*Question*
Q: What is the common name for a simple harmonic oscillator, which basically consists of a small object suspended on a wire or string? Choices: - yo-yo - metronome - pendant - pendulum A:
**Answer**
pendulum

*Question*
Q: What is a device that changes kinetic energy to electrical energy through electromagnetic induction? Choices: - a battery - a windmill - a diesel engine - an electric generator A:
**Answer**
an electric generator

*Question*
Q: Most of the pathogens that cause stis enter the body through mucous membranes of which organs? Choices: - eyes - kidneys - stomach - reproductive organs A:
**Answer**
reproductive organs

*Question*
Q: What affects how high a cake rises when it bakes? Choices: - air currents - air movement - current pressure - air pressure A:
**Answer**
air pressure