SuperQuiz / Haan Ya Na / General Science
General Science true or false
Bones, planets, chemistry and the science behind everyday things.
108 questionsHaan (true) or Na (false)Fact-checked Nov 2026
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Sound travels faster through water than air.
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Haan: true
Almost 4.3 times as fast.
The higher the pH level of a substance, the more acidic it is.
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Na: false
A pH of 7 is neutral. Lower than that is acidic, and higher than that is basic.
Our fingernails are made of enamel.
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Na: false
They are composed largely of keratin, a hardened protein. It is also the key component in skin and hair.
Water consists of two parts oxygen and one part hydrogen.
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Na: false
It consists of two parts hydrogen and one part oxygen.
Before it has erupted, molten underground rock is called Lava.
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Na: false
It is called Magma. It becomes Lava after eruption.
Celsius is the SI unit of temperature.
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Na: false
The SI unit is Kelvin.
Femur is the longest bone in the human body.
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Haan: true
It is not only the longest bone, but also the strongest.
The orbits of the planets take an elliptical shape.
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Haan: true
This means there is one point in the orbit where the Earth is closest to the Sun, and another where it is farthest.
Cytoplasm is found inside cells.
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Haan: true
Cytoplasm is a thick solution that fills each cell and is enclosed by the cell membrane.
Protons do not have a charge.
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Na: false
They are positively charged. The neutron has no charge.
Pure gold is 1-karat.
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Na: false
It is 24-karat.
Chemicals secreted by glands are called vitamins.
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Na: false
They are called hormones.
Uranus is the second largest planet in our solar system.
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Na: false
It is Saturn.
When light bends upon entering a different medium, the process is known as reflection.
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Na: false
The process is refraction.
The greenhouse layer filters out the Sun's harmful ultraviolet radiation.
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Na: false
The ozone layer does that.
Proxima Centauri is the closest star to the Earth.
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Na: false
The Sun is the closest star. Proxima Centauri is the second closest, at about 4.24 light years away.
Cheetah is the fastest land animal in the world.
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Haan: true
Cheetahs have a speed between 109.4 km/h and 120.7 km/h.
It was Pavlov's dog who helped him describe the psychological concept of conditioning.
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Haan: true
And he just did what all dogs do: salivate in response to food.
A chimpanzee is a monkey.
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Na: false
Chimpanzees are apes. In genetic terms, apes are much closer to humans than monkeys are.
In nuclear physics, fusion is the opposite of fission.
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Haan: true
Nuclear fission is essentially the splitting of the atom.
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