Search Results


Showing results 181 to 200 of 501

Source Institutions
Add to list Details
Demonstrate the Bernoulli Principle using simple materials on a small or large scale.

1 cent - $1 per group Ages 8 - 14 5 to 10 minutes
Add to list Details
In this hands-on activity, learners use heat to shrink samples of polystyrene plastic (#6 recycle code). Learners compare the size and shape of the plastic pieces before and after shrinking.

1 cent - $1 per group Ages 6 - adult Under 5 minutes
Source Institutions
Add to list Details
In this activity on page 6 of the PDF (Chemistry—It’s Elemental), learners explore some of the properties of copper using a few common household ingredients.

$1 - $5 per student Ages 6 - 14 10 to 30 minutes
Source Institutions
Add to list Details
This activity demonstrates liquefaction, the process by which some soils lose their solidity during an earthquake.

1 cent - $1 per group Ages 8 - 18 10 to 30 minutes
Add to list Details
In this activity, learners prepare four polymer elastomers and then compare their physical properties, such as texture, color, size, and bounce height.

$5 - $10 per group Ages 4 - 14 1 to 2 hours
Source Institutions
Add to list Details
In this activity, learners use a flashlight, a glass of water, and some milk to examine why the sky is blue and sunsets are red.

1 cent - $1 per group Ages 11 - 18 5 to 10 minutes
Add to list Details
In this activity, learners create a mixture of water, alcohol and permanent marker ink, and then add salt to form a colored alcohol layer on top of a colorless water layer.

$1 - $5 per group Ages 11 - 14 45 to 60 minutes
Source Institutions
Add to list Details
This is an activity (located on page 3 of the PDF under Nanosilver Activity) about diffusion of small molecules across cell membranes.

$10 - $20 per group Ages 8 - 14 1 to 7 days
Source Institutions
Add to list Details
In this activity about molecular diffusion (located on page 2 of the PDF under Nanosilver Activity), learners will make predictions and move molecules of iodine through a seemingly solid plastic sandw

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
Add to list Details
In this activity (on page 2 of PDF), learners create a low-tech refrigerator that requires no electricity to keep food from spoiling.

$1 - $5 per student Ages 8 - 18 1 to 2 hours
Source Institutions
Add to list Details
In this kinesthetic activity that demonstrates pressure, learners act as air molecules in a "container" as defined by a rope.

free Ages 8 - 14 10 to 30 minutes
Add to list Details
In this activity, learners investigate the movement of water into and out of a polymer. Learners test the diffusion of water through gummy bears, which are made of sugar and gelatin (a polymer).

$1 - $5 per student Ages 11 - 18 1 to 7 days
Source Institutions
Add to list Details
What causes frost to form on the outside of a cold container? In this activity, learners discover that liquid water can change states and freeze to become ice.

1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
Source Institutions
Add to list Details
In this activity, learners will create their own lava lamps. Learners will explore density, effervescence and chemistry through this activity.

$1 - $5 per student Ages 4 - 14 30 to 45 minutes
Add to list Details
Learners use a commercially available toy to experiment with density. They fill a chamber in the toy submarine with baking powder and release it into a tank of water.

$1 - $5 per group Ages 4 - 14 5 to 10 minutes
Source Institutions
Add to list Details
In this two-part activity, learners use everyday materials to visualize one mole of gas or 22.4 liters of gas. The first activity involves sublimating dry ice in large garbage bag.

$1 - $5 per group Ages 11 - 18 10 to 30 minutes
Source Institutions
Add to list Details
In this activity, learners will explore acid-base reactions and create their own bubbly results.

$1 - $5 per student Ages 4 - 14 30 to 45 minutes
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 explore sensors and focus specifically on how to measure humidity using a sensor.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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