n. a piece of equipment
Some things are easy to measure. Just use a simple tool, and read the measurement.
collect
v. to get and keep things of one type
After measuring many dead whales and collecting a lot of information, scientists can figure out the approximate proportions of a whale.
approximate
adj. close in value or amount but not exact
After measuring many dead whales and collecting a lot of information, scientists can figure out the approximate proportions of a whale.
proportion
n. a part in comparison to the whole
After measuring many dead whales and collecting a lot of information, scientists can figure out the approximate proportions of a whale.
size
n. how large or small something is
Scientists use this information to know about the size of living whales.
estimate
n. a best guess of the size, value, or amount
Then, they make an estimate of the length and weight of the animal.
bring
v. to come with something to a place
Scientists can’t bring a measuring tape underwater and check the size of a living whale.
massive
adj. very large
But a massive animal, like a whale in the ocean, can’t be measured easily.
creative
adj. good at thinking of new ideas and making interesting things
Scientists need to find creative ways to use math to measure these big animals.
whale
n. a very large animal is a mammal and lives in the ocean
To measure whales, scientists usually start by studying dead ones.
dead
adj. not now alive
Sometimes, the body of a dead whale washes up on a beach.
underwater
adj. under the surface of water
It is not underwater, and also not moving.
manual
adj. done by hand, without electricity
Scientists do manual measurements of these animals.
measuring tape
phr n. a tool used for measuring length or distance
To do this, scientists use tools like a measuring tape or a scale.
scale
n. a device used to measure weight
To do this, scientists use tools like a measuring tape or a scale.
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