Search Results


Showing results 201 to 220 of 587

Source Institutions
Add to list Details
This activity shows learners how computers use numbers to represent pictures. A grid is used to represent the pixels (short for picture elements) of a computer screen.

1 cent - $1 per student Ages 6 - adult 30 to 45 minutes
Source Institutions
Add to list Details
In this science trick, learners get an egg to stand-up on its long-axis vertical to a table's top.

1 cent - $1 per student Ages 8 - 18 5 to 10 minutes
Source Institutions
Add to list Details
In this activity, learners take a turn contributing a closed figure made of six squares to a large grid; each must be different from all the others on the grid so far.

1 cent - $1 per group Ages 4 - 14 5 to 10 minutes
Source Institutions
Add to list Details
Balance a ball in the air with a hair dryer! This Exploratorium produced activity shows learners concepts like lift and air streams. You can try many different angles, speeds, and ball types.

1 cent - $1 per student Ages 4 - 18 Under 5 minutes
Source Institutions
Add to list Details
In this activity, learners explore gravity and air pressure as they experiment with holding a glass full of water upside down, without spilling it, using a simple piece of cardstock.

1 cent - $1 per student Ages 6 - 14 10 to 30 minutes
Source Institutions
Add to list Details
Create airplanes from straws and geometric shapes. Test them out to see how far they can fly, or how accurately they can be aimed.

1 cent - $1 per student Ages 4 - 14 30 to 45 minutes
Source Institutions
Add to list Details
Which one of your eyes are dominant? Do they act independently or are they equally "in control?" This activity explores how your eyes work (or don't work) together.

1 cent - $1 per student Ages 6 - 14 Under 5 minutes
Source Institutions
Add to list Details
In this simulation activity, learners will raise a pack of wolves under ten different conditions: without human interference and with human interference.

1 cent - $1 per group Ages 8 - 14 45 to 60 minutes
Source Institutions
Add to list Details
In this optics activity, learners discover how they can make glass objects "disappear." Learners submerge glass objects like stirring rods into a beaker of Wesson™ oil to explore how the principles of

1 cent - $1 per group Ages 6 - 14 10 to 30 minutes
Add to list Details
In this activity, learners thread gumdrops together to make a model of a polymer.

1 cent - $1 per student Ages 8 - adult 10 to 30 minutes
Source Institutions
Add to list Details
Discover how sound travels and what materials make better sound conductors. Can you hear better with your fingers in your ears? Find out with a coat hanger and some string!

1 cent - $1 per student Ages 6 - 11 5 to 10 minutes
Add to list Details
Learners describe objects in a room using only numbers and shapes. They can measure the object (like a desk) and make a list of facts about it (e.g.

1 cent - $1 per group Ages 8 - 11 10 to 30 minutes
Source Institutions
Add to list Details
In this math lesson, learners use simple addition facts to compute values (in dollars and cents) for their names.

1 cent - $1 per group Ages 6 - 8 45 to 60 minutes
Source Institutions
Add to list Details
In this activity, learners use mirrors to write secret messages to a friend. Use this activity to explore letters, optics, and/or symmetry.

1 cent - $1 per student Ages 6 - 11 5 to 10 minutes
Add to list Details
In this activity, learners make an equatorial sundial, which is simple to construct and teaches fundamental astronomical concepts. Learners use the provided template and a straw to build the sundial.

1 cent - $1 per group Ages 11 - 18 2 to 4 hours
Source Institutions
Add to list Details
In this activity, learners use cooperation and logical thinking to find solutions to network problems on the playground.

1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
Source Institutions
Add to list Details
In this quick SciGirls activity (page 1 of the PDF under SciGirls Activity: Doghouse Design), learners will be introduced to the concept of thermal conductivity.

1 cent - $1 per group Ages 8 - 14 30 to 45 minutes
Source Institutions
Add to list Details
In this hands-on and feet-on excursion, learners take a science walk to visualize the planet's immense size and numerous structures, without the usual scale and ratio dimensions found in most textbook

1 cent - $1 per group Ages 11 - 18 45 to 60 minutes
Source Institutions
Add to list Details
This activity puts a mathematical twist on the familiar “guessing jar.” No guesses allowed, estimates only.

1 cent - $1 per group Ages 4 - 14 5 to 10 minutes
Source Institutions
Add to list Details
Do you have a hard time matching paint swatches with your furniture? When you consider human perception, color is context dependent.

1 cent - $1 per student Ages 4 - adult 5 to 10 minutes