Problem:OPTIONS:
- gas
- Dew
- lake
- solid
- oxygen
- liquid
- oil
- salt

Fact 1: Boiling means change from a liquid into a gas by adding heat energy. Fact 2: Water is heated to the boiling point and changes to steam. Given the two facts above, what does water turn into after boiling?
****
A: gas

Problem:OPTIONS:
- radiation
- heat energy
- expelled
- vapors
- body heat
- heat produced
- conduction
- metal

Fact 1: Evaporation of sweat uses energy, and the energy comes from body heat. Fact 2: When sweat comes in contact with the skin it is cooled as the sweat evaporates. Given the two facts above, energy leaves from what when sweat contacts with skin?
****
A: body heat

Problem:OPTIONS:
- water cycles
- Greenhouse gasses
- plant cycles
- Electrical energy
- sleep cycles
- heat or cold
- Diurnal cycles
- Temperature changing

Fact 1: Plants detect and respond to the daily cycle of light and darkness. Fact 2: Diurnal cycles Diurnal cycles are the daily cycles of light and darkness. Given the two facts above, plants detect and respond to what?
****
A: Diurnal cycles

Problem:OPTIONS:
- bears
- bacteria
- pigeons
- humans
- tigers
- rocks
- Mammal
- hats

Fact 1: Better senses have a positive impact on an animal 's survival. Fact 2: Bears are curious animals. Given the two facts above, better senses can have a positive impact on the survival of what?
****
A:
bears