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Science Launch G1 / Week 12 / Thursday
4/6
Week 12 · Long Days, Short Days

Thursday

Earth leans
// Daylight changes through the year
⏱ about 15 min

Thursday: Earth leans

Rocket tilts his globe. "Why does Earth lean like this?"

Raven shines a flashlight on it.

Nova asks, "Which part gets more light?"

A tilted Earth

Earth does not stand up straight. It is tilted.

Earth travels around the Sun all year.

Part of the year, the north leans toward the Sun.

Then it is summer in the north.

Later, the north leans away from the Sun.

Then it is winter in the north.

The tilt causes the seasons.

TILT AND SEASONS
  • Read the question.
  • Tap your answer.
What causes the seasons?
The north leans toward the Sun. What season is it there?
SentenceTrue or false?
Earth is tilted.?
The tilt causes the seasons.?
Earth stands perfectly straight up.?
WHY THIS EXERCISEEarth leans, and that gives us seasons.
Try it
Hold a ball and lean it a little.
Shine a flashlight on it.
Which part gets the most light?
TILT CHECK
  • Read the question.
  • Tap your answer.
What does tilt mean?
Earth travels around the Sun...
The north leans away from the Sun. Season there?
Draw a tilted Earth and the Sun.
SentenceTrue or false?
Earth is tilted as it travels around the Sun.?
The north leans toward the Sun in its summer.?
The Moon’s shape causes the seasons.?
A tilted ball gets more light on one part.?
WHY THIS EXERCISEThe part leaning toward the Sun gets more light.

Word Spot: should, world

Here are new sight words.

Look at each word. Say it. Spell it.

Should: S-H-O-U-L-D.

World: W-O-R-L-D.

FIND THE WORD
  • Listen to the word.
  • Tap it.
Find the word you hear.
Find the word you hear.
Find the word you hear.
Find the word you hear.
FILL THE GAP
  • Listen to the sentence.
  • Tap the missing word.
We ___ wash our hands.
Ships sail all over the ___.

You learned a big idea today!

Tomorrow you will put the whole course together.

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