Search Results


Showing results 21 to 39 of 39

Source Institutions
Add to list Details
In this activity, learners explore how their depth perception would be affected if they only had one eye. Learners work in pairs and attempt to drop a penny in a cup with one eye covered.

free Ages 6 - 18 5 to 10 minutes
Source Institutions
Add to list Details
In this easy demonstration (3rd on the page), learners explore depth perception by conducting a test with two pencils.

free Ages 4 - 18 Under 5 minutes
Source Institutions
Add to list Details
This is a quick and simple demonstration about reflexes (fourth activity on the page). One learner stands behind a see-through barrier like a window or wire screen.

free Ages 8 - 18 Under 5 minutes
Source Institutions
Add to list Details
In this activity, learners discover how landfills affect the natural environment.

free Ages 8 - 18 1 to 4 weeks
Source Institutions
Add to list Details
In this demonstration (18th on the page), learners conduct a simple test to explore how the cornea refracts light, which is further bent by the eye lens through a process known as accommodation.

free Ages 8 - 18 Under 5 minutes
Source Institutions
Add to list Details
In this quick activity/demonstration (5th on the page), learners explore depth perception.

free Ages 6 - 18 Under 5 minutes
Source Institutions
Add to list Details
In this activity/demonstration, learners observe what happens when two ping pong balls are suspended in the air by a hair dryer. Use this activity to demonstrate how rain drops grow by coalescence.

free Ages 6 - 14 Under 5 minutes
Source Institutions
Add to list Details
This "concept demonstration" provides learners with a concrete example (a pair of shoes in a classroom "cell") of what homology means.

free Ages 14 - 18 5 to 10 minutes
Source Institutions
Add to list Details
In this activity, learners act as water molecules and travel through parts of the water cycle to discover that it is more complex than just water moving from the ground to the atmosphere.

free Ages 6 - 14 30 to 45 minutes
Source Institutions
Add to list Details
In this quick activity (page 1 of PDF under SciGirls Activity: Kites), learners will witness firsthand the effects of Bernoulli’s Principle by capturing a ping pong ball in the stream of air created b

free Ages 8 - 14 10 to 30 minutes
Source Institutions
Add to list Details
In this indoor or outdoor demonstration, use a large and small ball to illustrate conservation of energy and momentum.

free Ages 4 - adult Under 5 minutes
Source Institutions
Add to list Details
In this demonstration, learners observe as two cola bottles and a dollar bill are arranged in a specific order: one bottle, upside down and filled with water, is placed on top of another bottle, with

free Ages 8 - 18 Under 5 minutes
Source Institutions
Add to list Details
In this activity, learners estimate how much water they think can be found in various locations on the Earth in all its states (solid, liquid, and gas) to discover the different water ratios in the Ea

free Ages 6 - 14 10 to 30 minutes
Source Institutions
Add to list Details
In this demonstration (9th on the page), learners explore eyewitness memory and how memories differ amongst individuals. While the rest of the group is minding their own business (i.e.

free Ages 8 - 18 10 to 30 minutes
Source Institutions
Add to list Details
In this activity, learners use a laser pointer, empty soda bottle, rubber plug and water to demonstrate total internal reflection.

free Ages 14 - 18 5 to 10 minutes
Source Institutions
Add to list Details
In this activity, learners explore how distance can affect the way we perceive the size of an object.

free Ages 4 - 18 5 to 10 minutes
Source Institutions
Add to list Details
This is a quick and simple demonstration about reflexes (second activity on the page).

free Ages 4 - 18 Under 5 minutes
Source Institutions
Add to list Details
Use this hands-on activity to demonstrate infrared and thermal radiation.

free Ages 8 - 14 Under 5 minutes
Add to list Details
Learners color and cut out a spiral-shaped snake. When they hang their snake over a radiator, the snake spins.

free Ages 8 - 14 10 to 30 minutes