🔬 Science Trivia
Quiz Set 9 — Astronomy
Answer all 10 questions. Click an option to see if you got it right!
Question 1 of 10
What is the function of the cerebellum?
The cerebellum coordinates voluntary movements and maintains balance.
Question 2 of 10
What is the name for a substance that speeds up a chemical reaction without being consumed?
A catalyst increases reaction rate without being permanently changed itself.
Question 3 of 10
What type of radiation has the greatest penetrating power?
Gamma rays are high-energy electromagnetic radiation with the greatest penetrating power.
Question 4 of 10
How many degrees are in a full circle?
A full rotation is 360 degrees.
Question 5 of 10
What is the largest cell in the human body?
The human egg cell (ovum) is the largest cell, visible to the naked eye at ~0.1 mm.
Question 6 of 10
What is the chemical symbol for silver?
Silver's symbol Ag comes from the Latin 'argentum'.
Question 7 of 10
Which planet has rings visible from Earth with binoculars?
Saturn's rings are visible with modest optical aids and span up to 282,000 km.
Question 8 of 10
What is the role of the ozone layer?
The ozone layer absorbs most of the Sun's harmful ultraviolet B radiation.
Question 9 of 10
What happens to water density when it freezes?
Ice is less dense than liquid water, which is why ice floats — a unique property.
Question 10 of 10
What is the name for the boundary between tectonic plates?
Fault lines are fractures between tectonic plates where earthquakes often occur.
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