Question: You are presented with the quiz "blowing air into a whistle causes a what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "blowing air into a whistle causes air to vibrate inside the whistle" and "pipe organ Vibrating columns of air inside the pipes are the sound source". So, what's the best answer to the question?
OPTIONS:
- rapid blast of heat
- kinetic energy
- little beads
- activation energy
- sound source
- wind speed
- small rattling
- mechanical
Answer: sound source

Question: You are presented with the quiz "What gets most energy from electromagnetic energy?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "most ecosystems get energy from sunlight" and "sunlight is a form of electromagnetic energy". So, what's the best answer to the question?
OPTIONS:
- water
- waves
- rocks
- photons
- Light
- batteries
- rays or beams
- ecosystems
Answer: ecosystems

Question: You are presented with the quiz "Autotrophs make food from what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "producers make food from inorganic molecules" and "autotrophs are referred to as producers". So, what's the best answer to the question?
OPTIONS:
- Converting waste.
- members of their own species
- Chemical energy
- photosynthesis
- that material's properties
- inorganic molecules
- Organic compounds
- Chlorophyll
Answer:
inorganic molecules