1) The charge on an electron is... a) Positive b) Negative c) Neutral d) North e) South 2) Static electricity is caused by ... a) lightning b) metals c) protons d) rubbing 3) Opposite charges .... a) Explode when they meet b) Repel each other c) Attract each other d) Destroy each other 4) When we rub two objects together the particle that transfers between them is ... a) Electrons b) Protons c) Neutrons d) Atoms 5) The object which gains electrons becomes ... a) Positively charged b) Negatively charged c) Hot d) Heavier 6) The object which loses electrons becomes ..... a) Lighter b) Negatively charged c) Positively charged d) Colder 7) Complete the statement: The closer the charges are, the ................. the forces between them. a) greater b) lesser 8) In the simulation, after rubbing the balloon to the sweater, the net charge of the balloon became .................. a) positive b) neutral c) zero d) negative 9) An object that has the same number of protons and electrons is said to be a ................ object. a) positively charged b) neutral c) negatively charged d) special 10) In the simulation, after rubbing the balloon to the sweater, the net charge of the sweater became .................. a) positive b) neutral c) zero d) negative

Static Electricity

על ידי
הדפסה
הטבעה

לוח תוצאות מובילות

סגנון חזותי

אפשרויות

החלף תבנית

האם לשחזר את הנתונים שנשמרו באופן אוטומטי: ?