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Proofs of Earth's Spherical Shape

Proofs of Earth's Spherical Shape

This quiz is about the experiments and observations that demonstrate the Earth's curvature, including the Bedford level experiment and the visibility of the Pole star. Understand the evidence that supports the spherical shape of our planet. Test your knowledge and see how well you can explain these phenomena!

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Proofs of Earth's Spherical Shape

Quiz • 30 Questions

Proofs of Earth's Spherical Shape - Flashcards

Flashcards • 30 Cards

Study Notes

2 min • Summary

Proofs of Earth's Spherical Shape - Podcast

Podcast

Materials

List of Questions30 questions
  1. Question 1
    • Because of the difference in altitude of various locations
    • Because the Earth rotates from west to east
    • Because of the centrifugal force of the Earth's rotation
    • Because the Earth is stationary and the Sun moves around it
  2. Question 2
    • A irregular polygon
    • An oblate spheroid
    • A flat disc
    • A perfect sphere
  3. Question 3
    • The signal is scattered by the Earth's rotation
    • The signal is blocked by the atmosphere
    • The signal is absorbed by the Earth's surface
    • The Earth's curvature causes the signal to bend away
  4. Question 4
    • Because the Earth is stationary and the Sun moves around it
    • Because the Earth is moving towards the east
    • Because the Sun is moving towards the west
    • Because the Earth rotates from west to east
  5. Question 5
    • 42 km
    • 42 km
    • 100 km
    • 12 km
  6. Question 6
    • The Earth's rotation at a great speed
    • The Earth's atmosphere
    • The Earth's gravity pulling towards the center
    • The Earth's magnetic field
  7. Question 7
    • The biosphere provides a cooling effect
    • Water bodies rapidly absorb enormous amounts of heat
    • The earth's solid crust absorbs heat
    • The atmosphere releases heat absorbed during the night
  8. Question 8
    • The Earth is flat
    • The Earth is rectangular in shape
    • The Earth is oval in shape
    • The Earth is spherical in shape
  9. Question 9
    • 50%
    • 95%
    • 90%
    • 78%
  10. Question 10
    • Through roots that absorb nitrogen directly
    • Through the process of photosynthesis
    • By releasing oxygen into the soil
    • In the form of nitrates
  11. Question 11
    • To provide nutrients necessary for plant growth
    • To absorb heat from the atmosphere
    • To provide habitats for species
    • To regulate the earth's temperature
  12. Question 12
    • 0°
    • 90°
    • 67.5°N
    • 45°N
  13. Question 13
    • 5 km
    • 15 km
    • 20 km
    • 10 km
  14. Question 14
    • Rectangular
    • Oval
    • Triangular
    • Circular
  15. Question 15
    • To release energy and build new molecules
    • To release carbon dioxide into the atmosphere
    • To build new molecules in their bodies
    • To release energy from the food they eat
  16. Question 16
    • Through the process of respiration
    • During photosynthesis by green plants
    • Through the process of decomposition
    • Through the process of combustion
  17. Question 17
    • The earth's surface would be cooler at night
    • There would be greater day and night temperature variations
    • The atmosphere would release more heat
    • The earth's surface would be warmer during the day
  18. Question 18
    • It becomes smaller
    • It remains the same
    • It becomes triangular
    • It widens
  19. Question 19
    • Water bodies
    • Lithosphere
    • Biosphere
    • Atmosphere
  20. Question 20
    • Greenhouse Effect
    • Atmosphere Photosynthesis
    • Nitrogen Cycle
    • Oxygen Cycle
  21. Question 21
    • The Earth is rotating
    • The Earth is flat
    • The Pole Star is moving
    • The Earth is spherical in shape
  22. Question 22
    • Triangular
    • Oval
    • Circular
    • Rectangular
  23. Question 23
    • Only light and heat
    • Light, heat, water, food, and habitats
    • Only water and food
    • Only soil and nutrients
  24. Question 24
    • To produce oxygen in the atmosphere
    • To facilitate the decomposition of organic matter
    • To regulate the Earth's temperature
    • To maintain carbon balance in nature
  25. Question 25
    • Circumnavigation
    • Photosynthesis
    • Decomposition
    • Respiration
  26. Question 26
    • Photosynthesis
    • Decomposition
    • Fermentation
    • Respiration
  27. Question 27
    • It is stored in the soil
    • It is decomposed and absorbed by saprophytic bacteria and fungi
    • It is released into the atmosphere as CO2
    • It is converted into fossil fuels
  28. Question 28
    • Saprophytic bacteria and fungi
    • Green plants through photosynthesis
    • Atmospheric oxygen
    • Plant and animal decomposition
  29. Question 29
    • The formation of fossil fuels
    • Global Warming
    • The increase of carbon dioxide in the oceans
    • The decrease of oxygen levels in the atmosphere
  30. Question 30
    • Fermentation
    • Respiration
    • Decomposition
    • Photosynthesis
List of Flashcards30 flashcards
  1. Card 1
    HintThink about the direction the Earth spins.Memory TipEast gets the sun 'earlier'.
  2. Card 2
    HintNot a perfect sphere.Memory TipThink of an 'oblate' orange.
  3. Card 3
    HintWhy can't you see forever?Memory TipEarth is not flat!
  4. Card 4
    HintDirection of Earth's spin.Memory TipEast is 'early', west is 'later'.
  5. Card 5
    HintBulge size.Memory TipThink '42' is a small difference.
  6. Card 6
    HintSpinning effect.Memory TipA spinning top bulges out.
  7. Card 7
    HintThink oceans and lakes.Memory TipWater acts like a 'heat sponge'.
  8. Card 8
    HintRelated to curvature.Memory TipProves not flat.
  9. Card 9
    HintMost abundant gas.Memory Tip'78' is high.
  10. Card 10
    HintSoil compounds.Memory TipNitrates are plant food.
  11. Card 11
    HintPlants need it to growMemory TipSoil is food.
  12. Card 12
    HintStar's position when you're far away.Memory TipEquator is level 'zero'.
  13. Card 13
    HintLife-supporting layer.Memory TipLife layer is thin.
  14. Card 14
    HintShape projected on the Moon.Memory TipRound shade, round Earth.
  15. Card 15
    HintCellular processes.Memory TipOxygen is fuel.
  16. Card 16
    HintPlants make it.Memory TipPlants breathe out oxygen.
  17. Card 17
    HintWater's moderating effect.Memory TipLess water, more extreme temps.
  18. Card 18
    HintSeeing further up high.Memory TipHigher view, wider view.
  19. Card 19
    HintOceans, lakes.Memory TipWater as a temp regulator
  20. Card 20
    HintGases in the atmosphere.Memory TipLike a glass roof trapping heat.
  21. Card 21
    HintEarth's overall form.Memory TipCurved Earth, angled star.
  22. Card 22
    HintAs seen from above.Memory TipRound from space.
  23. Card 23
    HintThings all life needsMemory TipBiosphere= Life support
  24. Card 24
    HintKeeping carbon levels stable.Memory TipCycle balances the Earth.
  25. Card 25
    HintUses sunlight.Memory TipPhoto = light
  26. Card 26
    HintPlants creating food.Memory TipPlants eat CO2.
  27. Card 27
    HintDecomposition process.Memory TipReturns to nature.
  28. Card 28
    HintAncient plant life.Memory TipPlants --> fuel.
  29. Card 29
    HintTrapped heat.Memory TipToo much carbon is too much heat
  30. Card 30
    HintThink bread-makingMemory TipFermentation is not related to carbon cycle

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