This article describes different inventions from the nineteenth and twentieth centuries. It tells about the people who thought of the inventions and how they created them. Some of the inventions, such as the periodic table and the transatlantic telegraph, were developed because of advances in science and engineering. Other inventions, like the vacuum cleaner and the washing machine, were successful because they made people’s daily lives easier.
Bloomers for women allowed women to ride bicycles, while jeans were good, strong work pants. Inventions like the safety elevator made life safer. Some inventions, such as the ice pop, were even discovered by accident.
Key Words
• designer: someone who thinks of ideas for making things and then draws them• device: a machine or other small object that does a special job
• elements: simple substances from which everything is made
• invention: something new that is made for the first time
• patent: a document that says you have the right to own or sell an invention
• periodic table: a specially arranged list of simple chemical substances
Academic Words
created = made or invented➡
Alexander Graham Bell created a new way for people to communicate with each other—
the telephone.
function = the purpose of something
➡ The function of a washing machine is to
clean clothes.
significant = noticeable or important
➡
The invention of the computer had a significant
impact on society. We will see the effects of this
invention for many years to come.
technology = all the knowledge and
equipment used in science
➡ As technology has improved, scientists have been
able to develop many new products.
Highlighted Words
- reformer, person who tries to change society
- gathered, tied or tightened
- liberate, free
- hoist, device that lifts and lowers
- telegraph lines, electric wires used to
- financier, person who lends large amounts
- chemist, scientist who studies the interaction
- atomic weight, the mass of a single atom of
- tailor, someone who makes clothes that are measured to fit exactly
- riveted, fastened by small metal bolts
- physics, study of the basic laws of nature
- matter, material that everything is made of
- upholstery, material that covers furniture
- retailer, person who sells goods from a store
- legend, popular, probably untrue, story
- cylindrical, round, but flat at top and bottom
- accountant, person who keeps track of money
- reflectors, pieces of plastic that reflect light
- rubber, stretchy, durable substance used in things like car tires
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