Question 1

What reading level is the Cycles in Science series?

Accepted Answer

The Cycles in Science series by Peter D. Riley is at a Grades 6–7 reading level (average Grade 6.5). Intended for Middle Grades (Ages 9–12). There are 4 books in the series.

Question 2

What order should I read the Cycles in Science books?

Accepted Answer

The Cycles in Science series has 4 books in order: 1. Earth, 2. Energy, 3. Food, 4. Materials.

Question 3

What age is the Cycles in Science series appropriate for?

Accepted Answer

The Cycles in Science series is recommended for Middle Grades (Ages 9–12). The average content intensity is 1.8/5.

#	Title	Reading Level	Content
1	Earth Peter D. Riley	Level 6	Gentle
2	Energy Peter D. Riley	Level 7	Gentle
3	Food Peter D. Riley	Level 6-7	Intense
4	Materials Peter D. Riley	Level 6-7	Gentle

Cycles in Science Books in Order

Content Intensity Across the Series

Cycles in Science Reading Order

All Cycles in Science Books

Earth

Energy

Food

Materials