Earth’s Energy Balance
Geography ⇒ Physical Geography
Earth’s Energy Balance starts at 9 and continues till grade 12.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Earth’s Energy Balance.
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See sample questions for grade 11
A city experiences an increase in cloud cover. How will this affect the city’s temperature during the night?
Define albedo.
Describe the process of convection in the context of Earth’s energy balance.
Describe the process of terrestrial radiation.
Describe the role of oceans in Earth’s energy balance.
Explain how clouds influence the Earth’s energy balance.
Explain the effect of deforestation on Earth’s energy balance.
A city experiences an increase in cloud cover. How will this affect the city’s temperature during the night?
What is the approximate value of the solar constant? (1) 1361 W/m² (2) 1000 W/m² (3) 500 W/m² (4) 2000 W/m²
What percentage of incoming solar radiation is absorbed by the Earth’s surface? (1) About 10% (2) About 23% (3) About 51% (4) About 70%
Which of the following best describes the greenhouse effect? (1) Reflection of sunlight by the atmosphere (2) Absorption and re-emission of infrared radiation by atmospheric gases (3) Direct heating of the Earth by the Sun (4) Cooling of the Earth by outgoing radiation
Which of the following gases is NOT a greenhouse gas? (1) Carbon dioxide (2) Methane (3) Nitrogen (4) Water vapour
Fill in the blank: The energy emitted by the Earth is mainly in the __________ part of the electromagnetic spectrum.
Fill in the blank: The energy received from the Sun at the top of the atmosphere per unit area is called the __________ constant.
Fill in the blank: The fraction of solar energy reflected by a surface is known as its __________.
Fill in the blank: The process by which energy is transferred from the Earth’s surface to the atmosphere by direct contact is called __________.
True or False: Clouds can both reflect and absorb solar radiation.
True or False: The Earth emits energy in the form of shortwave radiation.
True or False: The Earth’s atmosphere is completely transparent to all wavelengths of solar radiation.
True or False: The Earth’s energy balance can be affected by volcanic eruptions.
