Learners discuss the types of technology that are used to control the population of sea lamprey in the Great Lakes. They explain the parasite/host relationship and understand the devastating impact invasive species have on ecosystems....

Introduce your class to to the remaining three simple machines-- the lever, pulley, and the wheel-and-axle with a plan that includes the three different types of levers in the discussion of levers. The lesson continues with the...

Pairs work together to determine whether unknown solutions are either acids or bases by using a red cabbage indicator solution. After determining the general pH of the unknown solution, classmates blow into the same indicator after...

How does dirty water get clean enough to drink? After viewing a PowerPoint that outlines the process water goes through at a water treatment plant, groups work together to design a chlorination chamber for a treatment plant.

I need something to test. The three sessions in this lesson plan have individuals build and test a prototype of their design. The first two sessions are devoted to prepping for the prototype by drawing up specifications and materials....

You don't have to be a Minecraft wiz to know that this app has great playability for your learners! As afterschool programs and classroom projects around the world demonstrate, this game goes well beyond placing blocks and traditional...

Large or small, bridges are architectural wonders! Construct a large-scale cable-stayed bridge during a whole class project. Scholars work in groups to erect the towers, build the roadway, and secure the cables of their very own bridges....

Manufacture a great lesson on industrial manufacturing. A fun resource has learners use the production of pens to consider how assembly lines work. They write out a set of instructions for assembling a pen, test it out, then determine if...

Young citizens construct an understanding of urban planning in this cross-curricular unit. Covering every aspect of city development from the political, economic, and social influences to sustainable building practices, this...

With instructions to adapt the activities for any grade K-12, any teacher can incorporate the concept of scale into the classroom with a simple, yet effective lesson.

Sailboat design requires more than a half-circle and triangle sketch. After viewing a slideshow presentation that outlines the requirements for sailboat design, learners draw a design, perform the needed...

Accept NASA's challenge to design heavy lifting vehicles. Groups of three design balloon-powered rockets to carry as much payload to the ceiling as possible. The teams are encouraged to launch several times while making...

Teams take their cavern designs and build a model from clay or paper mache that can be buried in sand. Testing involves dropping a bowling ball on the buried cavern. Teams dig out their cavern, inspect it for damage, and consider...

How do spacecraft detect magnetic fields? The fourth installment of a five-part unit has learners develop a device with magnets that allows for the detection of magnetic fields. They use a map of an imaginary planet to try out their...

Scholars participate in two design challenges concerning flight in the second instructional activity of the series. They design balloon crafts that have neutral buoyancy and forward motion.

Launch a activity on flight with a challenging resource that asks scholars to first brainstorm and test ways to move a ping pong ball with given materials, then apply the results to design a launcher for them.

It's okay to play with your food—just this once! Scholars design and create meshes and chutes to sort pasta by size and shape. They test their designs and make improvements as necessary.

Build a trophy and be a winner. Pupils build trophies that can support a sports ball of their choosing. Based on the ball choice, they figure out how the height requirement changes.

Give household materials new life by turning them into a plankton net. Scholars design and build a net to collect and filter plankton from water. They test out their creations by using glitter to represent plankton. The nets need to...

Watch your classroom turn into an arcade. Pupils work in groups to build pinball machines from boxes and other found objects. Gamers must incorporate a variety of obstacles and launchers into the machine to see their designs in motion.

You'll dance for joy at finding a helpful resource. Learners use their knowledge of electric circuits and currents to create a dance pad. Buzzes or flashes should occur when dancers step on the dance pads—a sure sign they have all the...

Will your next buoyancy lab rise to the occasion? Make a splash with action figure divers! Teams of young physicists explore the relationship between mass and buoyancy by adding weights or balloons to achieve a diver that neither sinks...

Do domed structures have advantages over their less-than-spherical counterparts? Junior architects explore the pros and cons of domes through a design challenge. Teams work together to plan, sketch, build, and test domes created from an...

Help your class become laser focused on the connection between sound and light. Scholars set up mirrors to bend and direct lasers that are connected to a music source. Music should start playing when the laser hits the photoresistor.