What is the chemical symbol for helium?

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

What is the term for the region around a planet where its magnetic field influences charged particles, often creating auroras?

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

Which moon of Saturn is known for its unique two-tone appearance, with one hemisphere being reddish and the other being bright white?

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

What is the term for the process by which ice changes directly into water vapor without melting?

What is the process of a substance changing from a gas to a liquid called?

What is the SI unit of work and energy?

In the periodic table, which group do alkali metals belong to?