The Ultimate Science Challenge
Educational quiz · FeexHub Editors
Question 1 / 10
What is the chemical symbol for water?
Water consists of two hydrogen atoms bonded to one oxygen atom.
Question 2 / 10
Which organelle is known as the powerhouse of the cell?
Mitochondria generate ATP through cellular respiration.
Question 3 / 10
Speed of light in vacuum is approximately?
Light travels about 299,792 km/s in vacuum.
Question 4 / 10
Which gas do plants absorb for photosynthesis?
Plants use CO2 and sunlight to produce glucose and oxygen.
Question 5 / 10
Newton's first law relates to what property?
An object in motion stays in motion unless acted upon by a force.
Question 6 / 10
Which particle has a negative charge?
Electrons orbit the atomic nucleus.
Question 7 / 10
DNA carries genetic instructions in living organisms.
Question 8 / 10
Which planet has the most prominent rings?
Saturn's rings are mostly ice particles.
Question 9 / 10
Absolute zero is at what Celsius temperature?
Absolute zero is 0 Kelvin ≈ -273.15°C.
Question 10 / 10
Which force keeps planets in orbit around the Sun?
Gravity is the mutual attraction between masses.
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NASA Science publishes accessible explainers on physics and Earth systems.
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