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Many new products are developed to try to ________ a problem that exists.
tackle
A ______ event such as a tsunami can endanger thousands of lives.
devastating
It’s a ________ material that could dramatically change hundreds of different areas.
revolutionary
Many technological developments eventually become ______ as new products emerge.
obsolete
Many people _______ tap water to make it taste better.
filter
A _____ is a tiny element that is part of an atom, such as an electron, proton, or neutron.
particle
Scientists and product developers often look at the _____ of new materials and how they can be used in different ways.
properties
Much research is done to improve the _____ of things that already exist.
efficiency
Which do you think are the most revolutionary products ever designed?
✓ / X
Why do some products become obsolete?
✓ / X
Why are so many developments focused on efficiency?
✓ / X
Paragraph 1
The most important discovery of the future?
Paragraph 2
Revolutionizing IT and mobile communications
Paragraph 3
Environmental impact
Paragraph 4
Water shortages
Paragraph 5
Medical miracle
