Search Results


Showing results 1 to 7 of 7

Source Institutions
Add to list Details
In this activity, learners calculate the percentage of oxygen in the atmosphere by using steel wool's ability to rust.

1 cent - $1 per student Ages 11 - 18 1 to 7 days
Source Institutions
Add to list Details
In this quick activity, learners observe how salinity and temperature affect the density of water, to better understand the Great Ocean Conveyor.

1 cent - $1 per group Ages 6 - 14 5 to 10 minutes
Source Institutions
Add to list Details
In this activity on page 7 of the PDF (Plants—The Green Machines), learners examine the effects that light and air have on green plants.

$1 - $5 per student Ages 6 - 11 1 to 4 weeks
Source Institutions
Add to list Details
In this activity, learners make acid/base indicator paper, place the indicator paper on an anthill, disturb a bunch of ants, and then observe what happens!

$1 - $5 per group Ages 6 - 11 45 to 60 minutes
Add to list Details
In this chemistry demonstration, acid rain is simulated in a petri dish.

$1 - $5 per group Ages 14 - adult 5 to 10 minutes
Source Institutions
Add to list Details
What does it mean to be alive? Is a cactus alive? Is a seed alive? Is the air we breathe alive? What are the necessary characteristics?

$1 - $5 per group Ages 11 - 14 1 to 2 hours
Source Institutions
Add to list Details
In this outdoor activity, learners make their own organic-rich soil. Depending on where this activity is done, learners will probably discover that their local soil is low in organic matter.

$10 - $20 per group Ages 8 - 18 45 to 60 minutes