Toggle Navigation
Games
Blog
News
Class PIN
Join for Free
Sign in
Toggle Navigation
Games
PIN
Join for Free
Blog
Pricing
News
Contact us
Help center
Sign in
Study
Reading Expert Insight 1 ( Unit 9 )
0
%
0
0
0
Back
Restart
What does a solar flare release ?
It releases gas, electrons , and light rays.
Oops!
Okay!
What is the main idea of the passage ?
There are several types of solar flares that affect satellites, power grids, and electronic communications.
Oops!
Okay!
Why are X-class flares dangerous ?
Because X- class flares happen suddenly.
Oops!
Okay!
Say the various meaning of the word " travel " ?
1. 이동하다, 흐르다, 진행되다 2. 여행, 여행하다
Oops!
Okay!
How strong are X- class flares ?
They are the biggest flares and 10 times stronger than M-class ones.
Oops!
Okay!
Where can we see auroras ?
We can see colorful lights at the North and South Poles.
Oops!
Okay!
What types of problems can solar flares cause ?
They block our electronic communications, knock out satellites, and shut down power grids.
Oops!
Okay!
What happened in 1859 ?
A solar flare shut down the telegraph system.
Oops!
Okay!
vocabulary: a complete loss of electrical power
blackout
Oops!
Okay!
How are C-class flares different from M-class and X- class flares ?
C-class flares are not usually felt on Earth.
Oops!
Okay!
What do gas, electrons, and light rays interact with ?
They interact with our magnetic fields.
Oops!
Okay!
What can an M- Class flare cause ?
It can cause not only minor radiation storms but also brief radio blackout in the polar regions.
Oops!
Okay!
to act on (someone or something) and cause a change
affect
Oops!
Okay!
vocabulary: energy in the form of waves such as radio waves, light waves, X-ray waves
radiation
Oops!
Okay!
What are the synonyms of the word " release " ?
emit , radiate , give off
Oops!
Okay!
Your experience on this site will be improved by allowing cookies.
Allow cookies