GRADE 4 SCIENCE · CHAPTER 4
Earth, weather & space
Study each lesson in order, or choose the idea you need today.
- Choose a book
- Choose a chapter
- Study a lesson
Rocks & minerals
Classify rocks by how they form
Use formation evidence to distinguish igneous, sedimentary and metamorphic rocks.
AN EXAMPLE FROM THIS CHAPTER
Liquid surface water becomes water vapor. Which process is described?
Show answer & explanation
evaporation
Evaporation moves liquid water into the gas state.
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.
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