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Try the annual Engineering Challenge from Science Buddies! Open to all students worldwide, a new challenge and prizes are announced every January. Explore the current challenge as well as ones from past years!
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Over 1,200 free science projects searchable by subject, difficulty, time, cost and materials. Browse the library or let us recommend a winning science project for you!
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Free Topic Selection Wizard, science fair project ideas, step by step how to do a science fair project, Ask an Expert discussion board, and science fair tips for success.
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Over 1,200 free science projects searchable by subject, difficulty, time, cost and materials. Browse the library or let us recommend a winning science project for you!
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A collection of STEM activities to assist with science education and learning activities.
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What is the Scientific Method?
The scientific method is a process for experimentation that is used to explore observations and answer questions.
Do all scientists follow the scientific method exactly?
No. Some areas of science can be more easily tested than others.
For example, scientists studying how stars change as they age or how dinosaurs digested their food cannot fast-forward a star's life by a million years or run medical exams on feeding dinosaurs to test their hypotheses.…
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Fun hands-on STEM activities (science, technology, engineering, and math) activities for kids of all ages.
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In this engineering challenge, you will build a car powered by nothing but a rubber band. The farther the car goes, and the fewer materials you use to build it, the higher your score. Enter your score in the 2024 Science Buddies Engineering Challenge for a chance to win prizes! Teachers, lesson plan versions of this challenge are also available.
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Browse our collection of free science experiments which are easy to set up, and perfect for home or school.
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7-bit ASCII Character Codes
The ASCII table contains letters, numbers, control characters, and other symbols. Each character is assigned a unique 7-bit code. ASCII is an acronym for American Standard Code for Information Interchange.
Decimal
Octal
Hex
Binary
Value
Description
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