Students will learn about acids and bases through a class discussion and then test a dilute acid and dilute base with neutral litmus paper to learn how the paper indicates something is acidic or basic. Once that skill is learned they can move on to test some common items that would be found around their house to determine if they are acids or bases. Optional: Extra litmus paper is included to test more items either from home or around the school building for a greater understanding of acids and bases. The activity contains enough materials for 6 groups of students.
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Innovating Science Spatter Blood is specialized in that it is not corn syrup based and will dry on material allowing students to utilize the dried blood on objects for exams or other lab measurements. Innovating Science Spatter Blood is useful for various types of blood spatter analysis including: the effect of height on blood droplets, the appearance of blood that impacts a surface at varying angles, some common blood spatter patterns that may be present at a crime scene, the effect of impact velocity on blood spatter, and the manner in which various surface types/textures may affect the appearance of blood evidence.
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