Problem: OPTIONS:
- Evaporation
- compound of hydrogen oxygen
- kinetic energy
- antifreeze
- oil changes
- igniting fuel and oxidiser
- using the turn signal
- oxidation reaction
Q: Fact 1: Acar engine usually converts gasoline into motion and heat through combustion. Fact 2: Combustion is a type of oxidation reaction. Given the two facts above, how does a car engine usually convert gasoline into motion and heat?
Answer: oxidation reaction
Problem: OPTIONS:
- solid, liquid, gas
- on the surface
- Solutions
- epidermis and dermis
- lowered energy cost
- energy barrier
- an object
- near the shoreline
Q: Fact 1: Heating salt water causes the water to evaporate while the salt remains. Fact 2: Evaporation of the water leaves the salt on the surface. Given the two facts above, heating salt water leaves the salt where?
Answer: on the surface
Problem: OPTIONS:
- hydrocarbons
- acetic acid
- precipitation
- evaporation
- rivers and streams
- puddles
- ponds
- nitrogen
Q: Fact 1: Flowing water can slowly dissolve carbon in sedimentary rock. Fact 2: Rivers and streams are bodies of fresh, flowing water. Given the two facts above, what can slowly dissolve carbon in sedimentary rock?
Answer:
rivers and streams