Why Do Onions Make Our Eyes Water
Why Do Onions Make Our Eyes Water - Why do onions make you cry? See if this question can stump Dr. Charlotte Grayson. The moisture in your eyes plus the sulfur based gas from the onion creates a very mild sulfuric acid. Tears are a natural defense to try to dilute the acid. Run time 01:26.
Setting Up a Chemistry Experiment to Test Ph of Acids & Bases
Setting Up a Chemistry Experiment to Test Ph of Acids & Bases. Part of the series: Chemistry Lesson: Ph Tests for Acids & Bases. When conducting a chemistry experiment on the acid level of various household substances, begin with a hypothesis on whether or not a substance is acid-based. This two minute video goes rapidly and students would benefit from a word wall and to have the experiment in front of them to practice after the video is shown.
Look at place value systems based on numbers other than 10. Examine the base two numbers and learn uses for base two numbers in computers.
Explore exponents and relate them to logarithms. Examine the use of
scientific notation to represent numbers with very large or very small
magnitude. Interpret whole numbers, common fractions, and decimals in base four.
BBC Nature: Mega Tsunami - Evidence of Destruction
Scientists uncover evidence of disastrous damage to the coastline at Lituya Bay. Analysis of tree rings from the tree trim line show evidence of an impossibly high wave - a Mega Tsunami.
The Arts in Every Classroom: Teaching Dance
Two teachers with contrasting training and approaches to teaching bring rich dance experiences to students at their arts–based schools. Kathy DeJean, the dance specialist at Lusher Alternative Elementary School in New Orleans, promotes inquiry and self-expression in a multi-grade dance class. Scott Pivnik, a former physical education teacher at P.S. 156 (The Waverly School of the Arts) in Brooklyn, New York, uses African dance as a gateway to geography, writing, and personal growth for a class
The Arts in Every Classroom: Teaching Music
Two music specialists from arts–based schools demonstrate different approaches to serving diverse student populations. At Harmony Leland Elementary School in Mableton, Georgia, all 500 students study the violin. Their classes with Barrett Jackson become lessons in character and discipline. At Smith Renaissance School of the Arts in Denver, Sylvia Bookhardt and a class of fifth–graders explore the Renaissance through choral singing.
The Arts in Every Classroom: Students Create a Multi-Arts Performance
A team of arts specialists and classroom teachers at Lusher Alternative Elementary School in New Orleans guides kindergarten and fourth–grade students in creating an original work based on Cirque du Soleil’s Quidam. The program presents highlights of the creative process, including brainstorming about characters’ emotions, creating speech and movement for the characters, constructing costumes, and performing.
The Amistad Case
Gary Fisher is a teacher at Timilty Middle School in the urban community of Roxbury, Massachusetts, part of the greater Boston area. In his eighth–grade U.S. history class, Mr. Fisher examines the history of African American slavery through a dramatic mock trial based on the Amistad case in 1839. Serving as the defense, prosecution, judges, and other historical characters in the trial, students develop their cases and present them in a formal court setting created in their classroom. In his cl
Tim Rockey teaches 12th–grade American government and politics at
Sunnyslope High School in Phoenix, Arizona. Mr. Rockey reviews the
concept of civil rights, with a focus on women’s rights. Students
evaluate the "reasonableness" standard as set by the court and come to understand where the court has drawn the line for gender–based
decisions. They explore the following questions: Can public taverns
cater only to men? Can females be excluded from contact sp
The Individual In Society
Brian Poon is a teacher at Brookline High School in metropolitan Boston, Massachusetts. Mr. Poon’s 12th–grade philosophy lesson focuses on the role of the individual in society. Based on readings by various philosophers, including Reinhold Niebuhr, Thomas Hobbes, Mao Zedong, Martha Nussbaum, and Plato, students apply the philosophers’ viewpoints to solve the dilemmas of a fictitious nation called "Fenway." They then participate in a dynamic class discussion about how to integrate the best
Dealing With Controversial Issues
This program examines how social studies teachers in any grade level can encourage open and informed discussions with their students while dealing with controversial issues. Topics range from stereotypes and gender–based discrimination to the conflict in the Middle East. Through clearly identifying issues, listening to multiple perspectives, and formulating personal positions, teachers can explore a variety of
strategies that can be used to teach challenging issues such as these in thei
Second-graders create and discuss a bar graph based on the number of marshmallows they estimate each person in their class would eat on a camping trip. After discussing their results, students determine how many bags of marshmallows to take. NCTM standards: concepts of whole number operations, statistics and probability, reasoning, problem solving.
Pairs of second-graders explore subtraction, based on the number of
plants sprouting from the bean-seeds they have planted. The importance of context for student understanding, and various approaches to problem-solving, are exemplified. NCTM Standards: concepts of whole number operations, reasoning, problem solving, communication.
"Lessons from the Field" highlights the project-based, real-world approach to teaching science. The video segment follows a high school student who becomes motivated to learn when challenged to design his own experiment, work with professional mentors, and analyze and present his findings. This case study is excerpted from Learning That Works, a three-part teacher video series that explores the educational possibilities and benefits of firsthand applied science. Run time 06:12.
Introduction to Journey North
This program introduces the three sets of investigations that are featured in the Journey North program: Seasonal Migrations, Plants and the Seasons and Sunlight and the Seasons.
The Arts in Every Classroom: Three Schools, Three Approaches
Documentary segments filmed during the next school year show the Learner Teams planning and teaching arts-based lessons that grew out of work in the first six programs. Discussions at the end of the school year, facilitated by one of the workshop leaders, give the Learner Team members a chance to reflect on some of the developments in their teaching practice.
Can We Believe Our Eyes
Why is it that students can graduate from MIT and Harvard, yet not know how to solve a simple third-grade problem in science: lighting a light bulb with a battery and wire? Beginning with this startling fact, this program systematically explores many of the assumptions that we hold about learning to show that education is based on a series of myths. Through the example o
J. D. Salinger's Franny and Zooey
In this lecture on J. D. Salinger's Franny and Zooey, Professor Hungerford presents her argument about religion in the novel as an example to students of how to construct a sound literary critical paper using evidence from the text. Moving between large claims and close readings, Hungerford shows how Salinger prevents his investment in mysticism from becoming mystification by grounding his sense of the divine in the specificity of persons, the importance of family language and love. In
Don Meredith talks about choosing SMU
Legendary Quarterback Don Meredith talks about choosing SMU and other experiences during an interview with Nancy George of SMU Public Affairs at Ford Stadium on October 18, 2008, when SMU retired his jersey number.
How to Keep Score in Tennis
How to Keep Score in Tennis. Part of the series: How to Play Tennis. Scoring in tennis is kept by no-ad scoring and regular scoring. Both types of scoring are based on a four point system. Keep score in a tennis match with tips from a certified tennis pro in this free video on tennis.