PHET
Gravity Force Lab
Does size or mass impact gravitational pull? Scholars experiment with force pairs to answer that question. They can change the size, mass, and distance between the objects using an engaging simulatoin. This allows pupils to visualize the...
CK-12 Foundation
Airplane
How does an airplane control its take off and descent? Scholars explore the forces acting on an airplane and control the angle of attack, wing profile, thrust, and airplane size. They learn about lift, drag, thrust, gravity, and the...
Curated OER
Sigmund Freud
In this online interactive history worksheet, students respond to 10 short answer and essay questions about Sigmund Freud and his work. Students may check some of their answers on the interactive worksheet.
South Carolina Educational Television
Know It All: Lift | Nasa Online
An upward force called lift acts on the airplane and opposes the downward forces of gravity. The lift force allows the airplane to get off the ground and stay in the air. Watch the simulation to see how this works.