Weather:
http://internet4classrooms.com/science_elem_weather.htm
Earth:
http://internet4classrooms.com/science_elem_earth.htm
Suffixes:
http://internet4classrooms.com/skill_builders/suffixes_language_arts_fourth_4th_grade.htm
Prefixes:
http://internet4classrooms.com/skill_builders/prefixes_language_arts_fourth_4th_grade.htm
Vocabulary:
http://internet4classrooms.com/skill_builders/vocabulary_building_language_arts_fourth_4th_grade.htm
Multiplication:
http://internet4classrooms.com/skill_builders/multiplication_math_fourth_4th_grade.htm