The ozone layer is a protective layer in the Earth’s stratosphere that absorbs most of the sun’s harmful ultraviolet (UV) radiation. It’s crucial for life on Earth because it shields the planet from UV rays that can cause skin cancer, cataracts, and harm to ecosystems, particularly marine life and plants.
Contents
- MCQs
- Fill in The Blanks
- 1. The ozone layer helps protect us from the sun’s harmful _______ rays.
- 2. Too much UV radiation can cause _______ cancer.
- 3. The ozone layer acts like a shield, _______ and blocking most of the UV radiation.
- 4. The ozone layer is a layer of gas in the Earth’s _______.
- 5. It is important to protect and preserve the _______ layer.
- True / False
- 1. The ozone layer is located in the Earth’s stratosphere (True / False)
- 2. The ozone layer absorbs harmful ultraviolet (UV) radiation from the sun (True / False)
- 3. Without the ozone layer, harmful UV radiation would reach the Earth’s surface (True / False)
- 4. The ozone layer is not important for protecting life on Earth (True / False)
MCQs
1. Where is the ozone layer located?
A) In the troposphere
B) In the stratosphere
C) On the Earth’s surface
D) In the mesosphere
2. Why is the ozone layer important for life on Earth?
A) It provides oxygen for us to breathe
B) It keeps the Earth warm
C) It protects us from the Sun’s harmful UV rays
D) It produces rain
3. What can happen if the ozone layer is damaged?
A) The Earth could get too hot
B) More UV radiation reaches the Earth’s surface
C) The air will become polluted
D) The oceans will dry up
4. Which of the following human activities have caused damage to the ozone layer?
A) Planting trees
B) Using aerosol sprays
C) Driving electric cars
D) Solar panel installation
Fill in The Blanks
Choose from These Words: ultraviolet, skin, absorbing, ozone.
1. The ozone layer helps protect us from the sun’s harmful _______ rays.
2. Too much UV radiation can cause _______ cancer.
3. The ozone layer acts like a shield, _______ and blocking most of the UV radiation.
4. The ozone layer is a layer of gas in the Earth’s _______.
5. It is important to protect and preserve the _______ layer.
True / False
1. The ozone layer is located in the Earth’s stratosphere (True / False)
2. The ozone layer absorbs harmful ultraviolet (UV) radiation from the sun (True / False)
3. Without the ozone layer, harmful UV radiation would reach the Earth’s surface (True / False)
4. The ozone layer is not important for protecting life on Earth (True / False)
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