what skills do scientists use
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What skills do
scientists use?
Sep 2013 Ch 1 Lesson 2
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Science
Skills
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Scientists use process skills to learn about objects, places, or events.
Observation is a process skill.
Observe = When you use your five senses to find out about something.
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Your senses include
sight hearing
touch taste
smell
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Scientists often use tools to make observations.A satellite is a tool that helps scientists observe Earth`s weather.
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Data from satellites are often displayed on weather maps.
Hurricanes are strong storms.
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Weather map
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Estimate and Measur
e
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Scientists sometimes estimate when they make observations.
Estimate to make a careful guess.A scientist might feel the wind pushing hard against his body.
He might estimate that the wind is blowing about 70 or 80 kilometers per hour.
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To find the exact wind speed, the scientist would make a measurement.
A measurement = a number that tells how much or how many.
Scientists often use tools to measure.
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Anemometer is a tool that measure the speed of the wind.
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Infer and
Predict
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Some data and observations are facts. For example,the statement
‘’The wave crashed into the pier’’ fact
you can use facts to infer, or draw a conclusion.
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Scientists infer what they think is happening based on: 1 - what they observe (or) 2 - prior knowledge.
For example,
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A scientist observing the waves in the picture might infer that a hurricane is coming on shore.
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Observations also can help you to predict.Predict = tell what you think will happen in the future.
For example,
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A scientist might predict that the waves will get bigger as the hurricane gets closer to shore.
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Interpret and
Explain Data
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Scientists work together to interpret their data and form scientific explanations. : observations, inferences, prior knowledge, measurements, and
data from an investigation .
A good explanation uses:
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Scientists are trying to develop the ability to forecast when hurricanes will form.
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They use:
observations weather data their knowledge of past storms to predict where hurricanes will strike and how strong they will be.
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