Q: What crust is thinner and denser than continental crust? Choices: - land - coastal - asteroid - oceanic A:
oceanic

Q: The large hadron collider is the biggest type of what invention, which boosts particles to high energies? Choices: - electron microscope - mass spectrometer - nuclear reactor - particle accelerator A:
particle accelerator

Q: Q: What is the clear, curved structure that works with the cornea to help focus light at the back of the eye? Choices: - pupil - retina - iris - lens A:
A: lens

Question: Q: Stoichiometric coefficients are used in chemical equations to indicate the amounts of reactants and what? Choices: - imports - fuels - consumers - products A:
Answer: products

*Question*
Q: How high or low a sound seems is associated with what property of the sound? Choices: - decibel - frequency - wavelength - pitch A:
**Answer**
pitch

*Question*
Q: What is the main type of cell in the nervous system called? Choices: - sensory - conduction - axon - neuron A:
**Answer**
neuron