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15 Science Questions

Question 1 of 15

What is the chemical symbol for potassium?

Question 2 of 15

Which planet is known as the “Red Planet”?

Question 3 of 15

What is the SI unit of electric current?

Question 4 of 15

What gas do plants absorb during photosynthesis?

Question 5 of 15

Which organelle is known as the powerhouse of the cell?

Question 6 of 15

What type of energy is stored in a stretched rubber band?

Question 7 of 15

What is the chemical formula for table salt?

Question 8 of 15

Which scientist proposed the theory of general relativity?

Question 9 of 15

What is the boiling point of water at sea level in Celsius?

Question 10 of 15

What type of blood cells fight infections?

Question 11 of 15

What is the most abundant gas in Earth’s atmosphere?

Question 12 of 15

What is the hardest natural substance on Earth?

Question 13 of 15

What type of celestial body is our Sun?

Question 14 of 15

What is the process by which liquid turns into gas?

Question 15 of 15

What is the atomic number of oxygen?