Simple Machines
Science
Simple Machines starts at 3 and continues till grade 5.
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See sample questions for grade 5
A crowbar is used to lift a heavy rock. What type of simple machine is the crowbar acting as?
A person uses a screwdriver to turn a screw into wood. What two simple machines are being used?
A ramp is 4 meters long and rises 1 meter high. What type of simple machine is this?
A ramp is 6 meters long and 2 meters high. What is the mechanical advantage of the ramp? (Mechanical advantage = length of ramp / height of ramp)
Describe how an inclined plane helps move heavy objects.
Describe the difference between a simple machine and a compound machine.
Explain how a pulley makes lifting a heavy object easier.
Explain why a longer lever can make lifting a heavy object easier.
Name all six types of simple machines.
What is the main purpose of a simple machine?
