Can You Find the Highest Note?
Description	In this activity, students encounter three auditory illusions.
Medium	text/HTML
Type	Activity
Grade Level	1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, kindergarten

Math Cats Balance
Description	In this interactive activity, users can virtually "weigh" and balance cats of different masses and weights. Topics include balancing objects, finding actual weights, magnification, and alternate fulcrum.
Medium	text/HTML
Type	Activity
Grade Level	all

Matter and Measure: All About Units, Uncertainty, Significant Figures, and How to Deal with Experimental Error
Description	This chemistry web tutorial, intended for a college-level introductory chemistry course, is divided into the following five main sections: units and dimensions, meaning of measure, significant figures and rounding off, reliability of a measurement, and drawing conclusions from data. some of the specific topics include: SI Base units, SI decimal prefixes, derived units, derived dimensions, uncertainty, significant figure, experimental error, systematic error, standard deviation, scatter, average, mean, dispersion of the mean, accuracy, precision, rounding off, and the Bell curve.
Medium	text/HTML
Type	Unit of instruction
Grade Level	higher education

Students Tip 8: The Joy of Scales and Arpeggios
Description	Student Tip 8 Describes how practicing scales and arpeggios aids musical performance.
Medium	text/HTML
Type	Literature, Reference
Grade Level	1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, higher education, kindergarten

Students Tip 9: Working Those Scales & Arpeggios 1
Description	Student Tip 9 continues to discuss the value of practicing scales and arpeggios.
Medium	text/HTML
Type	Literature, Reference
Grade Level	1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, higher education, kindergarten