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CK-12 FlexBooks are fully customizable, digital textbooks which offer the best content for students and teachers. Viewable on Chromebooks, laptops, tablets, smartphones or desktops, FlexBooks are standards-aligned and ready to be localized to engage students.
- Switch to Teacher Version
Master math & science concepts through regular, personalized...
- Switch to Teacher Version
Click that to access the Teacher Edition. Science Teacher's Editions. Currently, there are no teacher's editions for our 2.0 science FlexBooks. When available, FlexBooks have answer keys for each chapter in the Resources section in the first lesson of each chapter.
1 Νοε 2024 · Scientific Notation. Scientific notation is a way to express numbers as the product of two numbers: a coefficient and the number 10 raised to a power. It is a very useful tool for working with numbers that are either very large or very small.
Master math & science concepts through regular, personalized practice questions.
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1 Νοε 2024 · Weight measures the force of gravity pulling on an object. The SI unit for weight is the Newton (N). Vocabulary. What is the traditional definition of gravity? Identify factors that influence the strength of gravity between two objects. Define weight. What is the SI unit for weight? Explain why an astronaut would weigh less on the moon than on ...
The 2.0 version provides a streamlined format: To view the contents of the book, just click each chapter heading, then choose a sub-chapter: Click Start. Here, you can read the lesson's content, and interact with embedded resources such as videos, interactives, and practice. NEXT: FlexBook 2.0 Lesson Features