lunes, 22 de octubre de 2007

Science Guide- Advanced
1.' Study the vocabulary. pg. ´6, 16,20,30
2. Why does Earth have seasons?
3. What is a leap year?
4. Calendars and cultures.
5. Study concept mapping on pg. 35-book
6.What is Equinox and Solstice.
7. The force of gravity depends on what?
8. What is a solar eclipse.
9. Study the characteristics of the moon.
10. Study the origin of the moon.(theory)
11. Study the moon's surface.
12. What is a tide