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...
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.