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Most things won't burn on Mars—after all, the main ingredient in the Martian atmosphere, carbon dioxide, is used in fire extinguishers on earth. So how would one create fire without oxygen? Use metal!This slow motion footage shows magnesium burning within a block of dry ice.

Project: After Dark | Browse All

Date: December 3, 2009
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): Geology/Earth Science, Chemistry, Art
Running Time:
00:09:39
Exploratorium staff physicist Thomas Humphrey divulges a clever way to measure the speed of sound, and he explains how he’s used that information to measure things in the world.

Project: Teacher Institute Science Teaching Tips | Browse All

Date: December 2, 2009
Format: Interview
Category: Everyday Science
Subject(s): Physics
Running Time:
00:05:54
The ancient Greeks knew about magnets, and they knew about electricity, too. But it wasn’t until the nineteenth century that a connection between the two was discovered. Staff physicist Paul Doherty tells the story of how a professor made the connection…which led to modern motors.

Project: Teacher Institute Science Teaching Tips | Browse All

Date: November 25, 2009
Format: Interview
Category: Everyday Science
Subject(s): Physics
Running Time:
00:07:37
TI staff biologist Karen Kalumuck busts some of the myths about taste, and presents a few fun activities for the classroom.

Project: Teacher Institute Science Teaching Tips | Browse All

Date: November 18, 2009
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): Life Science, Biology
Running Time:
00:06:28
A stack of blocks seems to defy gravity in this activity by Exploratorium staff educator Don Rathjen.

Project: Teacher Institute Science Teaching Tips | Browse All

Date: November 11, 2009
Format: Interview
Category: Everyday Science
Subject(s):
Running Time:
00:52:40
In recognition of the Exploratorium's 40th anniversary, join us for a special edition of our popular show, Iron Science Teacher. In this zany science cook-off, teachers compete before a live audience at the Exploratorium for the revered title, "Iron Science Teacher." The secret ingredient will be something closely related to our anniversary!

Project: Iron Science Teacher | Browse All

Date: November 8, 2009
Format: Demonstration / Activity
Category: Everyday Science
Subject(s):
Running Time:
00:04:38
A veteran teacher describes his first year of teaching, and the myriad things he adjusted to while he learned the profession he loves.

Project: Teacher Institute Science Teaching Tips | Browse All

Date: November 4, 2009
Format: Interview
Category: Everyday Science
Subject(s):
Running Time:
00:04:52
What do polarized sunglasses have to do with dog urine? Listen to this curious story from staff physicist Paul Doherty.

Project: Teacher Institute Science Teaching Tips | Browse All

Date: October 28, 2009
Format: Interview
Category: Everyday Science
Subject(s): Physics
Running Time:
00:09:30
TI program participant Mark Hespenheide presents an elegant illustration of free fall using string and paper clips.

Project: Teacher Institute Science Teaching Tips | Browse All

Date: October 21, 2009
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): Physics
Running Time:
00:04:55
How do you give your students the words they need to understand an activity or a topic? TI Staff Educator Modesto Tamez explains his opinion that vocabulary is best given towards the end of a lesson, not at the beginning.

Project: Teacher Institute Science Teaching Tips | Browse All

Date: October 14, 2009
Format: Interview
Category: Everyday Science
Subject(s):