GRADE 1 SCIENCE · CHAPTER 2
Forces, energy & waves
Study each lesson in order, or choose the idea you need today.
- Choose a book
- Choose a chapter
- Study a lesson
Sound
Connect sounds with vibrations
Use observations to connect sound production with vibrating materials.
Light
Explain why light is needed to see
Explain that seeing an ordinary object requires light from a source to reach it and then the eyes.
AN EXAMPLE FROM THIS CHAPTER
A plucked rubber band moves back and forth while making sound. What motion is this?
Show answer & explanation
vibration
Repeated back-and-forth motion is a vibration.
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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