Unit One Test.: Physics Fundamentals

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

• Gravity

• Electromagnetism

• Strong Force

• Weak Force

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

• Gravity

• Electromagnetism

• Strong Force

• Weak Force

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

• Gravity

• Electromagnetim

• Strong Force

• Weak Force

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

• Gravity

• Electromagnetism

• Strong Force

• Weak Force

This force prevents the nucleus of atoms from flying apart.

• Gravity

• Electromagnetism

• Strong Force

• Weak Force

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

• Gravity

• Electromagnetism

• Strong Force

• Weak Force

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

• Gravity

• Electromagnetism

• Strong Force

• Weak Force

This force pulls objects toward a center of mass.

• Gravity

• Electromagnetism

• Strong Force

• Weak Force

This force causes lightening during a thunderstorm.

• Gravity

• Elecgromagnetism

• Strong Force

• Weak Force

Scientific investigations typically begin with

• a theory

• an observation

• a law

• an experiement