Vocabulary
A push or a pull on an object that causes it to move.
What is force?
Which simple machine has a fulcrum as the balance point?
What is a lever?
What is the rod that goes through the wheels called?
What is an axle?
These machines have 2 or more simple machines.
What is a compound machine?
Name an object that has a pulley system.
What is a flagpole, a blind, a clothesline, a crane?
What unit is the measurement used for work?
What is Joules?
Which simple machine has a grooved wheel with a rope or a chain that goes around the wheel?
What is a pulley?
What are the metal spirals on a screw called?
What are threads?
A pair of scissors is made of which 3 simple machines.
What are levers, wedges, and a screw?
Name an object that is a lever.
What are your arm, seesaw, hammer, shovel, door handles, lightswitch?
What is a simple machine?
A machine that has few or no moving parts.
Which simple machine has a slope that has one end higher than another?
What is an inclined plane?
What unit measures power?
What is a watt?
Name at least 3 simple machines found on a bicycle.
What are wheel and axles, screws, levers, gears, and a pulley?
Name 2 objects that are wedges.
What are push pins, nails, knives, forks, teeth?
The rubbing of one object against another causes this.
What is friction?
These wheels have teeth.
What are gears?
This word is used to measure work.
What is a Joule?
A bottle opener to take a cork out has which 2 simple machines?
What are a lever and a screw?
Name an object that is a screw?
What are a lightbulb, a jar lid, a hose nozzle, spiral staircase?
What is the formula used to calculate work?
What is work equals force times distance?
W = F x D
Which simple machine has two inclined planes joined together to cut or split things apart?
What is a wedge?
This is a rod with an inclined plane wrapped around it.
What is a screw?
Name 4 simple machines on a pizza cutter.
What are lever, screw, wedge, and wheel and axle?
Name an object that is an inclined plane.
What is a ramp, stairs, escalator, slide?