Learners explore engineering by participating in a mechanical class activity. In this simple machines lesson, students identify many simple machines that allow them to perform tasks easily each day. Learners collaborate in small groups...

Middle schoolers simulate crater formation through a lab activity. In this space science lesson, students calculate how much energy is transferred during meteorite impact. They identify different factors affecting the size and depth of...

Students participate in a hands-on simulation to help them explain that coal resources are deposited unevenly between the earth's surface and under the ground.