Search Results


Showing results 1 to 2 of 2

Source Institutions
Add to list Details
In this chemistry activity, learners explore whether matter is created or destroyed during a chemical reaction. They will compare the weight of various solutions before and after they are mixed.

$5 - $10 per group Ages 11 - 18 30 to 45 minutes
Source Institutions
Add to list Details
In this activity (page 26 of the PDF), learners make observations, formulate hypotheses and design a controlled experiment, based on the reaction of carbon dioxide with calcium hydroxide.

$5 - $10 per group Ages 8 - 18 1 to 7 days