GRADE 4 SCIENCE · CHAPTER 2
Living things & ecosystems
Study each lesson in order, or choose the idea you need today.
- Choose a book
- Choose a chapter
- Study a lesson
Ecosystems
Read a food chain
Interpret a stated food chain with arrows showing energy moving from food to eater.
AN EXAMPLE FROM THIS CHAPTER
In grass → rabbit → fox, what eats the grass?
Show answer & explanation
rabbit
The arrow from grass to rabbit shows grass is eaten by the rabbit.
Curriculum & source notes
These are original Little Play study books organized around U.S. school topics. The official curriculum references below guide topic scope and progression. Coverage is selected, not a complete curriculum or a verified match to every state standard. They are not copies of a publisher’s textbook. Check your school’s syllabus and book edition.
High-school courses can be taken in different years. Choose the topic that matches the student’s current course.
Read all curriculum references →