A two-part lesson introduces young historians to the work of famous African American inventors. Groups first research and develop a presentation of an inventor that includes biographical information and information about one of their...

Fourth graders explore how engineers transform wind energy into electrical energy by building their own miniature wind turbines and measuring the electrical current it produces. They see how design and position affect the electrical...

Fourth graders develop an understanding of how engineers use wind to generate electricity. They will build a model anemometer to better understand and measure wind speed. They discover that engineers design wind turbines that generate...

Elementary schoolers discover how engineers use solar energy to heat buildings. They take a close look at some of the materials used: sand, salt, water, and shredded paper and evaluate the efficiency of each material. An incredible...

Here's an exciting and innovative lesson that's sure to get your charges fired up! In it, they use engineering design principles to construct and test a fully solar powered car. One caveat: the kits that each group needs to make their...

Learners build their own two-cell battery and determine which electrolyte solution is best suited for making a battery. They discuss background information for their experiment, construct and test their battery, and using the chart on...

Warm up to the idea of solar energy. A lesson includes three activities that challenge scholars to apply knowledge in new ways. First, they learn to run an alarm clock without a battery by using solar energy. Next, they complete an...

Students work to increase the intensity of a light bulb by testing batteries in series and parallel circuits. They analyze Ohm's Law, power, parallel and series circuits, and ways to measure voltage and current.

 In this online worksheet students answer a series of 14 essay or short answer questions explaining the DC generator theory. The correct answer is available to check their responses to each question. The questions vary in...

Your sense of hearing depends upon tiny hairs deep inside your ear and if you lose these hairs, you lose your hearing. Here, groups explore hearing through the decibel measurement of common sounds. As a class, participants discuss...

Students discover that charge movement through a circuit depends on the resistance and arrangement of the circuit components. In a hands-on activity, students build and investigate the characteristics of series circuits. In another...

Learners calculate the power consumption of computers in school. In this physics lesson, students design an experiment to determine whether the school should unplug computers at the end of the day. They collect data and report findings...

In this arc flash and arc blast worksheet, students answer ten questions about the conditions that lead to arc flashes and arc blasts. They describe each and explain how to protect from these occurrences.

In this physics worksheet, students examine how phase-locked loop circuits works and answer 8 short answer questions about it. They explain how FM radio communication works.

In this electronics instructional activity, students build a circuit based on schematic diagram and answer 33 problems about it. They make prediction before testing and compare it with the actual value.

In this electronics worksheet, students build a circuit that can produce desired waveforms. They answer 1 short answer question that follows.

Learners research micro-controllers and complete this 20 question worksheet on micro-controller circuits using schematics. This worksheet is printable and the answers are revealed online.

In this physics activity, students design and build a signal generator. They write a lab report and answer 4 short answer questions about their design.

Students build a device that captures and carries a pet rat safely back to its cage with out "harming" the rat or themselves. They build and experiment with wind-up or battery operated rat cat toys after predicting the outcome of their...

Science Students build a pooper scooper tool that helps them clean up after a dog without getting their hands dirty or their noses too close. They research the diseases that can be transported through animal waste and work in teams to...

Beginning with a discussion about using technology to collect data, this resource includes a video about the next Mars rover as an example. Young scientists are taught that filtering is necessary before collected data can be analyzed....

Using a thermostat is an eco-friendly way to control indoor climate. Young engineers practice building electric circuits by designing and constructing a thermostat. Plenty of background information, a vocabulary list, links to the...

Young hydrologists observe a waterwheel which helps them investigate the transformations of energy that occur when the blades of a hydro-turbine are turning. They work together in pairs and pretend to be engineers who are building a new...

How do engineers turn something that is readily available, like wind, into energy? Scholars create a prototype of a wind turbine and attach it to a motor. They test out their prototypes and decide on their effectiveness. They also...