Students discover recyclable materials and the proper disposal of those items through Internet research. Working in groups of four, they search the Internet for uses of recyclable materials. After research is complete, they participate...

Astronomers practice downloading data from a high-energy satellite and translate the data into colored or shaded pixels. As a hands-on activity, they use pennies to simulate high-energy satellite data and they convert their penny...

Students map and describe a small area of the schoolyard.

Will human population growth always be exponential, or will we find a limiting factor we can't avoid? Young scientists learn about both exponential and logistic growth models in various animal populations. They use case studies to...

Students are introduced to the component's of Ohm's Law. In groups, they practice their problem solving skills by reviewing problems solved earlier. They participate in activities that help them gather information on the importance of...

In this interactive Internet  assignment, physical science investigators answer 11 questions about the atom, the subatomic particles, and atomic structure. They can click on "Reveal Answer" to discover if they are correct. They also...

Students complete calculations involving the structure and properties of matter. They engage in a variety of problem solving activities to help them determine the center of gravity.

In this physics worksheet, students solve 19 problems on rectifying diodes. They answer a series of conceptual questions that can be tested by building the circuit shown.

In this physics worksheet, students complete 17 short answer questions about rectifier circuits. They use the test equipment to check their answers.

In this electrical worksheet, students design and build a circuit board to grasp the understanding of circuit design including clipper and clamper circuits and  before answering a series of 21 open-ended questions that include...

In this physics worksheet students complete a series of short answer questions on different circuitry and how things operate. 

In this Zener diode worksheet, student answers 23 questions about DC current though a zener diode and determine the voltage regulated and resisted. Students can access answers online.

In this electrical circuit worksheet, students draw a schematic design and build a circuit board to grasp the understanding of diodes. Students answer a series of 8 open-ended questions. This worksheet is printable and there are on-line...

In this electrical worksheet, students draw a schematic design and build a bipolar transistor to grasp the understanding of bipolar junction transistor theory before answering a series of 28 open-ended questions. Students analyze...

In this physics activity, students analyze different schematic diagrams and answer the questions that follow. They solve and write short answers to 23 questions on circuits.

In this electronics learning exercise, students analyze electrical circuits to answer 21 short answer and problem solving questions about bipolar transistors.

Within this electrical circuit worksheet, students draw a schematic design and build a transmitter to grasp the understanding of bipolar junction amplifiers before answering a series of 62 open-ended questions in which they will...

In this electrical circuit worksheet, students draw a schematic design and build a transmitter to grasp the understanding of bipolar junction transmitters before answering a series of 12 open-ended questions by analyzing schematic...

In this worksheet, students answer 15 questions as they build and analyze circuits.  Students may check answers if working online.

In this electrical circuit worksheet, students draw a schematic design and build a circuit board to grasp the understanding of insulated gate field effect transistors before answering a series of 39 open-ended questions that include...

In this electronics worksheet, students draw a schematic design and build a circuit board to grasp the understanding of IGFET amplifiers before answering a series of 2 open-ended questions with schematics. This worksheet is printable and...

In this oscillator circuits activity, students answer 49 questions about different types of oscillator circuits. They find the operating frequency of circuits, they identify the functions of specific sections of circuits and they write...

In this electrical activity, students draw a schematic design and build a circuit board to grasp the understanding of power conversion circuits before answering a series of 30 open-ended questions including analyzing schematics. This...

In this electronics learning exercise, students explore the properties of semiconductors to complete 17 short answer and problem solving questions.