
The Science of Lightning: National Geographic
Interactive Video
•
English
•
University
•
Practice Problem
•
Medium
Anonymous Anonymous
Used 4+ times
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
Have you seen this video or heard of this channel before?
I've seen this video and heard of this channel before.
I've haven't seen this video but I've heard of this channel.
I haven't seen this video nor heard of this channel before.
I've seen this video but haven't heard of this channel before.
2.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
"...and one that scientists are _ learning about."
(a)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What do you think "strokes" means in this context?
When someone's brain suddenly has its supply of oxygen interrupted.
When something hits something else.
When someone caresses something else.
When someone paddles a boat.
To write a character on a page.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How often is lightning estimated to occur worldwide?
50-100 times a second.
15-100 times a second.
50-100 times a minute.
15-100 times a minute.
It's unknown.
5.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
"The _ of light are pure electricity."
(a)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the lighter particles in thunderstorms?
They move upwards and become positively charged.
They move upwards and become negatively charged.
They move downwards and become positively charged.
They move downwards and become negatively charged.
Nothing
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the heavier particles in a thunderstorm?
They move upwards and become positively charged.
They move upwards and become negatively charged.
They move downwards and become positively charged.
They move downwards and become negatively charged.
Nothing.
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