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Activity
National Council of Teachers of Mathematics

Over the Hill

For Teachers 9th - 12th Standards
Can you hear me from there? Pupils determine the place to build a cell tower on a hill. The class uses constraints and creates a scale drawing on a coordinate system to calculate the exact location of the base of the cell tower.
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Activity
Broadway Teaching Group

Acting the Song

For Teachers 6th - Higher Ed
Get to know the meaning behind the song "Somewhere Over the Rainbow" from the legendary 1939 film The Wizard of Oz. Groups of two take the roles of performer and questioner. Performers sing lines of the song while questioners interrogate...
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Lesson Plan
DiscoverE

Build a Bridge

For Teachers 6th - 12th
Cost overruns are unacceptable—in the real world and in an engaging activity. Groups of pupils get together to build a bridge out of straws, paper cups, and tape. They keep track of costs ($1,000 for each material) and must stay within a...
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Lesson Plan
DiscoverE

Product Dissection

For Teachers 6th - 12th
Sometimes, taking things apart is more fun than putting things together. Groups of learners participate in a reverse engineering activity. They dissect a device of their choosing to see how it works—great hands-on learning from the...
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Lesson Plan
DiscoverE

Harmless Holder

For Teachers 6th - 12th
Here's a lesson that's not for the birds! Scholars design and build packaging for soda cans that is environmentally friendly. These packages must be durable, easy to carry, and have no environmental impact.
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Lesson Plan
DiscoverE

Siphon Pump

For Teachers 6th - 12th
Defy the laws of gravity. A simple activity has learners create a siphon pump for water. The challenge is to get water to flow upwards through a tube.
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Activity
DiscoverE

Hold Your Water

For Teachers 6th - 12th
Let's hope there are no leaks. Pupils work together in groups to build a device that will keep as much water as possible in a cup. After being dropped from a height of seven feet! Time to haul out the ladder.
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Activity
DiscoverE

Slinky® Science

For Teachers 6th - 12th
Toys are great for learning about physics. Scholars use Slinky® toys to study Newton's laws of motion and types of energy. After a little play, they then model longitudinal and transverse waves with the Slinky® toys.
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Activity
DiscoverE

First You See It, Then You Hear It

For Teachers 6th - 12th
Light and sound go hand in hand. Pupils set up a system that will emit sound when a laser is directed at a photodiode. Various objects, such as a comb and talcum powder, allow for modulation of the laser beam. Individuals also...
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Activity
DiscoverE

Build a Better Boomerang

For Teachers 6th - 12th
This isn't the boomerang you're used to. Scholars first see how a commercial boomerang works. They then cut out a four-wing boomerang and test its flight to compare it to that of the commercial boomerang.
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Activity
National Council of Teachers of Mathematics

Cash or Gas?

For Teachers 9th - 12th Standards
Which option provides the best payout? Pupils predict which lottery prize to take. They devise a method to calculate which prize would likely provide the greatest monetary value.
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Activity
National Council of Teachers of Mathematics

Bank Shot

For Teachers 9th - 12th Standards
Bank on geometry to line up the shot. The resource asks the class to determine the location to bank a cue ball in a game of billiards. Using their knowledge, class members determine where to hit the bumper to make a shot and discuss...
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Activity
National Council of Teachers of Mathematics

Taking a Spin

For Teachers 9th - 12th Standards
It does not divide into 360 evenly, so it cannot work. The resource extends pupils' thinking about rotational symmetry. By asking for a figure with a rotational symmetry of a seemingly impossible angle, the activity requires learners to...
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Activity
National Council of Teachers of Mathematics

Eruptions: Old Faithful Geyser

For Teachers 9th - 12th Standards
How long do we have to wait? Given several days of times between eruptions of Old Faithful, learners create a graphical representation for two days. Groups combine their data to determine an appropriate wait time between eruptions.
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Activity
DiscoverE

The Power of Graphene

For Teachers 6th - 12th
When you think electric circuits, your pencil probably isn't the thing that comes to mind. A simple experiment lets learners test whether the graphene in pencil lead is a conductor or an insulator. If the LED bulb lights up, a conductor...
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Activity
DiscoverE

Building Begins with a Beam

For Teachers 6th - 12th
A sturdy beam made of foam seems like an oxymoron. Scholars design a 48-inch beam that can hold a one-pound weight. The beam should be sturdy enough so it doesn't bend too much. If it does, the egg placed underneath the beam will break.
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Activity
DiscoverE

Let Your Lights Glow

For Teachers 6th - 12th
Put those old holiday lights to good use. Individuals use a section of ornamental lights to create electric circuits. If the lights glow, it's a success; otherwise, it's time to try again!
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Activity
DiscoverE

Solar-Heated Water

For Students 6th - 12th
Heat up some interest in solar energy. Young engineers create a water heater that runs on solar power (simulated by a lamp). Using thermometers, they determine the change in temperature before and after the water goes through the heater.
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Activity
DiscoverE

Helping Hand

For Students 6th - 12th
Sometimes we all need a helping hand. Scholars get together to lend a hand in creating an assistive device that must be able to grab a hard-to-reach object. Now that's some help we could all use!
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Activity
DiscoverE

A Leg to Stand On

For Students 6th - 12th
Give your learners a leg up in their study of engineering. Groups design and create a prothestic for a leg. They test out their designs for strength, stability, durability, and comfort.
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Activity
DiscoverE

Emergency Shelter

For Students 6th - 12th
Save yourself! Groups create a sturdy emergency shelter out of bamboo. The shelter must be large enough to fit one person. Now the most important question: Which member of the group gets to use the shelter in an emergency?
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Activity
National Council of Teachers of Mathematics

Tidal Waves

For Teachers 9th - 12th Standards
Periodically ship the class a trigonometric application. Pupils model the level of water in a port. Using their models, learners determine the times that a ship can safely navigate into and out of the port, along with determining other...
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Activity
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Mr. Beem's Social Studies

Civil Rights Project: The Long Civil Rights Movement

For Students 9th - 12th Standards
Investigate milestones along the path that lead to the American Civil Rights Movement of the 1960s. After researching key people, events, court cases, and legislative orders, teams present their findings as a magazine, newspaper, or...
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Activity
PBS

The Roosevelts: An Intimate History—Snapshot Lessons

For Teachers 7th - 12th Standards
The Roosevelt family was one of the most influential and prominent political forces in the 20th century, leaving behind a wide-ranging legacy of conservation, progressivism, and economic growth. Learn more about President Theodore...