Search Results


Showing results 161 to 180 of 346

Source Institutions
Add to list Details
In this quick activity, learners break the tension that happens when water develops a "skin." Learners use water, pepper and some soap to discover the wonders of surface tension—the force that attract

$1 - $5 per student Ages 6 - 11 5 to 10 minutes
Source Institutions
Add to list Details
In this activity, learners will write a secret message that only their friends will be able to read.

$1 - $5 per student Ages 8 - adult 10 to 30 minutes
Source Institutions
Add to list Details
In this activity, learners explore chemical engineering and how the processes of chemical plating and electroplating have impacted many industries.

$10 - $20 per group Ages 11 - 18 1 to 2 hours
Add to list Details
In this activity, learners investigate the basic crystal structures that metal atoms form.

$5 - $10 per student Ages 14 - adult 45 to 60 minutes
Source Institutions
Add to list Details
In this activity (page 12), learners explore how molecules self-assemble and how molecules must fit together, like a lock and key, in order to identify each other and initiate a new function as a comb

$1 - $5 per group Ages 11 - 14 45 to 60 minutes
Source Institutions
Add to list Details
In this activity, learners construct and launch rockets using simple materials and their understanding of chemical reactions.

$1 - $5 per student Ages 6 - 11 10 to 30 minutes
Add to list Details
In this activity, learners discover that some plastics will shrink when you get them hot. Learners bake polystyrene in a regular oven and discover what happens.

1 cent - $1 per student Ages 4 - adult 10 to 30 minutes
Source Institutions
Add to list Details
In this activity, learners use an origami template to design eight amino acids. Learners configure the amino acids to form a protein. Use this activity to introduce proteins and amino acids.

$1 - $5 per student Ages 8 - 14 45 to 60 minutes
Source Institutions
Add to list Details
In this engineering/design/arts and crafts activity, learners design and build "platforms" or "bridges" that can hold weight, and test which glue makes the strongest structure.

$1 - $5 per student Ages 6 - 14 1 to 2 hours
Source Institutions
Add to list Details
In this activity on page 5 of the PDF (Plants—The Green Machines), learners use chromatography to separate and identify pigments within various leaves.

$1 - $5 per student Ages 8 - 14 1 to 2 hours
Source Institutions
Add to list Details
In this online interactive simulation, learners will test the pH of liquids like coffee, spit, and soap to determine whether each is acidic, basic, or neutral.

free Ages 11 - adult 10 to 30 minutes
Source Institutions
Add to list Details
In this activity, learners will use chemistry to create a night sky watercolor painting. They will experiment to learn the effects of mixing crayon, salt, and lemon juice with water color paints.

$5 - $10 per student Ages 4 - adult 30 to 45 minutes
Add to list Details
Learners grow sugar crystals (rock candy). They make a hot solution that has an excess of sugar dissolved in it, then as the solution cools, they see sugar crystals form.

$1 - $5 per student Ages 6 - 11 4 to 24 hours
Source Institutions
Add to list Details
In this activity, learners use a chemical reaction to visualize where moisture forms on the body.

$10 - $20 per group Ages 8 - 18 10 to 30 minutes
Source Institutions
Add to list Details
In this lab, learners evaluate the relative effectiveness of various chemical substances (i.e. garlic powder, bathroom cleaner, mouthwash, etc.) as antimicrobial agents.

$5 - $10 per student Ages 11 - 18 4 to 24 hours
Add to list Details
In this activity (pages 13-14), learners investigate the properties of smart materials, which are materials that respond to things that happen around them.

$5 - $10 per student Ages 8 - adult 10 to 30 minutes
Add to list Details
Extract your DNA from your very own cells! First, learners swish salt water in their mouth to collect cheek cells and spit the water into a glass.

1 cent - $1 per student Ages 8 - 18 5 to 10 minutes
Source Institutions
Add to list Details
In this activity, learners observe how salinity affects the freezing point of water by making and enjoying ice cream.

$5 - $10 per group Ages 6 - 14 30 to 45 minutes
Source Institutions
Add to list Details
Using a milk-based recipe, learners create "moo glue" which is basically white school-type glue. The "secret ingredient" in milk that helps make glue is a chemical called casein.

$1 - $5 per group Ages 6 - 14 30 to 45 minutes
Source Institutions
Add to list Details
In this activity, learners compare and contrast different forms of luminescence by observing how chemiluminescence, phosphorescence, and fluorescence produce or emit light.

$10 - $20 per group Ages 11 - 14 30 to 45 minutes