القائمة الرئيسية

Comprehensive Digital Assessment 2 (Standardized)

Comprehensive Digital Assessment (20 questions across 4 rounds) - Unit 2: The Atmosphere and Protecting Planet Earth

29 مشاهدة آخر تحديث: 18 أكتوبر 2026
Comprehensive Digital Assessment 2 (Standardized)
Prep 2 - Science Unit 2: The Atmosphere and Protecting Planet Earth

Comprehensive Digital Assessment 2 (Standardized)

Comprehensive Digital Assessment (20 questions across 4 rounds) - Unit 2: The Atmosphere and Protecting Planet Earth

Milestone 1 of 4 Round 1: Launch Questions (1 - 5)
Question 1 of 20 1 Mark
Isobar lines on meteorological weather maps connect geographic points of:
Question 2 of 20 1 Mark
Atmospheric pressure decreases with increasing elevation above sea level because:
Question 3 of 20 1 Mark
The lower portion of the stratosphere is ideal for commercial passenger planes because:
Question 4 of 20 1 Mark
The boundary layer where temperature stabilizes at 0 °C between stratosphere and mesosphere is the:
Question 5 of 20 1 Mark
The hottest atmospheric layer, reaching temperatures of 1200 °C, is the:
Question 6 of 20 1 Mark
Radio communication signals bounce back toward Earth off the electrified ions of the:
Question 7 of 20 1 Mark
Under Standard Temperature and Pressure (STP), the ozone layer would compress to a thickness of:
Question 8 of 20 1 Mark
What percentage of Near Ultraviolet radiation (315 - 400 nm) beneficial for vitamin D penetrates to Earth?
Question 9 of 20 1 Mark
The ozone hole over the South Pole expands most noticeably each year during:
Question 10 of 20 1 Mark
CFC compounds (freons) are utilized in all the following applications EXCEPT:
Question 11 of 20 1 Mark
Which animal is critically endangered due to melting polar ice caused by global warming?
Question 12 of 20 1 Mark
A documented extreme meteorological consequence of global warming is the occurrence of:
Question 13 of 20 1 Mark
The gas produced by anaerobic decomposition of organic matter in wetlands and landfill sites is:
Question 14 of 20 1 Mark
If the measured ozone level in an Antarctic area is 150 DU, the percentage of ozone depletion is:
Question 15 of 20 1 Mark
The navigation instrument in airplanes determining flight altitude from atmospheric pressure is the:
Question 16 of 20 1 Mark
The chemical bond broken in an oxygen molecule (O2) upon absorbing UV radiation is a:
Question 17 of 20 1 Mark
Which energy source is a clean, renewable resource that emits zero greenhouse gases?
Question 18 of 20 1 Mark
If a mountain is 4 km high and the base temperature is 24 °C, what is the temperature at its summit?
Question 19 of 20 1 Mark
The troposphere holds about _____ of all atmospheric water vapor that regulates Earth's climate:
Question 20 of 20 1 Mark
What is the primary ecological goal of urban tree-planting initiatives?

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