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Grade 4
Topic Cloze Quiz
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It's Shocking
A buildup of electrical charge causes
thundercloud
particles
static
charges
Select your answer
electricity. This discharge can produce lightning from a huge cloud called a(n)
positive
particles
static
thundercloud
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. One hundred million
charges
particles
rods
lightbulbs
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can be powered by just one bolt. Lightning targets the shortest, clearest
charges
rods
path
particles
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. That’s why people use lightning
particles
lightbulbs
charges
rods
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to discharge lightning into the ground. Inside thunderclouds,
rods
particles
static
charges
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rub together. At the top of the cloud,
thundercloud
static
lightbulbs
positive
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particles gather together. Heavy, negative particles settle at the
path
rods
bottom
charges
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of the cloud. The ground stays positive relative to the clouds. Soon, with enough build up of
thundercloud
static
particles
charges
Select your answer
, lightning strikes.