 |  Earth as a Planet 20 Flashcards |  Start |
 | What shape is Earth classified as? |  Card: 1 / 20 |
| Oblate spheroid | Card: 2 / 20 |
| Which philosopher first attempted to measure Earth's circumference? | Card: 3 / 20 |
| Eratosthenes | Card: 4 / 20 |
| Riddle: I can be seen during a lunar eclipse, casting a shadow on the Moon. What am I? | Card: 5 / 20 |
| Earth | Card: 6 / 20 |
| True or False: The Moon is Earth's only natural satellite. | Card: 7 / 20 |
| True | Card: 8 / 20 |
| The horizon appears circular due to the ______ shape of Earth. | Card: 9 / 20 |
| Spherical | Card: 10 / 20 |
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| Which experiment involved three poles placed 5 km apart to demonstrate Earth's curvature? | Card: 11 / 20 |
| Bedford Level Experiment | Card: 12 / 20 |
| Different star constellations are visible as one moves ______ from the Equator. | Card: 13 / 20 |
| North or south | Card: 14 / 20 |
| What is the average distance of Earth from the Sun? | Card: 15 / 20 |
| 150 million km | Card: 16 / 20 |
| Which gas in Earth's atmosphere absorbs harmful ultraviolet rays? | Card: 17 / 20 |
| Ozone | Card: 18 / 20 |
| True or False: Earth is the largest planet in the Solar System. | Card: 19 / 20 |
| False. Earth is the fifth largest planet in the Solar System. | Card: 20 / 20 |
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