Q: You are presented with the quiz "What does electricity need to do to work properly?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "when an electrical circuit is working properly , electrical current runs through that circuit" and "electrical circuits require a complete loop through which the electrical current can pass". So, what's the best answer to the question?

OPTIONS:
- absorb light energy
- heat is produced
- Have access to air
- Submerged in water
- Be plugged in
- Complete a loop in a circuit
- it keeps an organism warm
- Burning fuel and air

A: Complete a loop in a circuit

Q: You are presented with the quiz "What can cause a rainbow?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "sunlight and rain can cause a rainbow" and "liquid precipitation is measured with a rain gauge". So, what's the best answer to the question?

OPTIONS:
- photosyntehsis
- tornadoes
- sun and hot weather
- snowfall and fog
- chemical messengers
- sun and liquid precipitation
- algae and plants
- photosynthetic pigments?

A: sun and liquid precipitation

Q: You are presented with the quiz "What organs do both fishes and reptiles have?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "fish have a centralized nervous system with a brain" and "nervous A reptile has a brain and nervous system". So, what's the best answer to the question?

OPTIONS:
- legs
- they all walk on land
- gills
- the eyes
- protected
- brains
- alveoli
- vision

A: brains

Q: You are presented with the quiz "What happens when soda cans conduct heat?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "when metal conducts heat , that metal expands" and "when the metal aluminum is mentioned, most people think of things like foil and soda cans". So, what's the best answer to the question?

OPTIONS:
- float
- They expand
- Evaporation
- Energy.
- energy
- They inflate
- heating liquids
- strengthen

A:
They expand