Unit One Test.: Physics Fundamentals

This force causes particles with the same charge to repel each other.

This force is not as strong as the other forces but works over enormous distances.

This force is the reason you can find your direction using a compass.

This force causes gamma rays to be released from radioactive elements deep within the earth.

This force prevents the nucleus of atoms from flying apart.

This force causes particles with opposite charge to attract each other.

Because of this force we can use nuclear energy to generate steam.

This force pulls objects toward a center of mass.

This force causes lightening during a thunderstorm.

Scientific investigations typically begin with