Search Results


Showing results 61 to 80 of 229

Add to list Details
In this online interactive, learners use fossils to infer temperatures 55 million years ago, at the sites where the fossils were found.

free Ages 11 - 18 10 to 30 minutes
Add to list Details
Learners work together as a group to learn a new physical activity. After working for a few rotations, learners time themselves as part of a contest.

free Ages 8 - 11 10 to 30 minutes
Source Institutions
Add to list Details
In this activity, learners investigate parallax, a method used to measure distances to stars and planets in the solar system.

free Ages 6 - 18 Under 5 minutes
Add to list Details
In this online simulation, learners use antibiotics to cure patients with bacterial infections.

free Ages 8 - 11 5 to 10 minutes
Add to list Details
In this activity, learners will investigate how shorebirds and seabirds are extremely vulnerable to changes in their environment, whether human-induced or otherwise.

free Ages 14 - 18 1 to 2 hours
Source Institutions
Add to list Details
Learners make a "menu" of any plants in their lunch for Monday through Friday and draw the plants from their lunch.

free Ages 6 - 11 1 to 7 days
Source Institutions
Add to list Details
In this activity (on page 2 of the PDF under GPS: Cactus Activity), learners will develop their own version of a tool used by biologists, a dichotomous key, by collecting all their left shoes.

free Ages 8 - 14 10 to 30 minutes
Source Institutions
Add to list Details
In this activity about the relationship between food and energy (page 8 of PDF), learners estimate average daily baseline energy (Calorie) needs and energy needs for different levels of activity.

free Ages 8 - 14 45 to 60 minutes
Source Institutions
Add to list Details
In this activity (page 32 of PDF), learners investigate the nutritional needs of healthy bones and muscles.

free Ages 6 - 11 45 to 60 minutes
Source Institutions
Add to list Details
Using simple materials from around the house and recycled materials, learners will engineer a grabber device to pick up and put down objects that are at least 12 inches away.

free Ages 6 - adult 30 to 45 minutes
Source Institutions
Add to list Details
In this optics activity, learners conduct an experiment to find out why two eyes are better than one!

free Ages 6 - 11 10 to 30 minutes
Source Institutions
Add to list Details
In this activity (9th activity on the page), learners work in pairs to see how their perception of touch differs from reality.

free Ages 8 - 18 10 to 30 minutes
Source Institutions
Add to list Details
This is a virtual representation of a sound mixer containing pre-looped sounds of animal, insect, and environmental noises.

free Ages 6 - 11 5 to 10 minutes
Source Institutions
Add to list Details
In this creative activity, learners will find out what makes an insect an insect by studying examples of insect adaptations and by examining why there are so many different types of insects.

free Ages 6 - 14 45 to 60 minutes
Source Institutions
Add to list Details
In this activity, learners discover a brain process called habituation.

free Ages 6 - 18 10 to 30 minutes
Source Institutions
Add to list Details
In this activity, learners will train to improve lung, heart, and other muscle endurance as they walk a progressive, measured distance.

free Ages 8 - 14 1 to 4 weeks
Source Institutions
Add to list Details
In this activity, students will learn some key information about a San Francisco native animal and then write a firsthand account of their experience from the perspective of that animal in the time be

free Ages 8 - 11 30 to 45 minutes
Add to list Details
In this online game, learners must purchase power plants for their city.

free Ages 8 - 11 10 to 30 minutes
Add to list Details
This quiz lets you estimate your annual radiation exposure.

free Ages 8 - 18 10 to 30 minutes
Source Institutions
Add to list Details
In this activity, learners conduct a scientific investigation involving decomposition and discover that the life cycle of trash is affected by its organic or inorganic nature.

free Ages 6 - 14 1 to 12 months