Search Results


Showing results 621 to 640 of 1221

Source Institutions
Add to list Details
In this activity, learners explore how engineering has developed various means to remove impurities from water.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
Source Institutions
Add to list Details
In this activity, one person acts as a human robot while another acts as their developer by programming their actions.

$1 - $5 per group Ages 6 - 14 10 to 30 minutes
Source Institutions
Add to list Details
In this outdoor activity, learners race small boats, made of cork, balsa wood, popsicle sticks etc., to investigate the rate and direction of currents in a stream or creek.

$10 - $20 per group Ages 8 - 18 45 to 60 minutes
Source Institutions
Add to list Details
In this activity on page 13 of the PDF, use a special plastic card that has been painted with a chemical that changes color when it is in UV light.

$5 - $10 per student Ages 6 - 14 10 to 30 minutes
Source Institutions
Add to list Details
In this activity, learners will build a ball run contraption.

Over $20 per group Ages 8 - adult 30 to 45 minutes
Source Institutions
Add to list Details
In this activity on page 2 of the PDF, learners test different materials to find out which is the best insulator.

$1 - $5 per student Ages 6 - 14 1 to 2 hours
Source Institutions
Add to list Details
This activity (on page 3 of the PDF under GPS: Sailboat Design Activity) is a full inquiry investigation into design optimization.

$5 - $10 per group Ages 8 - 14 2 to 4 hours
Source Institutions
Add to list Details
In this activity, learners design a device to solve a problem: how to get a ball out of a drain pipe.

$5 - $10 per group Ages 6 - 14 45 to 60 minutes
Add to list Details
Learners tour their school or home looking for sources of indoor air pollutants (IAPs).

free Ages 8 - 14 45 to 60 minutes
Source Institutions
Add to list Details
In this math lesson, learners determine and compare the rate of descent of various learner-constructed parachutes. Learners construct parachutes that will have maximum hang times.

$1 - $5 per group Ages 11 - 14 45 to 60 minutes
Source Institutions
Add to list Details
In this hands-on science experiment, students combine their understanding of the different states of matter and the characteristics of various chemical reactions.

$10 - $20 per group Ages 6 - 11 45 to 60 minutes
Source Institutions
Add to list Details
In this activity, learners identify the DNA base bars guanine, cytosine, thymine and adenine. Learners create a DNA model using colored paper clips to resemble these base pairs.

$5 - $10 per group Ages 11 - 14 45 to 60 minutes
Source Institutions
Add to list Details
Some bugs can walk on the surface of a lake, stream, river, pond or ocean.

$1 - $5 per group Ages 8 - adult 5 to 10 minutes
Source Institutions
Add to list Details
In this activity, learners create and reveal secret messages written with invisible ink! The invisible ink is actually a baking soda solution, and the magical revealing liquid is fruit juice.

$1 - $5 per group Ages 6 - 11 45 to 60 minutes
Source Institutions
Add to list Details
In this activity on page 4 of the PDF, explore the unique molecular structure and conductive nature of graphene. Learners construct a circuit with a battery and LED bulb.

$10 - $20 per student Ages 8 - 14 5 to 10 minutes
Source Institutions
Add to list Details
In this activity, learners design a scientific exploration mission to a planet or moon of their choice.

1 cent - $1 per group Ages 11 - adult 1 to 2 hours
Source Institutions
Add to list Details
In this activity, learners play a game similar to Hangman by guessing a secret phrase to understand how computer scientists measure the amount of "information" in a document.

1 cent - $1 per group Ages 6 - 14 5 to 10 minutes
Source Institutions
Add to list Details
In this math activity related to light, learners assemble a photometer and use it to estimate the power output of the Sun.

1 cent - $1 per student Ages 14 - 18 10 to 30 minutes
Source Institutions
Add to list Details
In this game, learners explore the different sizes of things in the world. In this Twister-like game, learners must place a hand or foot on a circle of the right scale - macro, micro, or nano.

$10 - $20 per group Ages 4 - adult 10 to 30 minutes
Source Institutions
Add to list Details
In this activity, learners create a necklace of wheat germ DNA. Learners add alcohol to wheat germ so that the DNA clumps together.

$10 - $20 per group Ages 4 - adult 5 to 10 minutes