*Question*
If blowing into a whistle causes sound, then what does blowing into a whistle do? Answer choices: - makes a sight - makes sound - causes disruption - duplicate itself - unidirectional - decrease stamina - makes hearing - to move people
**Answer**
makes sound

*Question*
If most plants continue to use light energy throughout their lives, then what do most plants continue to use throughout their lives? Answer choices: - Light energy - money - wealth - sunlight - The Sun - food and shelter - energy - Mechanical energy
**Answer**
Light energy

*Question*
If keeping things cold in a fridge is a way to adequately store them, then keeping things what is a way to adequately store them? Answer choices: - cold in a fridge - hydrogen and oxygen - hot in a pan - layers of fat - in the trash - out in the yard - Electrical energy - staying warm
**Answer**
cold in a fridge

*Question*
If thick fur can be used for minimizing heat production, then thick fur can be used for minimizing what? Answer choices: - heat energy - heat production - scattered light - energy usage - freezer burn - movie production - fur production - Temperature
**Answer**
heat production