EXPLO.TV - Webcasts, Video Clips, and Podcasts from the Exploratorium

AfterSchool Activities: Cup Speaker Activity: Step-by-Step Demonstration (clip)

Running Time:
00:06:43

A detailed demonstration of how to make a cup speaker, including a discussion of materials needed.

Project: AfterSchool Activities | Browse All

Date: September 10, 2009
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science

AfterSchool Activities: Cup Speaker Activity: What's Going On (clip)

Running Time:
00:02:25

The science behind the Cup Speaker activity, including how electromagnets work, and how in this activity the magnet pushes the bottom of a cup back and forth, vibrating the air and creating sound.

Project: AfterSchool Activities | Browse All

Date: September 10, 2009
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science

Science Teaching Tips: You Can Take It with You (podcast)

Running Time:
00:05:10

TI teacher coach Jennifer Paillet explains how to fit in more labs, and get students thinking creatively by using take-home labs.

Project: Teacher Institute Science Teaching Tips | Browse All

Date: September 9, 2009
Format: Interview
Category: Everyday Science
Subject(s):

Reflections: Walk Away from the Mirror (clip)

Running Time:
00:00:59

Exhibit developer Erik Thogersen backs away from the Giant Mirror. Watch his image change as he passes through the focal point, then continues on past the center of curvature.

Project: Reflections | Browse All

Date: September 9, 2009
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science, Physics

Reflections: Framing the Real Thing (clip)

Running Time:
00:04:53

At the Giant Mirror, Senior Staff Scientist Paul Doherty demonstrates a simple way of locating a real image—an image that floats in space in front of the mirror.

Project: Reflections | Browse All

Date: September 9, 2009
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science, Physics

AfterSchool Activities: Color Chromatography Activity: Introduction (clip)

Running Time:
00:01:12

An introduction to an activity that lets you discover the secret colors hidden in black ink. With a paper towel, a black marker, and a cup of water, create a rainbow of colors while exploring capillary action and chromatography.

Project: AfterSchool Activities | Browse All

Date: September 9, 2009
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science, Chemistry

AfterSchool Activities: Color Chromatography Activity: What's Going On (clip)

Running Time:
00:01:33

Explore the science behind this activity, including capillary action (how the water moves up the paper) and chromatography, or how different elements of the ink are carried along at different rates, allowing you to see that black ink is actually made up of many different colors.

Project: AfterSchool Activities | Browse All

Date: September 9, 2009
Format: Expedition
Category: Everyday Science
Subject(s): Chemistry, General Science

Reflections: Testing the Giant Mirror's Sphericity (clip)

Running Time:
00:04:49

Senior Staff Scientist Thomas Humphrey invents a simple experiment to see if the Giant Mirror is spherical or parabolic, and then to see if it's perfectly spherical. By placing a Styrofoam ball at the center of curvature, he's able to prove that the mirror is out of pure sphericity by about one-quarter of one degree.

Project: Reflections | Browse All

Date: September 7, 2009
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science, Physics

Reflections: Reflections of Infrared Radiation (clip)

Running Time:
00:04:37

Staff Neuroscientist Richard Brown demonstrates that the Giant Mirror reflects infrared radiation as well as visible light.

Project: Reflections | Browse All

Date: September 5, 2009
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science, Physics

Science Teaching Tips: Private Theories (podcast)

Running Time:
00:06:50

Students may come into your classroom with preconceived ideas about how things work. TI director Linda Shore explains why she feels it’s important to explore students’ private theories about the world, and some ways she’s found to do that in her own classrooms.

Project: Teacher Institute Science Teaching Tips | Browse All

Date: September 2, 2009
Format: Interview
Category: Everyday Science
Subject(s):