Q: What is the main component of milk? Choices: - fat - lactose - proteins - water A:
water

Q: The wave on a guitar string is transverse. the sound wave rattles a sheet of paper in a direction that shows the sound wave is what? Choices: - obtuse - lateral - magnetic - longitudinal A:
longitudinal

Q: Q: Metallic bonds allow metals to do what, in the manner of a willow tree? Choices: - break easily - stand tall - grow - bend without breaking A:
A: bend without breaking

Question: Q: What is a form of mechanical energy that starts with a vibration in matter? Choices: - solar energy - electrical energy - industrial energy - sound energy A:
Answer: sound energy

*Question*
Q: What layer is above the mesosphere? Choices: - exosphere - stratosphere - ionosphere - thermosphere A:
**Answer**
thermosphere

Q: What quality of sound makes a tuba and a piccolo very different to a listener? Choices: - wavelength - tune - curve - pitch A:
pitch