Responses by Stomata on Leaves to Microenvironmental Conditions
Stomatal aperture provides much information about how leaves sense and respond to environmental conditions. Recent evidence suggests many species have nonuniform stomatal opening under both laboratory and field conditions, for example, different areas of the same leaf seem capable of responding independently to microenvironmental conditions. This exercise demonstrates how stomata respond to microenvironmental conditions by making casts of leaf surfaces and using them to evaluate stomatal opening
This Web page serves as a linked table of contents for the museum's supplemental resources on arthropod morphology. From it, you can access the following illustrated guides with a single click: Types of Antennae, Front View of an Insect (Grasshopper) Head, Parts of an Insect (Grasshopper), Parts of a Spider: Dorsal View of a Male Spider, Parts of a Spider: Ventral View of a Female Spider, and Metamorphosis.
Discovery Collection: Marine Animals
Marine Animals is one of the AMNH Education Department's many collections of specimens and artifacts gathered the world over by explorers and scientists. In its online Discovery Collection form, Marine Animals includes an educator's Guide with suggestions for how to use the Marine Animals Discovery Collection in the classroom.
"Submergence," a novel
Jonathan Ledgard, our East Africa correspondent, discusses his novel about isolation and love amidst the chaos of war-ravaged Somalia
284 GG Can Words Be "Fun"?
Who says "fun" can't be an adjective?
15.07.2011 – Langsam gesprochene Nachrichten
Trainieren Sie Ihr Hörverstehen mit authentischen Materialien. Nutzen Sie die Nachrichten der Deutschen Welle von Freitag – als Text und als verständlich gesprochene Audio-Datei.US-Finanzminister Tim Geithner hat einen dringenden Appell an die Kongress-Abgeordneten gerichtet, sich rasch auf eine Anhebung der Schuldenobergrenze der USA zu einigen. Es müsse umgehend ein "klares Signal" an die Welt gegeben werden, dass man seinen Zahlungsverpflichtungen nachkommen könne, forderte Geithner von
CBS Show Time Spanish – Lesson 12
In episode 12 of Show Time Spanish, Mark and Alba get all poetic as they celebrate the 250th anniversary of el poeta nacional de Escocia, Robert Burns. Alba learns some Scots and in return she teaches Mark a poem by Spanish poet Gustavo Adolfo Bécquer. The intermedio includes a review of the film Secretos del [...]
Advanced Audio Blog S3 #2 - Peruvian Cuisine: Ceviche
Learn Spanish with SpanishPod101.com! Since you’ve been visiting Peru, not only have you picked up more Spanish, but you’ve also packed on a few pounds! No doubt it’s because wherever you turn, friendly Peruvians are offering you a taste of their delicious cooking. After you struggle to fit into your pants one day, you decide [...]
Survival Phrases #46 - Survival for Vegetarians in Spain
Learn Spanish travel phrases with SpanishPod101.com! A little Spanish can go such a long way! Whether you’re traveling, visiting, or sightseeing, SpanishPod101.com has all the essential travel phrases just for you! Today we cover a high frequency Spanish phrase sure to be of use on your trip, travels or vacation to Spain. Even if you’re not [...]
Learn with Pictures and Video S3 #2 - Relaxing in the Evening with Mexican Spanish
“Since you’ve moved to Mexico to study Mexican Spanish, you’ve worked non-stop! The only time you have to yourself is when you go home in the evening, and this is the perfect time to study Mexican Spanish. Work, study and no time to relax…how unfair is that! But you’ve figured out a way to do [...]
Backward Counting 100 - 1
Good for ESL classes and youngsters, this video has a student count from 100 to 0 while the numbers are highlighted. The speaker has a strong accent, but that should not be a problem. The pointing counter isn't very accurate, so teachers may wish to point to the numbers.
Stroke Order: How to Write Chinese Characters : How to Write Large Numbers in Chinese
Learn to write Chinese characters today! Master Chinese calligraphy. These numbers, such as a hundred, thousand, ten thousand, are shown written slowly. Audio is in English
Teaching Teaching & Understanding Understanding (1/3)
This is a 19-minute award-winning short-film about teaching at university and higher-level educational institutions. It is based on the "Constructive Alignment" theory developed by Prof. John Biggs. The film delivers a foundation for understanding what a teacher needs to do in order to make sure all types of students actually learn what the teacher intends. There is a lot of good information here that would make it ideal for an inservice.
"Teaching Teaching & Understanding Understanding" (3/3)
This is four minute segment of this award-winning short-film about teaching at university and higher-level educational institutions. It has many good points such as good teaching gets students to use higher level thinking skills. A good video for an inservice. Constructive Alignment is stressed.
Space Terms and Definitions
A Second Grade class uses both pictures and simple demonstrations to illustrate basic space terminology. Some of the terms addressed in this video are: gravity, rotation, Grades K-3. 2 min.
Adding Negative Numbers
In this almost six-minute video, Sal Khan solves a problem using three negative numbers. Sal Khan of Khan Academy uses computer software for demonstration.
Scale of the Galaxy - Khan Academy
This is a thirteen-minute video concerning the scale of the galaxy. Sal Khan of uses computer software with images for demonstration.
In "Winnie the Pooh: Springtime with Roo," Tigger goes to have a word with Rabbit. What that word turns out to be may surprise you...Onomatopoeia! This video would be cute as a fun introduction to stylistic devices. (1:09)
Are Southern Hemisphere Seasons More Severe?
Are Southern Hemisphere seasons more severe because of the eccentricity in Earth's orbit? (07:17)
How Earth's Tilt Causes Seasons
In this video, Mr. Khan focuses on how the Earth's tilt causes seasons. Sal Khan of Khan Academy uses computer software with images for demonstration. (20:17)