Podcast
Questions and Answers
What is lightning?
What is lightning?
- A weak flash of light
- A strong flash of electricity (correct)
- A loud sound in the sky
- A strong wind storm
Why are tall buildings more prone to lightning strikes?
Why are tall buildings more prone to lightning strikes?
- Because they have more electrical appliances
- Because they are taller than other buildings (correct)
- Because they are made of metal
- Because they are located in open areas
What is the purpose of a lightning conductor?
What is the purpose of a lightning conductor?
- To protect buildings from strong winds
- To redirect lightning strikes to the ground (correct)
- To attract lightning to a building
- To generate electricity for a building
What happens when lightning hits a building with a lightning conductor?
What happens when lightning hits a building with a lightning conductor?
What is the function of the ground rod?
What is the function of the ground rod?
Why do architects and builders include lightning conductors in modern buildings?
Why do architects and builders include lightning conductors in modern buildings?
What is the primary purpose of using insulators in electrical systems?
What is the primary purpose of using insulators in electrical systems?
Why do electricians wear thick rubber gloves and safety shoes with thick rubber soles?
Why do electricians wear thick rubber gloves and safety shoes with thick rubber soles?
What should you do if you are swimming and there is a thunderstorm?
What should you do if you are swimming and there is a thunderstorm?
What material are special insulators made from to make power lines safe?
What material are special insulators made from to make power lines safe?
Why are power lines held up by strong poles?
Why are power lines held up by strong poles?
What is an electrical current considered to be?
What is an electrical current considered to be?
What is the term for a material that allows an electrical current to flow through it?
What is the term for a material that allows an electrical current to flow through it?
How can you test whether a material conducts electricity?
How can you test whether a material conducts electricity?
What are the best conductors of electricity?
What are the best conductors of electricity?
Why should you never use electrical appliances in the bath or while standing on a wet floor?
Why should you never use electrical appliances in the bath or while standing on a wet floor?
What are examples of good insulators?
What are examples of good insulators?
What is the main function of an electrical switch in a circuit?
What is the main function of an electrical switch in a circuit?
What happens to the circuit when a switch is open?
What happens to the circuit when a switch is open?
What is the purpose of a conductor in a switch?
What is the purpose of a conductor in a switch?
What would you expect to happen to the lamp in the circuit above?
What would you expect to happen to the lamp in the circuit above?
What characteristic of a material would make it suitable for use as a switch?
What characteristic of a material would make it suitable for use as a switch?
What was Teri's method for conducting the investigation?
What was Teri's method for conducting the investigation?
What was recorded by Teri in the table?
What was recorded by Teri in the table?
What can be observed from the table?
What can be observed from the table?
What is the pattern in the data when the length of wire is increased?
What is the pattern in the data when the length of wire is increased?
What can be concluded about Teri's prediction from the results?
What can be concluded about Teri's prediction from the results?
