans | Tides |
| What causes tides? | The gravitational pulls of the moon and sun. |
| The highest water along the shore line. The moon is closest to this side of the planet | High Tide |
| The lowest water along the shore line. The Moon is farthest to this side of the planet | Low Tide |
| Every location has 2 low tides and 2 high tides every how many hours. | 24 hours |
| Tides with the greatest difference between high and low tides. | Spring tides |
| Tides with the least difference between high and low tides. | Neap Tides |
| The study of objects in space. | Astronomy |
| A scientist who studies astronomy. | Astronomer |
| Device for observing very distant objects. | Telescope |
| A type of telescope that uses convex lenses to bend and focus light rays to produce images of objects in space. | Refractor Telescope |
| A type of telescope that uses mirrors to focus light rays to produce images of objects in space. | Reflector Telescope |
| Telescope that uses radio waves to produce an image of objects in space. | Radio Telescope |
| A natural or artificial object that revolves around another object in space, | Satellite |
| Telescopes or other instruments that have been launched into space to collect data with out the interference from Earth's Atmosphere. | Space Observatories |
| Spacecrafts that contain instruments but not a human crew. They travel too far for it to be safe for humans. | Space Probes |
| A device that collects light from distant stars and separates it into different colors. The colors tell us the size, type, and age of the star. | Spectroscope |