proficiency 3 problem does the angle of decent have an affect on deceleration? hypothesis of i test does the angle of decent affect the rate of deceleration then i think that it will have an affect because the more angle upward the faster it will slow down. observation... experiment... conclusion...
proficiency 4 Rube Goldberg
proficiency 5 essay

proficiency 1 problem does the mass of a toy car affect the length it can push a domino? hypothesis if i test does the weight of a toy car affect how far it will push a domino then i think that the heavier the car the farther it will move. observations... experiment... conclusion...

proficiency 2 problem does the type of surface affect how far a marble will roll? ( carpet cement tile) hypothesis if i test which surface carpet cement or tile a marble will roll the farthes on i think cement because it doesnt have as much friction on it. observations... experiment... conclusion...