Some forces are called contact forces because they require objects to touch. One is tension force, found in stretched wires. Another is the force found in a spring. And last are resistive forces: ...

Embryos, especially those of birds, reptiles and mammals, are remarkably adept at recovering from disturbances. When an embryo is cut into pieces, development can be redirected in the separated parts, ...

Students will apply their knowledge of physical science concepts to create a lunar lander game using Scratch. They will use Vernier force and acceleration sensors to understand forces and integrate ...