Search Results


Showing results 421 to 440 of 637

Source Institutions
Add to list Details
In this activity (on page 2 of the PDF under GPS: Biodiversity Activity), learners will pair up and take a notebook outdoors to a selected location to observe and record a list of living things that t

free Ages 8 - 14 1 to 2 hours
Add to list Details
Learners place cut flowers in colored water and observe how the flowers change. The flowers absorb the water through the stem and leaves.

$1 - $5 per student Ages 8 - 18 1 to 7 days
Source Institutions
Add to list Details
This is an activity about music, movement, and math. Learners will start a rhythm pattern with 2, 3, or 4 beats. For instance, tap your foot, jump, clap, repeat.

free Ages 4 - 14 5 to 10 minutes
Source Institutions
Add to list Details
In this activity, learners discover how their heart rate changes in different situations.

$5 - $10 per student Ages 8 - 14 30 to 45 minutes
Source Institutions
Add to list Details
In this activity, learners surprise their eyes with an optical illusion involving arrows made out of pipe cleaners.

1 cent - $1 per student Ages 6 - 11 Under 5 minutes
Source Institutions
Add to list Details
In this activity (11th activity on the page), learners use pennies to test their hearing acuity.

free Ages 6 - 18 10 to 30 minutes
Source Institutions
Add to list Details
These two activities (4th on the page) demonstrate the importance of two eyes in judging depth.

1 cent - $1 per student Ages 8 - 18 5 to 10 minutes
Add to list Details
This fun hands-on astronomy activity uses a variety of simple props to help learners understand why they see what they see in a telescope.

$1 - $5 per group Ages 4 - adult 5 to 10 minutes
Source Institutions
Add to list Details
In this activity (17th on the page), learners investigate why you cannot see colors in dim light.

$1 - $5 per group Ages 4 - 18 5 to 10 minutes
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
Add to list Details
This game explores the different reasons we choose to eat, and helps us be aware of when our body needs food and when it does not.

free Ages 8 - 14 10 to 30 minutes
Add to list Details
Learners observe a simple balloon model of an electrostatic precipitator. These devices are used for pollutant recovery in cleaning industrial air pollution.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
Source Institutions
Add to list Details
In this health activity, learners create a device so that they not only feel their heartbeat, but also see it, using a straw and some clay.

1 cent - $1 per student Ages 6 - 11 10 to 30 minutes
Source Institutions
Add to list Details
In this activity (last activity on the page), learners make a model of the eardrum (also called the "tympanic membrane") and see how sound travels through the air.

1 cent - $1 per student Ages 6 - 18 5 to 10 minutes
Source Institutions
Add to list Details
In this activity, learners make an optical illusion toy from the 1800s to explore persistence of vision.

$1 - $5 per student Ages 6 - 11 5 to 10 minutes
Source Institutions
Add to list Details
In this activity, learners use chocolate to explore how the Sun transfers heat to the Earth through radiation.

1 cent - $1 per group Ages 6 - 14 10 to 30 minutes
Source Institutions
Add to list Details
Build a fruit fly trap out of a 2-liter plastic bottle and some rotten fruit! Fruit flies are easy to catch in warm weather. Once you catch some, you will be able to see their life cycle up-close.

1 cent - $1 per student Ages 4 - 11 1 to 4 weeks
Source Institutions
Add to list Details
En esta tira cómica, Mateo y Cientina observan unas hormigas para contestar algunas preguntas: ¿Qué comen las hormigas?

1 cent - $1 per group Ages 8 - 11 10 to 30 minutes
Source Institutions
Add to list Details
In this online activity, learners experience the thrill of pickle making, and explore how a cucumber becomes a pickle.

free Ages 6 - 14 5 to 10 minutes