Search Results


Showing results 241 to 260 of 437

Add to list Details
In this family or group activity, learners conduct a chromatography experiment to reveal the colors that leaves "hide" under their green pigments.

$1 - $5 per student Ages 6 - 14 45 to 60 minutes
Add to list Details
This display shows slow chemical reactions in colorful crystal formations known as Liesegang Rings. These reactions are similar to those forming the rings in agates.

$5 - $10 per student Ages 14 - adult 1 to 4 weeks
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, learners explore dinosaur skeletons.

1 cent - $1 per group Ages 4 - 6 45 to 60 minutes
Source Institutions
Add to list Details
This activity (on page 3 of the PDF under GPS: Cactus Activity) is a full inquiry investigation into how some desert birds keep their cool.

$10 - $20 per group Ages 8 - 14 1 to 7 days
Source Institutions
Add to list Details
In this activity, learners make their own pinhole viewer in order to measure the size of the sun.

$1 - $5 per group Ages 8 - adult 10 to 30 minutes
Source Institutions
Add to list Details
In this activity, learners explore the size and scale of dinosaurs. Learners listen to "The Littlest Dinosaurs" by Bernard Most to learn about the different sizes of dinosaurs.

1 cent - $1 per group Ages 6 - 8 45 to 60 minutes
Source Institutions
Add to list Details
In this plant science activity, learners conduct four experiments to observe how plants respond to sunlight and gravity.

$10 - $20 per group Ages 8 - 14 1 to 7 days
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 activity, participants will learn how stars form from the dust and gas that exists in space clumping together.

Over $20 per group Ages 4 - adult 5 to 10 minutes
Add to list Details
In this online interactive challenge, learners choose items to represent the Earth or solar system, then determine other items to represent the Moon, or Milky Way based on their relative size.

free Ages 8 - 18 10 to 30 minutes
Source Institutions
Add to list Details
How do scientists measure how clear or murky water in a lake is? How does water clarity (clearness) affect what lives in the lake?

$10 - $20 per group Ages 8 - adult 10 to 30 minutes
Source Institutions
Add to list Details
In this activity (page 10 of PDF), learners approximate the area of the uppermost cross section of an impact crater using a variety of square grids.

$5 - $10 per student Ages 8 - 14 45 to 60 minutes
Source Institutions
Add to list Details
This activity (page 2 of the PDF under SciGirls Activity: Bogs) is a full inquiry investigation into decomposition.

$10 - $20 per group Ages 8 - 14 1 to 4 weeks
Add to list Details
In this activity, learners sort and count different colored plastic dinosaurs by various attributes including tail length, whether or not the dinosaurs have horns, etc.

free Ages 4 - 6 10 to 30 minutes
Source Institutions
Add to list Details
The Butterflies in Space Teacher's Guide uses "life in space" to encourage learners to conduct their own open-ended scientific investigations.

Over $20 per group Ages 6 - 18 1 to 4 weeks
Source Institutions
Add to list Details
Using simple materials, learners will construct the end effector (grasping device) of a robotic arm and use the device to capture and pick up an object.

1 cent - $1 per student Ages 8 - 11 45 to 60 minutes
Add to list Details
In this family or group activity, learners create a nature journal by visiting a local nature center or backyard, observing creatures in their natural habitats, and sketching what they see.

1 cent - $1 per group Ages 6 - 11
Source Institutions
Add to list Details
In this highly physical outdoor activity, learners construct and compare experimental trail sections to select the best trail-construction technique for their site.

Over $20 per group Ages 8 - 18 1 to 2 hours
Source Institutions
Add to list Details
In this activity, learners conduct an experiment to investigate the effect of elevated levels on CO2 on plant growth.

$10 - $20 per group Ages 14 - 18 1 to 4 weeks