Science: Basics
Test your knowledge of fundamental science concepts including biology, chemistry, and physics.
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Questions Preview
What is the chemical symbol for water?
Explanation:
Water is composed of two hydrogen atoms and one oxygen atom, hence H2O.
What is the largest organ in the human body?
Explanation:
The skin is the largest organ, covering the entire external surface of the body.
What force keeps us on the ground?
Explanation:
Gravity is the force that attracts objects toward the center of the Earth.
How many planets are in our solar system?
Explanation:
There are 8 planets in our solar system (Pluto is now classified as a dwarf planet).
What gas do plants absorb from the atmosphere?
Explanation:
Plants absorb carbon dioxide (CO2) during photosynthesis and release oxygen.