Search Results


Showing results 821 to 840 of 1127

Source Institutions
Add to list Details
Have you noticed the plastic rings that are used to hold six-packs of soda? Those rings are great for carrying cans, but they're real trouble when they become trash that animals can get tangled in.

$1 - $5 Ages 8 - 14 45 to 60 minutes
Source Institutions
Add to list Details
In this activity, learners explore how civil engineers solved the challenge of moving water via irrigation.

Over $20 per group Ages 8 - 18 1 to 2 hours
Source Institutions
Add to list Details
A design challenge that takes paper airplanes into an entirely different direction: a magnus glider uses cups and and rubber bands to create a glider that uses the same forces that a curveball (from b

1 cent - $1 per student Ages 4 - adult 10 to 30 minutes
Source Institutions
Add to list Details
In this activity, learners explore the concept of how brakes can stop or slow mechanical motion.

$5 - $10 per group Ages 8 - 11 45 to 60 minutes
Source Institutions
Add to list Details
In this engineering activity, challenge learners to build a tower out of 10 sheets of newspaper and 3 feet of masking tape, which can hold a golf ball balancing at the top.

1 cent - $1 per group Ages 6 - 11 10 to 30 minutes
Add to list Details
In this activity (on pages 49-54 of PDF), learners play with tangrams, a set of triangles, squares and a parallelogram that can combine into a larger square as well as all sorts of other shapes.

1 cent - $1 per student Ages 4 - adult 45 to 60 minutes
Add to list Details
In this data activity, learners analyze data from coral reef snapshots taken by scientists at the Virginia Institute of Marine Science.

free Ages 11 - 18 45 to 60 minutes
Source Institutions
Add to list Details
Learners follow directions to construct a solar oven that really cooks! The solar oven uses aluminum foil to reflect sunlight into a cooking chamber, which is painted black.

$10 - $20 per group Ages 11 - 18 2 to 4 hours
Source Institutions
Add to list Details
In this activity, learners will explore how and why weight distribution works.

$1 - $5 per group Ages 4 - adult 10 to 30 minutes
Source Institutions
Add to list Details
Is a square stronger than a triangle? Use tongue depressors to build simple shapes. Then apply a little weight to them and see what happens!

1 cent - $1 per student Ages 4 - 8 5 to 10 minutes
Source Institutions
Add to list Details
In this activity, learners will put a set of containers in order by capacity. Would the tallest container hold more or less water than the wide, short one?

free Ages 4 - 14 5 to 10 minutes
Source Institutions
Add to list Details
Use this activity to build division and number sense into any snack time or whenever there is a limited set of things to share among a group: If we deal these out, could everyone get two pieces?

1 cent - $1 per group Ages 4 - 14 5 to 10 minutes
Add to list Details
In this hands-on activity, learners investigate the functional design of leaves on a tree.

$1 - $5 per group Ages 8 - 14 1 to 2 hours
Source Institutions
Add to list Details
In this design challenge, learners build a boat that paddles itself using a rubber band as its power source.

$1 - $5 per student Ages 8 - 14 30 to 45 minutes
Source Institutions
Add to list Details
In this activity (located on page 10 of the PDF), learners explore the properties of spraying and dripping water, while making art.

$5 - $10 per group Ages 4 - 8 10 to 30 minutes
Source Institutions
Add to list Details
In this design challenge activity, learners invent a device that will make their friends and family ask, "What's buzzing?" Learners design an alarm with an on/off switch that is small enough to hide.

$5 - $10 per student Ages 8 - 14 10 to 30 minutes
Source Institutions
Add to list Details
Wheels aren't the only things that can "roll" objects that are placed on top of it. Make non-intuitive shapes from cutouts and a compass to demonstrate this.

1 cent - $1 per student Ages 6 - 18 5 to 10 minutes
Source Institutions
Add to list Details
Learners use their opponent's clues and a compass rose to find the hidden treasure on a map. Learners use problem solving and coordinate grid skills as they hunt for treasure.

1 cent - $1 per group Ages 8 - 11 5 to 10 minutes
Source Institutions
Add to list Details
In this card game, learners make two sets of three cards that are alike. Learners must justify to the rest of the players why the three cards belong in each set.

free Ages 8 - 11 10 to 30 minutes
Source Institutions
Add to list Details
In this math activity, learners play a number game to explore the relationships between numbers, combinations, and the concept of equivalency.

1 cent - $1 per group Ages 8 - 11 5 to 10 minutes