Activity
CK-12 Foundation

Ck 12: Parallel Lines and Transversals

For Students 9th - 10th
[Free Registration/Login Required] Students will answer real world problems by determing where to add the additional beam using parallel lines and transversals. Click learn more to watch a video and click challenge me to answer a...
Study Guide
Other

New York State Education Department: Eighth Grade Math, Book Three (2006) [Pdf]

For Students 7th - 9th
Part three of three; The March 2006 8th grade Math test from the State of New York. The test is 12 open-response questions dealing with topics such as algebra (solve for a variable, write function rules), geometry (translations, parallel...
Interactive
CK-12 Foundation

Ck 12: Plix: Types of Waves: Mechanical Wave

For Students 9th - 10th
[Free Registration/Login Required] Move the points to change the frequency and amplitude of the waves while making the waves transverse or longitudinal according to the labels.
Lesson Plan
Other

Simple Science: Breathing Lesson

For Teachers 9th - 10th
The innovative resource has students investigate, diagnose, and assess the severity of emphysema in the lungs of three patients using transverse CT images of the upper and lower lungs. The activity has an interactive online version and a...