
Science 6 Quarter 3 Periodical Test Reviewer
Quiz by Rubilyn Pastrano
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70 questions
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- Q1What is the force that pulls objects towards each other?GravityElectricityMagnetismFriction30s
- Q2What is the unit of measurement for force?WattVoltAmpereNewton30s
- Q3What is the formula for calculating force?Force = work x timeForce = energy x massForce = mass x accelerationForce = distance x time30s
- Q4What is the force that opposes motion?MomentumFrictionGravityInertia30s
- Q5What is the force that keeps objects in circular motion?Centrifugal forceTension forceElectromagnetic forceCentripetal force30s
- Q6What is the weight of a 10 kg object?10 N100 N98 N1 N30s
- Q7What is the force required to keep a 20 kg object moving at a constant speed on a frictionless surface?20 N40 N60 N0 N30s
- Q8What is the force required to move a 5 kg object at an acceleration of 2 m/s^2?20 N10 N5 N30 N30s
- Q9What happens to the force of gravity between two objects if the distance between them is doubled?It stays the sameIt decreases by a factor of 2It decreases by a factor of 4It doubles30s
- Q10What happens to the force of friction if the surface area in contact between two objects is increased?It becomes negativeIt decreasesIt stays the sameIt increases30s
- Q11What is a simple machine?A machine that uses electricity.A machine that makes work easier by changing the size or direction of a force.A machine that is very complicated.A machine that can do work without any energy.30s
- Q12What is mechanical advantage?The amount of energy required to use a machine.The amount of work done by a machine.The ratio of the output force to the input force.The amount of power a machine produces.30s
- Q13What is a lever?A machine that uses pulleys.A machine that uses screws.A machine that uses gears.A rigid bar that pivots around a fixed point called a fulcrum.30s
- Q14What is a pulley?A machine that uses gears.A grooved wheel that rotates around an axle, with a rope or chain running along the groove.A machine that uses screws.A machine that uses levers.30s
- Q15What is an inclined plane?A machine that uses gears.A flat surface that is sloped.A machine that uses levers.A machine that uses pulleys.30s