Q: Fact 1: An automobile engine transforms chemical energy into mechanical energy. Fact 2: Mechanical energy is the sum of Kinetic Energy and Potential Energy. Given the two facts above, what works by summing kinetic energy and potential energy? | OPTIONS:
- Riding a bike
- transportation technology
- adding heat
- an automobile engine
- circulatory systems
- a hydraulic system
- Thyroid-stimulating hormone
- heterotrophs
A: an automobile engine

Q: Fact 1: Head hair is especially important in preventing heat loss from the body. Fact 2: Alopecia Hair loss is referred to as alopecia. Given the two facts above, what condition can cause heat loss from the body? | OPTIONS:
- psoriasis
- fever
- burning coal
- sweat
- alopecia
- melanoma
- dehydration
- vitiligo
A: alopecia

Q: Fact 1: Astove is used for cooking by generating heat. Fact 2: Fire generates heat and light. Given the two facts above, what does a stove use fire for? | OPTIONS:
- warmth
- coal
- cooking
- food
- energy
- burning itself
- support
- pellets
A: cooking

Q: Fact 1: Crumple means change shape from smooth into compacted by physical force. Fact 2: Crumple the foil then carefully reopen it. Given the two facts above, what can be changed from smooth to compacted by physical force? | OPTIONS:
- Roads
- dirt
- h2o
- soils
- foil
- wood
- oxygen
- hair
A: foil