Search Results
Showing results 1 to 6 of 6
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-630.jpg?itok=3nopHFw1)
Kid Machine
Source Institutions
This activity is on page 3 (continued on page 2) of the pdf, part of the Simple Machines Discovery Box. In this fun activity, learners "create" a complex machine by simulating the parts in action.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-678.jpg?itok=sBy1clYj)
In the Toilet
Source Institutions
This activity explores the basic workings of a siphon, which is the core technology that makes toilets work.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-068.jpg?itok=3s8tIA7x)
As The Stomach Churns
Source Institutions
In this chemistry activity, learners fill two test tubes with a solution of "artificial stomach fluid," consisting of hydrochloric acid in the same concentration as in human stomachs, some soap to cre
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-075.jpg?itok=qHpoZumQ)
Acid Rain
Source Institutions
In this chemistry demonstration, acid rain is simulated in a petri dish.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-074.jpg?itok=B5qrIWTH)
Rock Bottoms
Source Institutions
Learners add acid rain (nitric acid) to two cups that represent lakes. One cup contains limestone gravel and the other contains granite gravel.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-667.jpg?itok=Iiwvqwbn)
What's That Sound?
Source Institutions
This game plays a dozen different sounds, altered to simulate what they would sound like if you had hearing loss.