Synopsis:
Is there life on planets in other star systems? It's a very old question. But finding the answer may get simpler with a new invention by astrophysicist, professor and inventor Webster Cash.
Running time 5:55 minutes.
Real World Connection:
Stars and Planets
Subject: Mathematics
Topics: Trigonometric Ratios, Scientific Notation
Grades: 8 - 12
Concepts:
- Angular separation
Knowledge and Skills:
- Can solve an equation involving a trigonometric ratio.
- Can perform operations with numbers written in Scientific Notation
Download Lesson: Stars and Planets (PDF)
Objects and Images
Subject: Mathematics
Topics: Algebra--Expressions and Equations
Grades: 6 - 12
Knowledge and Skills:
- Can evaluate expressions by substituting values for variables
- Can simplify expressions using correct order of operations
- Can do basic operations on both sides of an equation in such a way as to preserve the equality
Download Teacher Guide: Objects and Images (PDF)
Download Student Lesson: Objects and Images (PDF)
Light Intensity
Subject: Mathematics
Topics: Algebra—Coordinate Systems; Patterns, Relations and Functions
Grades: 6 - 12
Knowledge and Skills:
- Can plot a point in a two-dimensional coordinate system, given the coordinates, or determine the coordinates of a given point
- Can extrapolate a graph when a pattern exists
Download Teacher Guide: Light Intensity (PDF)
Download Student Lesson: Light Intensity (PDF)
Lens Sculptors
Subject: Mathematics
Topics: Algebra, Rational Functions
Grades: 6 - 8
Knowledge and Skills:
- Can graph a rational function
Flash 7 or greater is required.
Download it.

