Simple Machine
All machines need this to function
What is energy?
It is used for transportation?
EX: a bicycle
What are a wheel and axle?
Complex machines are made from ______
What is two or more simple machines?
The creation of this invention led to the Industrial Revolution
What is the steam engine?
This machine uses electric signals to send finger taps
What is the telegraph?
It is used to lift things up,
EX: a lift
What is a pulley?
It is used to push and object up and down
EX: seesaw
What is a lever?
Most complex machines need ______ to function
What is electricity?
In 1885 this replaced the horse and carriage
What is a car?
This was invented in 1804 and changed transportation
What is the steam train?
This is used to move things up and down between different levels
EX: An escalator
What is an inclined plane?
It is used for cutting and pushing things open
EX: Staple
What is a wedge?
The three types of simple machines that make up a bicycle
What are
1. Pulleys
2. Levers
3.Wheel and Axle
These use electricity and no longer pollute the environment
What are modern trains?
Invented in 1903, this mode of transportation can go 1.000 kilometers an hour
What is an aeroplane
It is used to join two things together
EX: A colacao bottle
What is a screw
A curtain is this type of simple machine
What is a pulley?
Name one complex machine that doesn´t use electricity
What is a: bicycle, stapler, can opener, scissors, etc?
These two inventions are better for the environment than their older versions
What are modern trains and hybrid cars?
This invention converts sound into electrical signals
What is the telephone?
Simple machines get their energy from ____
What is the person using them?
A broom is this type of simple machine
What is a lever?
A complex machine must ____ __ _______ ____ than the simple machines it it made from.
What is perform a different function?
This invention from the year 2000 acts as a telephone and a computer
What is a smartphone?
These two inventions got rid of the need for a horse and carriage
What is the car and the telephone?