Inventions 3rd Grade Science

Inventions 3rd Grade Science - Transcript

Inventions
3rd Grade Science
90307 T E 4 Evaluate an invention that solves a problem and determine ways to improve the design

Anything new or different in the world made by people is an invention

Inventions are created to help make life easier and better

Lots of invention are ways to have fun or good things to eat

Other inventions are made to solve problems

Many inventions keep people safe

People who create inventions are called inventors Inventors can live anywhere in the world and be any age

Inventors can be anyone that wants to help the world

People have been creating inventions for hundreds of years

Don t give up
Inventors need to plan for a long time and have to try many times before they can get their invention to work the right way

No copy cats
Once an invention works inventors will need to get a patent A patent makes sure that no one can copy their idea A patent means the inventor can sell their invention to make money

Improvements
Inventions can be changed to make them better Changing the design or plan of an invention can help the people who use them

Refrigerator
The refrigerator was invented to help keep food from spoiling in the heat Carl von Linde invented the refrigerator in 1876 Carl von Linde was from Germany

Airplane
Wilbur and Orville Wright spent many years building balloons and kites before they built the first airplane Their invention was very special because it was the first flying machine

Flying Kite

The Flyer
The first flight took place on December 17 1903 and lasted 12 seconds The Wright Brothers plane the Flyer was an important invention because it marked the beginning of human flight

The First Car
Henry Ford wanted to change transportation in the world He designed the first car and used factories to build many cars in a short amount of time
Many people could pay to own one of his Model T cars

New Cars
Cars have gotten faster over the years They cost more money but they are safer than the old Model T cars

Alexander Graham Bell designed the telephone in 1876 He wanted a faster way to talk to others who were not nearby His success allowed for all people to communicate quickly

Telephone

Improving the telephone
Over the years inventors have tried to make the telephone better Phones that cost less let many people own one in their home Cell phones allowed people to take their phone with them wherever they go

Vacuum Cleaner
Many people created several designs for the vacuum cleaner This invention helped clean rugs floors and other dirty areas indoors Over time vacuums have become more powerful and clean better

Louis Braille was blinded as a child and he wanted a way to read He invented a system of raised dots that could be read using the fingers Today this method is still used by people who are blind

Braille

Did you know
August is National Inventors Month The first patent was issued in 1790 to Samuel Hopkins for a new way of making soap Kleenex tissue was first created to be a gas mask to use in World War I Benjamin Franklin created bifocals because he hated wearing two pairs of glasses Toilet paper was invented by Seth Wheeler in New York

Bibliography


http www ideafinder com history inventions refrigera http gardenofpraise com ibdwrigh htm http www nasm si edu exhibitions gal100 wright190 http www first to fly com Adventure Workshop work http en wikipedia org wiki Henry Ford http www ideafinder com history inventions tele phone htm