UNIT 1 Lessons 1~8 Spring Is Coming!
Lesson 1:It's Getting Warmer!
What's the date today?
It's March twenty-first! It is spring now.
You can write dates with numbers,too.
How can you write March twenty-first?That's right!
March 21st or March 21.How many hours of daylight are there on

March 21st?
There are twelve.
The sun rises at about six o'clock in the morning
and it sets at about six o'clock in evening.
Do you see two words you already know indaylight?That's right!

Dayandlight
When is it daylight?When the sun is up!What is spring weather

like?
In spring,the weather becomes warmer.
The temperature goes up!In early spring,it sometimes snows.
But the snow melts quickly in the warm sun.
In April,rain showers begin.
Sometimes there are storms with thunder and lightning.
Thunder makes a loud noise.
FASCINATING FACTS
Lightning
Lightning is hot!
The air near lightning can be 30,000 degrees!
That's hotter than the sun!
You can look upairin your dictionary at the end of this book.