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Junior Solar Sprint Series: Gears and Drive Belts
Activate middle schoolers' minds with this physical science activity. Learners vary the diameter of gears and the number of teeth on them to find how energy output is affected. This writeup features well-developed background information...
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The Gear Game
Students discuss that the conservatin of energy states that the energy imput must equal the energy output. They then figure out how can a machine help you to perform task otherwise considered impossible? Students discuss the six simple...
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Gears and Proportions
Students explore gears. In this simple machines and ratio instructional activity, students view a video clip in which front and rear bicycle gears are explained. From a set of gear combinations and gear ratios, students identify high...
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Gearing Up--Learning About Gears
In this learning about gears worksheet, 5th graders read and discuss a 1 page article on gears, fill in 7 blanks to complete 5 facts about gears and make a set of gears from a template provided in the worksheet.
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Science: The Bicycle as a System
Students explore how the different parts of a bicycle relate to each other and identify the subsystems. They discover how bicycles work and investigate their history. In groups, students research each of the subsystems and present...
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The Bicycle as a System
For this bicycle as a system worksheet, students are assigned a subsystem of a bicycle, such as the wheel, the brakes and steering, or the frame. Each group of students identifies the parts, the function, the input, and the output of the...
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A Bicycle Trip
In this bicycle activity, students learn how the gears of a bicycle transfer energy. This activity has 2 short answer questions and 5 problems to solve.
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Levers and Pulleys and Gears, Oh My!
Students explore the difference between compound and simple machines in this six lessons of this unit. The purpose and importance of a variety of types of simple machines and the effects of friction are investigated.
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Simple Machines
Fourth graders discover the principles and uses of gears noting that they can be used to change the direction of motion or the speed of an object. They may also change the force and/or distance through which an object turns. They then...
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Simple Machines
In this science worksheet, students focus upon the concept of bicycle gears and develop the answers to the 2 questions at the bottom of the page.
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Using "Student Power" to Generate Electricity to Run a Portable Compact Disc Player
Students conclude that magnets and magnetic fields can produce electricity. Students also understand how a small motor works and how gears work. Students describe how energy can transform along a pathway.
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Using "Student Power" to Generate Electricity to Run a Portable Compact Disc Player
Young scholars explain the relationship between magnetism and electricity. In this physics lesson, students describe the transformation of energy. They create an electromagnet and investigate the factors affecting its strength.
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Ring Around the Rosie
Students examine the concept of angular momentum and its correlation to mass, velocity, and radius. They listen to a teacher-led lecture, conduct an experiment with rotational inertia, angular momentum, and rotation speed by making...
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Simple Machines in the Home
Students explore simple machines used in the home. In this simple machines lesson plan, students discover that many household items are constructed from simple machines. Students interact with nutcrackers, peelers, egg slicers, and egg...
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Ring Around the Rosie
Young scholars work together to discover the concept of angular momentum. They participate in experiments in which they test rotation and relate it to an object's mass. They participate in a literacy activity in which they compare...
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Thar She Blows!
Students identify the advantages and disadvantages of wind farms and turbines. They examine how weather conditions can affect their effectiveness and how engineers are trying to solve the problem. They discover how engineers use this...