Curated OER
Angles and Parallel Lines Quiz
In this geometry worksheet, learners identify missing angles and sides. They identify angles formed by parallel lines cut by a transversal. There are 7 questions with an answer key.
CK-12 Foundation
Ck 12: Plix: Types of Waves: Mechanical Wave
[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.