Results Showing 1-10 of 80 records:
Thrown For A Curve: Pitch Like A Big Leaguer
You may have tried to throw a curveball or a slider, or even a screwball, with an ordinary baseball and found it difficult to do. In this activity, learners use a Styrofoam ball ...
1 cent - $1 per student
Ages 8 - 18
10 to 30 minutes
Modeling the Seasons
This activity provides instructions for students to create models of the earth and then to model a "day" on earth as well as modeling the seasons. Parent web site about ancient ...
$1 - $5 per student
Ages 11 - 14
45 to 60 minutes
Experimenting with Naked Eggs
In this activity about osmosis, learners use a naked egg (one with a dissolved eggshell) to learn about selectively permeable membranes. This is a great activity to easily show ...
1 cent - $1 per student
Ages 11 - 18
10 to 30 minutes
Better Hair Through Chemistry
In this activity, learners hook up a hair to a lever system and create a hair hygrometer to measure changes in humidity. Learn the science behind bad hair days, and learn how hair ...
$1 - $5 per group
Ages 8 - 18
45 to 60 minutes
Build Your Own Marble Machine
In this activity, explorers will build a ball run contraption. Marble Machines are made from familiar materials, designed to send a rolling marble through tubes and funnels, ...
Over $20 per group
Ages 8 - adult
30 to 45 minutes
Fading Dot
This online exhibit is a visual illusion in which a fuzzy blue dot disappears into a green background. The illusion is created by the tiny jittering movements that your eyes are ...
free
Ages 6 - 14
5 to 10 minutes
Remote Control Roller: Experiment with Static Electricity
This activity is an investigation of static electricity. What happens when you get "static cling?" Basically, you pile up electrons on one thing, which attracts the protons in ...
1 cent - $1 per student
Ages 4 - 11
5 to 10 minutes
Bee Hummer
In this activity, students learn about sound and vibration by making a "bee hummer"--a toy that sounds like a swarm of buzzing bees when you spin it around. The activity includes ...
1 cent - $1 per student
Ages 8 - 14
10 to 30 minutes
Seeing Your Blind Spot
This activity (aka "snack") provides instructions for discovering your blind spot. It is an exploration of light and visual perception using simple materials you may have around ...
1 cent - $1 per student
Ages 11 - 14
10 to 30 minutes
Bouncing Balls
When baseball was in its infancy, the ball had plenty of bounce. Today's baseball may not seem to have bounce to it at all; if you drop a ball on the field it won't bounce back. ...
1 cent - $1 per group
Ages 8 - 18
10 to 30 minutes
