A
Name an example of a wheel and axle? (the most common one)
BIKE/CAR
What do gears in a bike change?
SPEED
If the fulcrum is closer to the load on a lever, will it be easier or harder to lift?
EASIER
What type of lever is a pair of scissors?
FIRST-CLASS LEVER
Name a machine that uses gears (on the wall in our classroom)
CLOCK
Which part of a lever is the pivot point?
FULCRUM
Name a machine that uses a pulley and is found outside our school.
FLAGPOLE
What type of simple machine is a doorknob an example of?
WHEEL AND AXLE
What is the purpose of a wedge?
TO SPLIT OR CUT OBJECTS
What simple machine is in/on a bike?
WHEEL AND AXLE
A see-saw is an example of what simple machine?
LEVER
Movement in a straight line
LINEAR MOTION
How is a mechanical advantage determined in a pulley system?
BY THE NUMBER OF SUPPORTING ROPES
A ladder is an example of what kind of simple machine?
INCLINED PLANE
What do pulleys lift?
LOADS
What is reduced when using an incline plane?
What are compound machines?
TWO OR MORE SIMPLE MACHINES COMBINED
A wheelbarrow is an example of what kind of lever?
SECOND-CLASS LEVER
What do gears have?
TEETH
What simple machine is a wheelbarrow?
WHEEL AND AXLE OR LEVER
What simple machine has a spiral inclined plane?
SCREW
Movement that is circular.
ROTARY MOTION
A ramp or flat surface that makes it easier to move heavy objects from low to high levels.
INCLINED PLANE
What kind of pulley is secured to a single place, meaning the pulley doesn't move.
FIXED PULLEY
A chisel is an example of what kind of wedge