The Ambleside site has old fashioned geography lessons by Charlotte Mason from 1925.
Here is a schedule to follow to break up the lessons for 3rd and 4th grade students:

Lessons 1-3
Lessons 4-5 questions
Lessons 6-7 questions
Lessons 8-11
Questions Ch. 9-11
Lessons 12-13
Lessons 14-17
Lessons 18-19
Lesson 20 questions
Lessons 21-22 questions
Lessons 23-24 questions
Lessons 25-27 questions
Lesson 28 questions
Lessons 29-30 questions
Lessons 31-32
Questions 32
Lessons 33-34
Lesson 35 questions
Map questions 35
Lesson 36 questions
Lesson 37 questions
Lesson 38 questions
Lessons 39-40 questions
Lesson 41 questions
Map questions