9 Questions
Which gas makes up the majority of Earth's atmosphere?
Nitrogen
What causes the blue color of the sky during the day?
Scattering of sunlight by the atmosphere
What is the layer of the Earth's atmosphere where weather occurs?
Troposphere
What is the primary ingredient in concrete?
Cement
What is the process called when concrete hardens and becomes durable?
Hydration
What is the purpose of adding aggregates to concrete?
To improve the durability
What is the typical ratio of water to cement in concrete?
3:1
What is the purpose of curing concrete?
To make it more durable
What is the most common type of reinforcement used in concrete construction?
Steel bars
Test your knowledge of the sky with our fun quiz! From the gases that make up Earth's atmosphere to the science behind the blue color of the sky, this quiz will challenge your understanding of our atmosphere. Discover the layer where weather occurs and learn something new about the sky above us. Play now and see how much you know!
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