What is the SI unit of resistance in an electrical circuit?

What is the term for the process by which rocks are broken down into smaller particles through the action of wind, water, or ice?

What is the term for the outermost layer of a star's atmosphere, visible during a total solar eclipse as a halo of light?

What is the process by which a star, much larger than our Sun, ends its life in a massive explosion?

What type of mountain is formed by the folding and uplift of rock layers along tectonic plate boundaries?

In the periodic table, which group do the noble gases belong to?

Which space mission successfully landed the first humans on the Moon in 1969?

What law of physics describes the relationship between an object's mass, gravitational force, and its acceleration?

Which color of light is refracted the most when passing through a prism?

What is the principle behind the functioning of a magnifying glass?