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15 Science Questions
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Question 1 of 15
What is the chemical symbol for potassium?
P
K
Po
Pt
Question 2 of 15
Which planet is known as the “Red Planet”?
Mercury
Venus
Mars
Jupiter
Question 3 of 15
What is the SI unit of electric current?
Volt
Ampere
Watt
Ohm
Question 4 of 15
What gas do plants absorb during photosynthesis?
Carbon dioxide
Helium
Nitrogen
Oxygen
Question 5 of 15
Which organelle is known as the powerhouse of the cell?
Nucleus
Mitochondria
Ribosome
Chloroplast
Question 6 of 15
What type of energy is stored in a stretched rubber band?
Kinetic energy
Potential energy
Thermal energy
Nuclear energy
Question 7 of 15
What is the chemical formula for table salt?
KCl
NaCl
H2O
CO2
Question 8 of 15
Which scientist proposed the theory of general relativity?
Galileo Galilei
Isaac Newton
Albert Einstein
Niels Bohr
Question 9 of 15
What is the boiling point of water at sea level in Celsius?
100
80
110
90
Question 10 of 15
What type of blood cells fight infections?
Plasma
Platelets
Red blood cells
White blood cells
Question 11 of 15
What is the most abundant gas in Earth’s atmosphere?
Oxygen
Argon
Carbon dioxide
Nitrogen
Question 12 of 15
What is the hardest natural substance on Earth?
Granite
Obsidian
Diamond
Quartz
Question 13 of 15
What type of celestial body is our Sun?
Star
Comet
Asteroid
Planet
Question 14 of 15
What is the process by which liquid turns into gas?
Evaporation
Freezing
Sublimation
Condensation
Question 15 of 15
What is the atomic number of oxygen?
8
6
12
10
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