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