Pulleys
Gears
Types of pulleys
Types of gears
Ways to save energy
100
A ______ helps fit a rope or cable into a pulley wheel. a) Glove b) Hole c) Groove
What helps fit a rope or cable into a pulley wheel?
100
A gear is a wheel with _____ around it. a) Bumps b) Teeth c) Bars
What is a gear?
100
A ____ pulley can change direction. a) Movable b) Normal c) Fixed
What type of pulley can change direction?
100
A _____ gear can turn a vertical motion into a horizontal motion. a) Bevel b) Rack c) Spur
What type of gear can turn a vertical motion into a horizontal motion?
100
You can use a ______ instead of using a car. a) Motorbike b) Back c) Bike
What other transportation method can you use instead of a car?
200
A _____ is an object that a pulley lifts. a) Book b) Load c) Object
What is a object that a pulley lifts called?
200
Two gears will spin in a ______ direction. a) same b) different
What direction will two gears spin in?
200
A _____ pulley stays in one place. a) Movable b) Fixed
What type of pulley stays in one place?
200
A Rack and a _____ help tighten a buckle. a) Spur b) Bevel c) Pinion
What type of gears help tighten a buckle?
200
You can use a hand ________ instead of a electric one. a) Crank b) lamp c) Sharpener
What other type of sharpener can you use instead of a electric one?
300
When you pull down, the load goes __. a) Down b) Up
What direction will the load go when you pull down?
300
A _____ is the input component of a sharpener. a) Hand b) Handle c) Bar
What is the input component of a sharpener?
300
A _____ pulley stays in one place. a) Movable b) Fixed
What type of pulley stays in one place?
300
A _____ gear can turn a spur gear, but a spur gear cannot turn it. a) Worm b) Bevel c) Rack
What type of gear can turn a spur gear, but a spur gear cannot turn it?
300
You can use a _____ lamp instead of a electric one. a) hand b) Crank c) spin
What type of lamp can you use instead of a electric one?
400
Some things use _____ instead of rope so it doesn't break! a) wire b) rope c) Cable
What other material can you use other than rope so it doesn't break?
400
Sometimes, gears get stuck because there's too much ____. a) air b) friction c) glue
Why do sometimes gears get stuck?
400
You can use less force to pull a _____ pulley. a) Movable b) fixed
What type of pulley can you use that needs less force to be pulled?
400
A ______ gear turns a bike's wheels. a) Worm b) Spur c) Pinion
What type of gear turns a bike's wheels?
400
You can use a ___ to save energy and cut wood. a) blade b) Saw c) Hammer
What type of hand tool can you use to cut wood?
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