SOF National Science Olympiad (NSO/ISO)
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NSO Level 1
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Sample
Which type of rock forms from cooled molten material?
Explanation
Explanation
Option B is correct
PRO TIP
Re-check your working by substituting the answer back into the original question.
Related Questions
The table shows four species:
W: 6 protons, 6 neutrons
X: 7 protons, 7 neutrons
Y: 6 protons, 8 neutrons
Z: 8 protons, 8 neutrons
Which two species are isotopes of the same element?
An astronaut has a mass of 60 kg on Earth. The gravity on the Moon is one-sixth of that on Earth. Taking g = 10 m/s² on Earth, what are the astronaut's mass and weight on the Moon?