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How do you measure a Suddenly, measuring Mount Everest is a The height of the In 1999 Mount Everest
mountain? If mountains looks like a peak in the Himalayas. Himalayas is an average measured 29,035 feet
difficult job! So how is The Himalayas are a
mountains were shaped range of mountains on of 27,000 feet. And high, the tallest
in straight lines, it it done? the continent of Asia. the mountain range is mountain on Earth.
would be easy. Today, scientists use
And it wasn’t exact sonar, or sound waves, still growing! People who use GPS
In the past, it was not because the tides Knowing that, and using never have to worry
easy to measure the raised and lowered the to measure ocean about finding their way
depth of the ocean. depth. The sonar sends the timer, scientists
Sailors tied a heavy water level! can tell how far the out of deserts.
weight to the end of a a “ping” sound to the sound traveled to reach
The car’s odometer can bottom of the ocean. the ocean bottom. To find an earthquake’s
rope. give you the answer! exact location,
Scientists can pinpoint an By measuring the time it has
Suppose that you’re driving The odometer is earthquake’s location by taken the waves to travel, scientists measure the
with your family to see attached to a car’s the seismograph can tell earthquake’s distance
using seismographs, how far away an earthquake
some waterfalls. You know axle. instruments that measure happened. from three cities.
that the trip is one hundred The softest mineral in It keeps track of how
the world is talc. You earthquake waves. This scale uses certain
miles long. can crush it easily in minerals as examples of many times the car
Even so, our measuring different hardnesses. wheels rotate, or turn,
There are many natural your hand! instruments give us a
things that you can snapshot of many of Knowing that, and using on the axle.
measure other than The Himalayas are Earth’s measurements the timer, scientists
growing and changing. as they are right now. can tell how far the When the signal was
mountains, oceans, and The depths of the oceans Sound travels about picked up, the
earthquakes. are increasing and 5,000 feet per second sound traveled to reach computer in the
decreasing. the ocean bottom.
When scientists study a in water. receiver was able to
mineral, they measure its figure out the exact
height of the mountain!
size, weight, and
hardness.
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The changes in the air Meteorologists are A weather vane swings As air pressure Thermometers, weather
are called weather. people who measure around in moving air. changes, the weather vanes, anemometers, rain
changes. We measure gauges, yardsticks, and
Temperature is the these changes. Strong storm winds can barometers all measure
warmth or coldness of affect the ocean’s air pressure with a
Temperature is tides! barometer. weather!
the air. measured in degrees
Rain and snow are The air is never totally
Celsius or degrees measured in inches. You dry, even in deserts.
Fahrenheit. can measure rain with a There is always some
water in the air.
rain gauge.
You can feel changes in The freezing point on a An anemometer is one A north wind is coming After a rainstorm, use
the air’s temperature. Fahrenheit instrument that from the north. a ruler to measure the
Our bodies sweat when depth of the water in
thermometer is 32 measures wind speed.
we are feeling hot. degrees. the can.
We use thermometers A wind is named for Chimney smoke rises You can see water in You can outrun that
to measure air the direction it is straight up in wind that the misty air near wind easily! But winds
temperature. on a mountain peak are
coming from. blows less than one waterfalls. You can see
mile an hour. it in a foggy harbor. much stronger!
On a Celsius Its arrow end points in The cups on an A scientist uses an Snow blows off the
thermometer the the direction the wind anemometer spin when anemometer in Matterhorn in
freezing point is 0 they catch the wind. Antarctica. Switzerland.
is coming from.
degrees. block to read.
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Published each year, An ostrich egg tipped For example, the book Mr. Jeffries, a basset If it has been
this book is a the scales at five lists India’s Meghalaya hound, had his ears accepted, your record,
pounds, two ounces.
compendium of trivia. state as the rainiest measured in 2002. Each ear if set, may be in
place on Earth. measured over eleven inches Guinness World
from base to tip. Records!
It’s exciting when
Trivia are fun and Finally, just how cold If they can prove to That’s the current record, someone attempts to
amusing facts. was the coldest Guinness World Records but if there were a dog with break an existing
that the hailstone weighs larger ears, a ruler could be
temperature ever? more, then their hailstone record.
will set the new record for used to prove it.
A compendium gives a Which bird can fly the heaviest hailstone. An accomplishment is
lot of information in a faster, the golden A procedure is the something special that
small amount of space. plover or the grouse?. Once Guinness World steps you take to do
Records verified, or made you or someone else
Things that are That means the certain of, the hailstone’s something. has done.
superlative are the heaviest bird egg was size, the record was put in
almost six thousand The form asks you to No matter what, you
most, or -est, of times heavier than the the book. describe your idea. It is shouldn’t feel
anything. important that you use as
lightest! What you won’t find in many details as possible in disappointed if your
According to the book, The book says it hit - Guinness World idea is not accepted.
the biggest spider ever your description
was found in 1965. It 128 degrees Records are records One of your ideas may
measured eleven inches Fahrenheit in that required people to When Guinness World lead to a record
Antarctica in July Records writes back to
risk their lives. printed in Guinness
you, you will know if World Records!
More than 100 million copies your idea has been
of the book have sold in 100
countries, and the book has
been translated, or
rewritten, into thirty-seven
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across. 1983. different languages. accepted.
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