HARD Science Quiz

HARD Science Quiz

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0 / 10 answered

Question 1 of 10

What is the hardest natural substance on Earth?

Question 2 of 10

Which element has the chemical symbol 'Fe'?

Question 3 of 10

Which scientist developed the theory of general relativity?

Question 4 of 10

What gas do plants release as a byproduct of photosynthesis?

Question 5 of 10

What part of the brain controls balance and coordination?

Question 6 of 10

What is the second planet from the Sun?

Question 7 of 10

What is the pH value of pure water at room temperature?

Question 8 of 10

Which particle has a negative electric charge?

Question 9 of 10

Which planet is known for having the most moons?

Question 10 of 10

What is the powerhouse of the cell?

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