القائمة الرئيسية

Comprehensive Digital Assessment 1 (Standardized)

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

23 مشاهدة آخر تحديث: 18 أكتوبر 2026
Comprehensive Digital Assessment 1 (Standardized)
Prep 2 - Science Unit 2: The Atmosphere and Protecting Planet Earth

Comprehensive Digital Assessment 1 (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
Standard atmospheric pressure at sea level is equal to:
Question 2 of 20 1 Mark
A metallic barometer used to forecast probable daily weather directly is the:
Question 3 of 20 1 Mark
The troposphere contains approximately _____ of total atmospheric mass:
Question 4 of 20 1 Mark
In the troposphere, temperature drops with altitude at a constant rate of:
Question 5 of 20 1 Mark
The protective ozone layer is situated inside the:
Question 6 of 20 1 Mark
The coldest layer in the atmosphere, dropping to -90 °C at its upper boundary, is the:
Question 7 of 20 1 Mark
Celestial space rock fragments burn to form visible glowing meteors inside the:
Question 8 of 20 1 Mark
Which atmospheric layer reflects high-frequency radio waves for global telecommunications?
Question 9 of 20 1 Mark
The Van Allen radiation belts deflect charged cosmic rays, producing the:
Question 10 of 20 1 Mark
Communication satellites orbit Earth inside the:
Question 11 of 20 1 Mark
An ozone molecule is composed of three atoms of:
Question 12 of 20 1 Mark
Normal baseline ozone concentration at STP corresponds to:
Question 13 of 20 1 Mark
The ultraviolet radiation band completely absorbed (100%) by the ozone layer is:
Question 14 of 20 1 Mark
Halon chemical compounds are primarily utilized in:
Question 15 of 20 1 Mark
The agricultural pesticide used to fumigate stored grain in crop silos is:
Question 16 of 20 1 Mark
Nitrogen oxides damaging the ozone layer are emitted from the exhaust of:
Question 17 of 20 1 Mark
All of the following gases are classified as greenhouse gases EXCEPT:
Question 18 of 20 1 Mark
Infrared radiation is trapped inside the troposphere because of its:
Question 19 of 20 1 Mark
The historic international treaty signed in 1987 in Canada to protect the ozone layer is the:
Question 20 of 20 1 Mark
If the temperature at the base of a mountain is 27 °C and at its summit is 14 °C, what is the height of the mountain?

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