Earth+Science

[|Earth Science gr. 9 Plate Tectonics] This is a great interactive learning object that teaches about plate tectonics, layers of the Earth, earthquakes, volcanoes, and plate boundaries (convergent, divergent, and transform). It does this with a detailed video, online quizzes, and interactive activities where you take core samples to determine a plate boundary, compare earthquake locations to plate boundaries, and place all the plates onto a map of the Earth.

[|Earth Science gr. 9 Waves] This is an excellent and extensive online tutorial about waves, using animations, audio explanations, and interactive quizzes. This tutorial covers types of waves, reflection, refraction, diffraction, the wave equation, seismic waves, and much more.