Search Results


Showing results 61 to 80 of 987

Source Institutions
Add to list Details
In this activity, learners investigate and compare the rate of drying in different conditions.

$1 - $5 per group Ages 6 - 11 30 to 45 minutes
Source Institutions
Add to list Details
In this activity, learners will estimate the sizes of balls to learn how to estimate the size of hail. Learners will compare their estimates to the estimates of their peers and the real measurements.

$1 - $5 per group Ages 6 - 14 10 to 30 minutes
Source Institutions
Add to list Details
Learners compare the weight of equal volumes of wax, water, and clay. Learners discover that since the wax weighs less than an equal volume of water, it is less dense than water and will float.

$1 - $5 per group Ages 8 - 14 30 to 45 minutes
Source Institutions
Add to list Details
Groups of learners are provided with a generic car base and an egg. Their mission: design a device/enclosure to protect the egg on or in the car as it rolls down a ramp with increasing slopes.

Over $20 per group Ages 11 - 18 1 to 2 hours
Source Institutions
Add to list Details
In this lab activity, learners explore how to initiate a density current. Learners measure six flasks with different concentrations of salt and water (colored blue).

1 cent - $1 per group Ages 11 - 18 45 to 60 minutes
Source Institutions
Add to list Details
In this math activity, learners create their own units of measurement by making noodle rulers. Learners practice estimating and measuring objects using the noodle rulers .

$1 - $5 per student Ages 4 - 8 10 to 30 minutes
Source Institutions
Add to list Details
In this activity, learners simulate taking HIV antiretroviral drugs by using Tic Tac mints and Kool-Aid packets.

$5 - $10 per group Ages 11 - 18 1 to 4 weeks
Source Institutions
Add to list Details
In this activity, learners get hands-on experience with ratios and scaling while making their own jewelry out of recycled plastic containers.

free Ages 11 - 14 45 to 60 minutes
Add to list Details
Learners will compare the growth rate and appearance of crystals forming on small rocks to those growing on miscellaneous objects. Learners will also investigate how temperature (warm vs.

$1 - $5 per group Ages 8 - 14 1 to 7 days
Source Institutions
Add to list Details
In this outdoor biology and math activity, learners estimate the size of a population of organisms too numerous to count.

$10 - $20 per group Ages 8 - 14 45 to 60 minutes
Source Institutions
Add to list Details
This investigation provides learners with a hands-on activity that simulates the changing relationship of surface areas-to-volume for a growing cell.

$1 - $5 per group Ages 14 - 18 45 to 60 minutes
Source Institutions
Add to list Details
In this activity, learners will conduct an open-ended survey, and then organize and analyze results. What languages does everyone speak? What’s the most common? the least common?

1 cent - $1 per group Ages 6 - 14 5 to 10 minutes
Source Institutions
Add to list Details
This is an activity (located on page 3 of the PDF under Water Clean-up Activity) about the use of reduction agents to decontaminate ground water.

$10 - $20 per group Ages 8 - 14 2 to 4 hours
Source Institutions
Add to list Details
In this activity, learners discover how the extent of various wind speeds changes in each of the four quadrants around a hurricane.

free Ages 11 - 18 10 to 30 minutes
Add to list Details
In this activity, learners investigate the properties of different types of balls.

free Ages 8 - 11 1 to 2 hours
Source Institutions
Add to list Details
In this activity, learners work in groups to determine the mass and volume of four samples: glass marbles, steel washers or nuts, pieces of pine wood, and pieces of PVC pipe.

$10 - $20 per group Ages 11 - 18 45 to 60 minutes
Add to list Details
In this activity, learners work in teams to study the observation skills essential to scientific research.

1 cent - $1 per group Ages 11 - 18 45 to 60 minutes
Add to list Details
In this family or group inquiry activity, learners use their senses to explore a local forest or woodland.

1 cent - $1 per group Ages 6 - 11 1 to 2 hours
Source Institutions
Add to list Details
In this activity, learners confront their perceptions of gravity in the solar system.

Over $20 per group Ages 8 - 14 30 to 45 minutes
Source Institutions
Add to list Details
In this outdoor beach activity, learners use a variety of "beaks" (such as trowels, spoons or sticks) to hunt for organisms that shore birds might eat.

$5 - $10 per group Ages 8 - 14 45 to 60 minutes