Problem: OPTIONS:
- movement
- diffraction
- photons
- shaping
- focusing a lens
- recalling
- sunlight
- spreading
Q: Fact 1: Arainbow is formed by refraction of light by separating light into all different colors. Fact 2: Rainbows are an optical phenomena due to the diffraction of light waves. Given the two facts above, a rainbow is formed by what into all different colors?
Answer: diffraction

Problem:OPTIONS:
- converting electricity to heat
- burning
- heat is produced
- magnetism
- peltier effect
- A transportation fuel
- heating liquids
- heat production

Fact 1: An electric stove transforms electrical energy to heat energy. Fact 2: For example, it takes energy to boil water on the stove. Given the two facts above, how do electric stoves boil water?
****
A: converting electricity to heat

Fact 1: When a hemisphere is tilted towards the sun , that hemisphere receives more direct sunlight. Fact 2: During the summer in Britain the sunlight strikes the Northern part of the Earth more directly. Given the two facts above, when is a hemisphere tilted towards the sun?
OPTIONS:
- mild
- Vernal equinox
- autumn
- Spring
- Summer
- positive
- Autumnal Equinox
- Tropical
Summer

Fact 1: Hearing is used for sensing sound by animals. Fact 2: Hearing requires functioning ears. Given the two facts above, what are used for sensing sound in animals?
OPTIONS:
- in the frog family
- four limbs
- non-functioning ears
- noses
- eyes
- chemical messengers
- Electrical energy
- functioning ears

Answer: functioning ears

Question: Fact 1: When the body is hot , sweat is produced to cool the body. Fact 2: Sweat is released from sweat glands beneath the skin, and as it evaporates, the skin is cooled. Given the two facts above, what is used to cool the body when it is hot?
OPTIONS:
- water vapor
- element
- salt and water.
- heater
- evaporation
- fur and fat
- aqueous solution
- sheet
Answer: evaporation

input: OPTIONS:
- Evaporation of sweat
- hydration of their cells
- Most plants
- Microscopic organisms
- agriculture
- to stay alive
- female sex cells
- plant life Now, answer this question: Fact 1: Evaporation of sweat uses energy, and the energy comes from body heat. Fact 2: Because food contains energy. Given the two facts above, what requires food?
A:
output:
Evaporation of sweat