This art history video discussion examines Mary Cassatt's "The Child's Bath," 1893, oil on canvas, 100.3 x 66.1 cm / 39-1/2 x 26 inches (Art Institute of Chicago).

This art history video discussion examines Mary Cassatt's "Woman with a Pearl Necklace in a Loge," 1879, oil on canvas, 32 x 23-1/2 inches or 81.3 x 59.7 cm (Philadelphia Museum of Art).

Entrainez la mémoire de vos élèves et aidez-les à pratiquer leurs opérations mathématiques grâce à notre superbe casse-tête des opérations.

Pour jouer avec votre classe, il vous suffit de :

-découper les pièces d’un casse-tête,

-mélanger les morceaux,

-faire le casse-tête en résolvant les additions ou les soustractions.

This is a lesson about the role of robots in space exploration. Learners will examine their prior notions of robots and then consider the characteristics and capabilities of a robot, like the Cassini-Huygens spacecraft, that would be sent into space to explore another planet. Students compare robotic functions to human body functions. The lesson prepares students to design, build, diagram, and explain their own models of robots for space exploration in the Saturn system. This is activity 5 of 6 in the Saturn Educators Guide.

This is a lesson about light in the outer solar system. Learners will demonstrate the effect of the inverse square law of illumination with distance and connect this to the functioning of solar panels at Saturn. Requires a silicon solar cell (available at an electronics parts store for a few dollars) and a multimeter.

Shadows, shadows, everywhere! In this lesson, students read fiction, informational text, and poetry about shadows to extend their knowledge of the concept before casting their own shadow poetry.

This activity was designed for blind learners, but all types of learners can use it to gain hands-on experience with various tools and materials used in design and construction. The students will make molds and duplicates for an engraved image.

Students observe the relationship between the angle of a catapult (a force measurement) and the flight of a cotton ball. They learn how Newton's second law of motion works by seeing directly that F = ma. When they pull the metal "arm" back further, thus applying a greater force to the cotton ball, it causes the cotton ball to travel faster and farther. Students also learn that objects of greater mass require more force to result in the same distance traveled by a lighter object.

Students learn about story structure, new vocabulary, and a variety of reading strategies by participating in an interactive read-aloud of "Miss Bindergarten Stays Home From Kindergarten" by Joseph Slate.

Students learn the importance of the Pythagorean theorem as applied in radar imaging. They use a sensor unit with IRED (infrared emitting diode) to measure triangle distances and the theorem to calculate and verify distances. Student groups calibrate the sensor units to ensure accurate distance measurements. A "pretend" outdoor radar imaging model is provided to groups for sensor unit testing.

This interactive, online activity introduces students to the electromagnetic spectrum. Students view the electromagnetic spectrum in its entirety and become familiar with the characteristics of waves. Images of the sun in different wavelengths of light are included to illustrate the concept that celestial objects can emit light in regions of the electromagnetic spectrum that our eyes cannot see. Upon completion of this activity, students will be familiar with the basic properties of waves and the electromagnetic spectrum. Student may work independently or in small groups to complete this activity. Detailed teacher pages, identified as Teaching Tips on the title page of the activity, provide science background information, lesson plan ideas, related resources, and alignment with national education standards. This activity is part of the online exploration "Star Light, Star Bright" that is available on the Amazing Space website.

A catenary is the curve created by a theoretical representation of a hanging chain or cable held at both ends.

Until roughly 1100, there were relatively few places of knowledge-making. Monasteries and abbeys had special rooms called scriptoria where monks copied manuscripts by hand. But the biggest places where knowledge was made were the Gothic cathedrals. Then Universities came along, too. This is the story of those two institutions!

Bycatch can be defined as the act of unintentionally catching certain living creatures using fishing gear. A bycatched species is distinguished from a target species (the animal the gear is intended to catch) because it is not sold or used. Marine mammals (whales, dolphins, porpoises), seabirds, sea turtles and unwanted or undersized fish are some examples of animals caught as by-catch The incidental capture of these animals can significantly reduce their populations. The most well known example of by-catch may be the unintentional mortality of spotted and spinner dolphins in the tuna fishing industry. "Dolphin-Safe" tuna was a result of this interaction (Be prepared to discuss how this came about with students, as it is something close to their daily lives). One important aspect to consider when discussing this issue is that laws protect some of the animals caught as by-catch (Marine Mammal Protection Act and Endangered Species Act). In this lesson, students will first be shown pictures of entangled marine animals and will discuss the definition of by-catch This will lead to discussions on why by-catching exists, how it impacts specific animals as well as humans, whether the students believe it is an important issue, and how by-catch can be reduced.

This lesson attempts to correct the common misconception that the Earth is closer to the Sun during the summer in the Northern Hemisphere. Proceeding from student preconceptions, small groups participate in an exploration of the cause of the seasons using a basketball, small globes and a lamp. This resource is from PUMAS - Practical Uses of Math and Science - a collection of brief examples created by scientists and engineers showing how math and science topics taught in K-12 classes have real world applications.

This lesson addresses the common student misconception that the Earth is closer to the Sun during the summer in the Northern Hemisphere. This lesson encourages students to voice this misconception at the beginning of the lesson and then attempts to correct it-first, by exploring the reason for it, and then by presenting an alternate explanation. Materials needed for the demonstration include a small globe and a desk lamp for each group of students, a large ball, and overhead transparency. This resource is from PUMAS - Practical Uses of Math and Science - a collection of brief examples created by scientists and engineers showing how math and science topics taught in K-12 classes have real world applications.

Watch the videos in each of these 5 sections to discover ways you can protect the planet—all without leaving your home!

In this concluding activity, learners will use notes from an earlier lesson to write a nonfiction piece about Saturn or Cassini. These final projects provide a way for children with varying learning styles to consolidate and share their learning. This is lesson 12 of 12 in the Mission to Saturn Educators Guide, Reading Writing Rings, for grades 3-4.

Students will compare and contrast different perspectives of the French Revolution as depicted in two works of art. Students will discuss the use of satire and caricature to comment on historical and current events and will create satirical cartoons based on contemporary issues.

Students will analyze art elements and symbolism in a late-19th-century painting, create a self-portrait, and learn a dance depicted in the painting