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Robertson, Bill – Science and Children, 2017
Why Does It Take Longer to Boil Potatoes at High Altitudes? This column provides background science information for elementary teachers. This month's issue looks at why water boils at different temperatures at different altitudes.
Descriptors: Elementary School Science, Science Instruction, Science Activities, Learning Activities
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Robertson, Bill – Science and Children, 2017
This column provides background science information for elementary teachers. This month's issue discusses the rotation of the moon. The author investigates what would happen if the moon did not rotate and addresses exactly why the Moon does what it does with respect to rotation.
Descriptors: Astronomy, Science Teachers, Elementary School Science, Physics
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Robertson, Bill – Science and Children, 2017
Everyone has an aunt or grandfather or other relative who can tell when the weather is changing because his or her joints start to ache or an old injury begins to hurt. This column provides background science information for elementary teachers. This month's issue focuses on three major weather factors and how they affect the human…
Descriptors: Science Instruction, Human Body, Weather, Injuries
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Robertson, Bill – Science and Children, 2017
The answer to this month's question, "Can electromagnetic waves affect emotions," is yes. Wherever there are electromagnetic (EM) waves (basically everywhere!), there is the potential for them directly or indirectly to affect the emotions. But what about the likely motivation behind the originally-posed question? Can EM waves affect your…
Descriptors: Scientific Concepts, Scientific Principles, Science and Society, Physics
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Robertson, Bill – Science and Children, 2017
This column provides background science information for elementary teachers. This month's issue discusses the science behind self-driving cars, but first explains how a car "with" a driver works.
Descriptors: Science Instruction, Elementary School Science, Lasers, Computers
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Robertson, Bill – Science and Children, 2016
Bill Robertson is the author of the NSTA Press book series, "Stop Faking It! Finally Understanding Science So You Can Teach It." In this month's issue, Robertson describes and explains the Heisenberg Uncertainty Principle. The Heisenberg Uncertainty Principle was discussed on "The Big Bang Theory," the lead character in…
Descriptors: Science Instruction, Teaching Methods, Scientific Principles, Elementary School Science
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Robertson, Bill – Science and Children, 2016
Having written columns dealing with science fairs before, Bill Robertson notes that it's been a long time since he has tackled the subject of what passes for a "science fair" in schools these days. Because science fairs have changed over the years, Robertson revisits the topic and explains the scientific method. The main focus of the…
Descriptors: Science Instruction, Student Projects, Science Fairs, Scientific Methodology
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Robertson, Bill – Science and Children, 2016
Since nearly every science curriculum in the country contains a section on living and non-living things, Bill Robertson believes that pretty much anyone who has taught the subject has run into difficulties. It seems as if no matter what criteria you use to distinguish between the two you can nearly always find exceptions. This article provides a…
Descriptors: Science Instruction, Elementary School Science, Science Curriculum, Criteria
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Robertson, Bill – Science and Children, 2016
This column provides background science information for elementary teachers. This month's issue helps teachers to understand color mixing so that they can teach this information to students.
Descriptors: Color, Science Instruction, Elementary School Students, Elementary School Teachers
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Robertson, Bill – Science and Children, 2016
This column provides background science information for elementary teachers. This month's issue discusses electromagnetic waves.
Descriptors: Science Instruction, Earth Science, Teaching Methods, Elementary School Students
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Robertson, Bill – Science and Children, 2016
This column provides background science information for elementary teachers. Many innovations with computer software begin with analysis of how humans do a task. This article takes a look at how humans recognize spoken words and explains the origins of speech-recognition software.
Descriptors: Word Recognition, Courseware, Computer Software, Speech Communication
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Robertson, Bill – Science and Children, 2015
This task asks readers to figure out why when you stir a cup of hot liquid and tap on the side of the cup with a spoon, the pitch of sound starts low and ends up high. The solution to last month's tasks relating to the circumference of the Earth and how many stars are in the (visible) sky is also presented.
Descriptors: Science Activities, Science Instruction, Elementary School Science, Scientific Concepts
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Robertson, Bill – Science and Children, 2015
In this article, author Bill Robertson attempts to help readers understand some of the Earth's heating and cooling mechanisms and how they relate to global warming. Figures are provided to help facilitate learning.
Descriptors: Science Instruction, Elementary School Science, Earth Science, Heat
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Robertson, Bill – Science and Children, 2015
This column provides background science information for elementary teachers. This month's issue takes a deeper look at the four known forces in the universe.
Descriptors: Science Instruction, Elementary School Teachers, Pedagogical Content Knowledge, Physics
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Robertson, Bill – Science and Children, 2015
This column provides background science information for elementary teachers. When the author was young he used to think that the ideal design for a concert hall would contain walls that were composed of sound-absorbing material, like foam or egg cartons or such. He noticed, though, that this was not the case. Most concert halls contain curtains…
Descriptors: Acoustics, Engineering, Music, Science Instruction
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