Why do we have seasons - a presentation for 2nd graders with a drawing exercise.

1. Why do we have years, days and seasons?

3. Earth orbits the sun in how many days?
What is an orbit?

4. 365 days
A year
One orbit around the sun
583,000,000

5. mercury – 4x yr
pluto 248 years

6. What is a spin?
Why is there light during the day and dark at night?

8. Why do we have seasons?

12. Draw: Name:
YEAR – the earth’s ORBIT around the sun
ONE DAY – the earth’s spin and the sun
SEASONS – the earth at a tilt and the sun