"Younger teens often brag about a lack of sleep, but that usually stops when they get older. Why do you think that is?"

Your pendulum clock which advances 1.0 s for every complete oscillation of the pendulum is running perfectly on earth at a site where the magnitude of the acceleration due to gravity is 9.80 m/s2. you send the clock to a location on the moon where the magnitude of the acceleration due to gravity is 1.65 m/s2.

J. j. thomson’s experiment disproved the theory that an atom

This is for my 8th grade science class, i really don’t understand. can someone me? , lol.