Discovery of Sound in the Sea
How to Build a Hydrophone
The materials and procedures for building a hydrophone, an underwater sound collecting device, are provided in this resource. Have high school oceanographers construct the underwater microphone to pick up sound waves. Then take them out...
Chymist
Make a Low Energy Radio Transmitter
How do you demonstrate radio transmissions? Pupils build a low-energy radio transmitter by constructing two coils from magnet wire and connecting them to audio/phone plugs. The resource provides the details on how to build the...
Curated OER
Soldering
In this soldering activity, students answer 13 questions related to soldering, soldering irons, soldering guns and the proper process for soldering metals together.
Curated OER
AM I on the Radio?
Students create a working radio by soldering circuit components supplied from an AM radio kit. They demonstrate an efficient soldering technique, identify the circuit components used to construct their radio, and explain how their radio...
Curated OER
Analog to Digital Conversion
In this electrical circuit worksheet, students answer a series of 18 open-ended questions about analog to digital converter circuits. They analyze schematics in order to answer the questions. Students design and build an analog to...
Institute of Electrical and Electronics Engineers
Radio Reception and Transmission
After reading about radio transmission, application, and the difference between AM and FM, small teams of engineers use a kit to construct an FM radio and then send and receive broadcasts. This is an ideal activity for middle school STEM...
Curated OER
Electrical Connections
In this electrical connections worksheet, students answer 13 questions about conductance, resistors, how to build a circuit and electrical connections.
It's About Time
Metals and Nonmetals
Did you know you can melt the metal gallium with just the heat of your hand? Pupils observe and test materials in order to classify them as metal or non-metal. A reading passage and analysis questions wrap up the lesson.
Curated OER
Printed Circuit Board Layout and Manufacture
In this electrical learning exercise, learners answer a series of 7 open-ended questions. Students explain the use of terms used in circuit board layout and manufacturing in order to answer the questions. This learning exercise is...
Curated OER
Lemon Batteries Revised
Fifth graders investigate how chemical energy in food and batteries is potential or stored energy. They discuss how batteries function, and create a class list of different forms of energy. Students then create a lemon battery that...
Curated OER
Design Project: DC Voltage Regulator
In this electrical worksheet, students draw a schematic design and build a circuit board to grasp the understanding of DC circuits before answering a series of 5 open-ended questions. There are no schematics available for the design or...
Curated OER
Circuits
Students draw a schematic diagram of parts needed to build an op-amp. In this physics lesson, students test the operation of their machine. They graph and analyze data using excel.
Curated OER
Red Shift, Blue Shift
Middle schoolers demonstrate how stellar spectra measures a star's motion relative to Earth along the line of sight.
Curated OER
Lithography Techniques/Making a Printed Circuit Board
Students create an electronic schematic on their PCB. In this physics lesson, students solder and assemble electronic components. They research the function of these components and share their findings in a group.
Curated OER
Are You Being Poisoned by Your Dishes?
Students explore lead poisoning and how it relates to ceramic dishes. They perform an experiment to discover if any of your ceramic ware is leaching lead which might cause lead poisoning.
Curated OER
Lead Poisoning and Ceramic Dishes
Students explore the amount of lead in ceramic plates through an experiment. Students determine if everyday dishware is leaching lead into food. They chart their results and discuss how much lead in ceramic dishware may cause lead...
Curated OER
Swamp Thing
Students create a build-it-yourself boat that runs on two small electric motors. Swamp Thing has an electronic brain that can be controlled and steered with a flashlight.