What force keeps planets in orbit around the sun?
Gravity
What is the chemical symbol for water?
H2O
What process allows plants to take in carbon dioxide and release oxygen in the presence of sunlight?
Photosynthesis
What does CPU stand for?
Central Processing Unit
On which date is World Science Day for Peace and Development celebrated each year?
November 10th
What is the unit of electrical resistance?
Ohm
What are the three main subatomic particles in an atom?
Protons, neutrons, electrons
What pigment gives plants their green colour and helps them capture sunlight?
Chlorophyll
What number system do computers use?
Binary
Which organization established World Science Day for Peace and Development?
UNESCO
Who is known as the father of modern physics?
Albert Einstein
What type of chemical bond involves the sharing of electrons between atoms?
Covalent Bond
Which system in the body produces hormones?
Endocrine System
What does “USB” stand for?
Full meaning of UNESCO
United Nations Educational, Scientific and Cultural Organization
What is the speed of light in a vacuum (approximate, in m/s)?
3 x 108 m/s
When you mix an acid and a base in a reaction broadly termed as neutralisation, they form what two products?
Water and a salt
Deoxyribonucleic acid
What does HTTP stand for?
HyperText Transfer Protocol
Theme for 2025 World Science Day for Peace and Development?
"Trust, Transformation and Tomorrow: The science we need for 2050"
OR
"Shaping tomorrow through Science"
According to quantum mechanics, what principle states that you cannot simultaneously know a particle’s exact position and momentum?
Heisenberg's Uncertainty Principle
What law states that the total pressure of a gas mixture is equal to the sum of the partial pressures of its components?
Dalton's Law
In eukaryotic cells, what organelle is responsible for breaking down old cell parts, bacteria, and waste material?
Lysosome.
Who is known as the father of computer science?
Alan Turing
In which year was the World Science Day for Peace and Development first celebrated?
2002