1) A force can be a) PUSH b) PULL c) TWIST d) ALL OF THESE 2) Which of these is a NON-CONTACT force? a) Friction b) Magnetic c) Air Resistance d) Drag 3) A vector has........ a) Magnitude b) Direction c) Magnitude and Direction 4) State the unit that time must be in before answering a question a) Seconds b) Minutes c) Hours d) Days e) Months f) Years 5) An isotope has the a different number of which sub-atomic particle? a) Protons b) Neutron c) Electrons 6) An positive ion (cation) has more electrons than it has protons a) True b) False 7) Which of these is not a form of radioactive decay? a) Alpha b) Beta c) Delta d) Gamma

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