Search Results


Showing results 101 to 120 of 250

Add to list Details
In this activity, learners use oil, water, food coloring and antacid tablets to create a bubbling lava lamp. Use this activity to introduce concepts related to density, hydrophobicity vs.

$5 - $10 per student Ages 6 - 11 10 to 30 minutes
Add to list Details
During this activity, learners will make different versions of "ooze" using varied proportions of detergent and glue.

$5 - $10 per group Ages 6 - 14 10 to 30 minutes
Source Institutions
Add to list Details
In this activity about the relationship between food and energy (page 5 of PDF), learners conduct an experiment to compare how much energy is released as heat from two different foods.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
Add to list Details
Learners design their own experiment to investigate how pollution diffuses through ground material.

$1 - $5 per group Ages 11 - 14 30 to 45 minutes
Source Institutions
Add to list Details
In this activity, learners separate the components of Gatorade using a home-made affinity column.

$10 - $20 per student Ages 11 - 18 45 to 60 minutes
Source Institutions
Add to list Details
In this activity (on page 7), learners explore the meaning of a "carbon sink." Using simple props, learners and/or an educator demonstrate how plants act as carbon sinks and how greenhouse gases cause

free Ages 8 - 14 45 to 60 minutes
Add to list Details
In this experiment, learners will conduct chemical and physical tests to identify mystery substances.

$5 - $10 per group Ages 8 - 14 45 to 60 minutes
Source Institutions
Add to list Details
In this activity, learners examine antibodies and antibody recognition using a model.

Over $20 per group Ages 11 - 14 45 to 60 minutes
Add to list Details
In this activity, learners discover that there is space between molecules even in a cup "full" of water. They first fill a cup with marbles, and then add sand to fill the gaps between the marbles.

$1 - $5 per group Ages 6 - 14 10 to 30 minutes
Source Institutions
Add to list Details
In this activity about the relationship between food and energy (page 1 of PDF), learners observe and quantify the growth of yeast when it is given table sugar as a food source.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
Source Institutions
Add to list Details
In this experiment, learners will explore whether increased carbon dioxide makes our oceans more basic or more acidic.

$1 - $5 per student Ages 11 - 18 30 to 45 minutes
Source Institutions
Add to list Details
This lesson is designed to serve as an introduction to the immune system. It can stand alone or it can lead into further studies of the immune system.

Over $20 per group Ages 14 - adult 2 to 4 hours
Source Institutions
Add to list Details
In this activity, groups of learners work together to create edible models of chemicals involved in autotrophic nutrition.

$5 - $10 per group Ages 14 - 18 1 to 2 hours
Add to list Details
As a group, learners investigate three packages which are all the same size and shape, but have different contents. One is filled with foam, one is filled with wood, and one is filled with metal.

$1 - $5 per group Ages 4 - 11 10 to 30 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 activity, learners design a therapeutic agent to image and/or cure various diseases in the respiratory system.

Over $20 per group Ages 6 - 14 30 to 45 minutes
Add to list Details
In this activity learners explore surface tension. Why are certain objects able to float on the surface of water and how do detergents break the surface tension of water?

$1 - $5 per group Ages 8 - 14 45 to 60 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 prepare four polymer elastomers and then compare their physical properties, such as texture, color, volume, density, and bounce height.

$5 - $10 per group Ages 11 - 18 45 to 60 minutes
Source Institutions
Add to list Details
This three-part lab helps learners understand the essential principles governing diffusion and osmosis.

Over $20 per group Ages 14 - 18 4 to 24 hours