View all Standards

Standard 4-PS3-3

4-PS3-3. Ask questions and predict outcomes about the changes in energy that occur when objects collide....

Grade(s): 4

Subject(s): Science

Year: 2021

Lift | NASA Online
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.