Lightning and thunder Review

what is Lightning ?

• Magnetic spark Through Air
• Water flow through Air
• Electric spark through Air
• None of the above

During Thunder Storms - 

• Water current moves upwards
• Air current Moves upwnwards
• Air current moves Downwards
• I like trains

Lightning can occur Between : 

• Cloud and Ground
• Two different Clouds
• top and bottom parts of a same cloud
• All the above

Tags

NGSS.HS-PS3-5

What are the types of charges developed on the clouds during a Thunderstorm?

• Positive charges only
• Negative charges only
• Both Positive and Negative charges
• none of the Above

Top Part of the clouds Develops ________  and bottom part of the clouds develops  ___________ during Thunderstorm and Lightning.

• Negative charge ,  Negative charge
• Positive charge, Negative charge
• Positive charge, Positive charge
• Kebab,  Biryani

we see lightning first and then we hear the sound because -

• eyes are in front and ears are in the back
• Sound travels faster than Light
• Light travels faster than Sound
• none of the above

Lightning can cause - 

• Forest Fires
• damage to property and houses
• none of the above
• can cause both forest fires and damage to property

what should be Done when there is thunderstorms and lightning ?

•  stay in the house or in the closed car
• stay under a tree
• stay in the open ground
• do Gangam Style dance in rain

what is a Lightning conductor ?

• it is made of metal
• A pointy metal rod which sends all charge accumulated on the building to the ground.
• its one end is buried in the ground
• all of the above

staying in the closed car is safe during lightning and thunder storms because

• Electric charge stays on the outer surface of the car only
• Electric charge can travel inside the car and we can get a shock
• Car is made of non metal
• car is insulator