Ms. Gentemann introduces natural and man-made structures and how to observe them.
Students understand how our ears work as well as how sound comes from vibrations. In this lesson, students understand how our ears work to let us hear sound as well as how sound comes from vibrations.
Certains résultats ont été masqués, car ils peuvent vous être inaccessibles.
Afficher les résultats inaccessibles
Commentaires