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Grades 6–10. In the unit Exploring the Properties of Matter, students investigate some basic properties of matter and the use of these properties to distinguish one substance from another. Unit kit includes enough materials for a teacher to teach up to 32 students per day.

Grades 6–10. In the unit Exploring the Properties of Matter, students investigate some basic properties of matter and the use of these properties to distinguish one substance from another. Students begin by examining some physical properties and then turn to the characteristic properties of density; boiling, melting, and freezing points; rates of thermal expansion; and solubility. They determine that these properties are independent of amount and, taken together, can be used to identify an unknown substance.

STC-Secondary™ is a 16-unit, inquiry-centered middle school science curriculum developed by the Smithsonian Science Education Center (SSEC). Each STC-Secondary™ unit provides opportunities for students to experience scientific phenomena firsthand. A comprehensive, research-based curriculum, STC-Secondary™ is aligned with the National Science Education Standards.

The 1-Class Unit Kit comes with a Teacher's Edition, unit technology pack (digital access to the teacher edition and digital student access to the student guide), 16 reusable hardbound Student Guides (item #976403), and the materials needed for a teacher to teach up to 32 students per day.