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STC Literacy Series™: Solids and Liquids

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Grades K–2. Did you know that it takes 15” of dry snow to equal 1” of rain? Or that ketchup was first sold as a medicine? Solids and Liquids, part of the STC Literacy Series™, lets students investigate the characteristics of different substances using interesting facts like these. The book introduces 2 key concepts in physical science—that solids and liquids are 2 states of matter and that each state of matter has its own identifiable properties.


Introduce students to the properties of matter in our world.

Grades K–2. Solids and Liquids explains the similarities and differences between solids and liquids using a variety of common examples like food, toys, household items, and things found in nature. Students observe, describe, and compare solid objects from the text, indentifying objects by color, shape, texture, and hardness. They determine whether objects roll or stack, float or sink, and find out which ones are attracted to a magnet. They also examine various liquids to determine look and feel, fluidity, and how they mix with water.

Developed to enhance the teaching of the Science and Technology Concepts™ (STC™) unit, the STC Literacy Series™ Solids and Liquids reader supports inquiry-based science lessons with engaging informational text. The content gives students a natural transition from hands-on investigations, builds background knowledge to reinforce conceptual learning, and lets students apply relevant nonfiction to their own real-world experiences. Questions provided throughout the book encourage critical thinking and allow children to be actively involved in their learning.

Educational studies show that children are more likely to engage in a reading exercise when the literature is related to a recent hands-on activity. This is exactly how the STC Program™ works. Included in every STC-Elementary™ kit, the STC Literacy Series™ helps improve reading comprehension, and supports the following Common Core Standards:

  • RI.1-3
  • RI.4-6
  • RI.7-9

Solids and Liquids paper version (item #971496) comes as a pack of 8 readers. Solids and Liquids electronic version (item #971496E32) allows 32 students per year to have access to the text for 60 months.



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