Search Results


Showing results 301 to 320 of 799

Add to list Details
In this activity, learners thread gumdrops together to make a model of a polymer.

1 cent - $1 per student Ages 8 - adult 10 to 30 minutes
Source Institutions
Add to list Details
In this activity, learners take apart a used zinc-carbon dry cell battery.

$1 - $5 per student Ages 11 - adult 45 to 60 minutes
Source Institutions
Add to list Details
In "Chemistry is Colorful" learners explore different materials through paper chromatography.

$5 - $10 per group Ages 6 - adult 10 to 30 minutes
Add to list Details
Learners create three solutions with different levels of salinity. They compare the density of these solutions by coloring them and layering them in a clear plastic cup and in a soda bottle.

$1 - $5 per group Ages 8 - 18 10 to 30 minutes
Source Institutions
Add to list Details
In this activity, learners will explore the chemistry of cooking. They will learn about--and observe--the Maillard Reaction as they make their own browned butter.

$5 - $10 per student Ages 14 - adult 5 to 10 minutes
Source Institutions
Add to list Details
In this activity on page 7 of the PDF, learners investigate the solubility of gas in water at different temperatures. This experiment will help learners determine if temperature affects solubility.

$1 - $5 per student Ages 8 - 14 45 to 60 minutes
Source Institutions
Add to list Details
In this hands-on activity, learners determine the types of chemical reactions achieved when combining different household products.

$5 - $10 per group Ages 6 - 11 45 to 60 minutes
Add to list Details
This quiz lets you estimate your annual radiation exposure.

free Ages 8 - 18 10 to 30 minutes
Add to list Details
Learners add two dyes to mineral oil and water, and then compare their miscibility (how well they mix) in each.

$1 - $5 per group Ages 8 - 18 5 to 10 minutes
Source Institutions
Add to list Details
In this chemistry activity, learners witness an exothermic reaction, while making their very own, completely usable sidewalk chalk. This is also an excellent activity for exploring color mixing.

1 cent - $1 per student Ages 8 - 14 30 to 45 minutes
Add to list Details
In this activity (on page 5 of PDF), learners use dry ice and household materials to make scientifically accurate models of comets.

$5 - $10 per group Ages 6 - adult 10 to 30 minutes
Add to list Details
In this activity, learners will observe a deceptively simple process: a burning candle.

$1 - $5 per group Ages 11 - 18 1 to 2 hours
Add to list Details
In this activity, learners make a 3-D model of DNA using paper and toothpicks. While constructing this model, learners will explore the composition and structure of DNA.

$1 - $5 per student Ages 8 - 14 30 to 45 minutes
Source Institutions
Add to list Details
In this activity, learners test the pH of safe liquids available at home by creating a pH indicator from mashed blueberries.

$10 - $20 per group Ages 6 - 18 10 to 30 minutes
Source Institutions
Add to list Details
In this chemistry investigation, learners combine common cooking substances (flour, baking powder, sugar, salt, pepper, oil, water, food coloring) to explore mixtures.

$10 - $20 per student Ages 4 - 8 10 to 30 minutes
Source Institutions
Add to list Details
In this activity (on page 1), learners role play as atoms to explore how atoms can be rearranged to make different materials.

1 cent - $1 per group Ages 8 - 14 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
In this activity that can be used as a lab or demonstration, learners use Lactaid® and lactose to demonstrate the concept of enzyme action.

Over $20 per group Ages 14 - 18 10 to 30 minutes
Source Institutions
Add to list Details
In this activity (page 10), learners explore how molecules self-assemble according to forces of attraction and repulsion.

Over $20 per group Ages 11 - 14 45 to 60 minutes
Add to list Details
In this activity, learners discover the principles of edible glass by making a supersaturated sugar solution.

$5 - $10 per group Ages 8 - adult 2 to 4 hours