Search Results


Showing results 461 to 480 of 619

Source Institutions
Add to list Details
Put math of measurement into lining up — and make waiting in line fun. Choose a size characteristic that learners can physically compare, such as foot length or hair length.

free Ages 4 - 14 5 to 10 minutes
Add to list Details
Visitors mix water and sodium bicarbonate (baking soda) in a large flask. They then add citric acid to the mixture and stopper the flask. The resulting reaction creates carbon dioxide gas.

$1 - $5 per group Ages 6 - adult Under 5 minutes
Add to list Details
Visitors separate a mixture of pebbles, salt crystals, and wood shavings by adding water and pouring the mixture through a strainer.

$1 - $5 per group Ages 6 - adult Under 5 minutes
Source Institutions
Add to list Details
In this activity related to light and perception, learners use a pinhole in an index card as a magnifying glass to help their eye focus on a nearby object.

1 cent - $1 per student Ages 6 - 14 10 to 30 minutes
Source Institutions
Add to list Details
In this activity (located on page 4 of PDF), learners gain insight into the actual size of dinosaurs and practice making estimations and measurements.

1 cent - $1 per group Ages 6 - 11 30 to 45 minutes
Source Institutions
Add to list Details
In this activity, learners will develop a method to test five similar-looking powders (baking soda, baking powder, cream of tartar, detergent, and cornstarch) with four test liquids (water, vinegar, i

$1 - $5 per group Ages 6 - 14 45 to 60 minutes
Source Institutions
Add to list Details
In this activity, learners examine their tongue and taste buds.

1 cent - $1 per student Ages 6 - 18 Under 5 minutes
Source Institutions
Add to list Details
In this activity, learners make their own rock candy. Crystals will grow from a piece of string hanging in a cup of sugar water. The edible crystals may take up to a week to form.

1 cent - $1 per student Ages 6 - 18 1 to 7 days
Add to list Details
In this activity, learners build a simple "rocket" with ordinary household materials to demonstrate the basic principles behind rocketry and the principle of reaction.

$1 - $5 per student Ages 6 - 14 5 to 10 minutes
Add to list Details
In this activity, learners listen to a story about a made-up endangered species--a flying frog! Learners print out six story pages and then draw the pictures and write the captions.

free Ages 6 - 11 30 to 45 minutes
Source Institutions
Add to list Details
In this activity, learners build an instrument for catching and observing flies. Learners act as entomologists, attract flies into a jar using a slice of apple, and then observe the flies' behavior.

$1 - $5 per group Ages 4 - 18 1 to 4 weeks
Add to list Details
Learners use a transparent plastic glove as a container to grow seeds. A different kind of seed can be planted in each finger.

$1 - $5 per student Ages 6 - 14 1 to 4 weeks
Source Institutions
Add to list Details
Make a camouflage cut-out animal! Using patterned paper or magazine pictures from around the house, use your craft skills to make a paper animal that blends into its background.

1 cent - $1 per student Ages 4 - 11 5 to 10 minutes
Source Institutions
Add to list Details
Build time sense into the schedule by asking learners to predict what can happen in a certain amount of time: We have 20 minutes before outdoor time. What can you get done?

free Ages 6 - 14 10 to 30 minutes
Source Institutions
Add to list Details
In this activity (page 4), learners work in groups to plan and build large structures using recyclable materials they have brought from home.

$1 - $5 per group Ages 6 - 14 30 to 45 minutes
Source Institutions
Add to list Details
This is a demonstration about how nature inspires nanotechnology. It is easily adapted into a hands-on activity for an individual or groups.

$5 - $10 per group Ages 6 - adult 10 to 30 minutes
Source Institutions
Add to list Details
In this activity, learners try to blow up a balloon hanging inside of an empty bottle.

1 cent - $1 per student Ages 6 - 14 Under 5 minutes
Source Institutions
Add to list Details
In this activity, learners create a "mini sky" in a glass of water in a dark room.

1 cent - $1 per student Ages 6 - 14 Under 5 minutes
Source Institutions
Add to list Details
In this activity about sea otters, learners make their own "otter whiskers" and use them to find objects underwater.

1 cent - $1 per student Ages 4 - 11 5 to 10 minutes
Source Institutions
Add to list Details
In this introductory activity and demonstration, learners are introduced to the concept that different substances react chemically in characteristic ways.

$1 - $5 per group Ages 6 - 14 10 to 30 minutes