Podcast
Questions and Answers
What causes lightning in the sky during a storm?
What causes lightning in the sky during a storm?
- The reflection of sunlight
- The collision of raindrops
- The friction between clouds
- The flow of electric current through air (correct)
What is the typical behavior of air in relation to electric current?
What is the typical behavior of air in relation to electric current?
- An insulator (correct)
- A superconductor
- A semiconductor
- A conductor
What should be the condition of hair and a plastic comb for the static electricity experiment to work best?
What should be the condition of hair and a plastic comb for the static electricity experiment to work best?
- Oily
- Wet
- Dry (correct)
- Combed
What happens when you rub a plastic comb through dry hair and then hold it over small pieces of paper?
What happens when you rub a plastic comb through dry hair and then hold it over small pieces of paper?
The sparks from a loose electrical connection and lightning have what in common?
The sparks from a loose electrical connection and lightning have what in common?
Flashcards
Lightning
Lightning
The flash of light in the sky during a storm caused by electric current flowing through the air.
Electrical Charge
Electrical Charge
A fundamental property of matter that causes it to experience a force when near other electrically charged matter.
Comb and Paper Experiment
Comb and Paper Experiment
An experiment to observe electric charge by rubbing a plastic comb through dry hair and seeing if it can pick up small pieces of paper.
Insulator
Insulator
Signup and view all the flashcards
Electric Current
Electric Current
Signup and view all the flashcards
