This short video and interactive assessment activity is designed to teach second graders an overview of rounding decimal numbers.

This short video and interactive assessment activity is designed to give fifth graders an overview of rounding decimal numbers.

This short video and interactive assessment activity is designed to give fourth graders an overview of rounding decimal numbers.

This short video and interactive assessment activity is designed to teach second graders about rounding to the nearest 2 decimal places, or the hundredths place.

This art history video discussion looks at Peter Paul Rubens' "The Consequences of War", 1638-39, oil on canvas (Palatine Gallery, Palazzo Pitti, Florence).

This art history video discussion examines Peter Paul Rubens' "Arrival (or Disembarkation) of Marie de Medici at Marseilles",1621-25, oil on canvas, 394 x 295 cm (Musee du Louvre, Paris).

This art history video discussion looks at Saint Peter's Basilica and the numerous architects (see below) who contributed to Saint Peter's Basilica (Basilica Sancti Petri in Latin), begun 1506 completed 1626, Vatican City. Architectural contributors include: Donato Bramante who's design won Julius II's competition; Antonio da Sangallo, a student of Bramante, designed the Pauline Chapel; Fra Giocondo strengthened the foundation; Raphael worked with Fra Giocondo, his redesigned building plan was not executed; Michelangelo designed the dome, crossing, and exterior excluding the nave and facade; Giacomo della Porta, designed the cupola; Carlo Maderno, extended Michelangelo's plan adding a nave and grand facade; Gian Lorenzo Bernini added the piazza, the Cathedra Petri, and the Baldacchino.

This art history video discussion looks at Basilica of Santa Maria Maggiore, Rome, 5th century A.D.

This art history video discussion looks at Sarcophagus of Junius Bassus, marble, 359 C.E. (Treasury of Saint Peter's Basilica).

This art history video discussion looks at John Singer Sargent's "Carnation, Lily, Lily, Rose", 1885-86, oil on canvas (Tate Britain, London).

There are many misconceptions about the chemistry concept, “Conservation of Mass”. Thus, the aim of this video lesson is to teach students about the chemical concept of Conservation of Mass through several chemistry experiments. The students will carry out experiments while assisting a fortune teller named Pak Belalang to gain victory for his kingdom. In an effort to help Pak Belalang, students should be able to answer all the questions related to the Conservation of Mass that are posed by an evil witch. In this video, materials such as a box of matches, a closed and open container, a box of panadol soluble tablets (Alka-Seltzer), and weighing scales are needed. At the end of the lesson, students will be able to see that mass is “conserved”. The lesson will take up to 60 minutes to complete.

This art history video discussion looks at Christian Schad's "Self-Portrait", 1927, oil on wood, 29 x 24-3/8 inches, 76 x 62 cm (Tate Modern, London).

This art history video discussion looks at Egon Schiele's "Hermits" 1912, oil on canvas (Leopold Museum, Vienna).

This art history video discussion looks at Egon Schiele's "Seated Male Nude (Self-Portrait)", 1910, oil and gouache on canvas (Leopold Museum, Vienna).

Part One of this video lesson will explore the science that explains soap bubbles, as well as the application of this knowledge to other areas, such as architecture and biology. We first introduce the concept of surface tension. In Part Two of this video lesson, students will learn where the colors of soap bubbles come from and also learn what soap bubbles and telescopes have in common. The students will first make a connection between light and waves waves and will then go on to explore various characteristics of waves through a series of classroom activities.

This art history video discussion looks at "The Seated Scribe"‚ c. 2620-2500 B.C.E., c. 4th Dynasty, Old Kingdom, painted limestone with rock crystal, magnesite, and copper/arsenic inlay for the eyes and wood for the nipples, found in Saqqara (Musee du Louvre, Paris).

This short video and interactive assessment activity is designed to teach third graders about selecting capacity by comparison.

This short video and interactive assessment activity is designed to teach fifth graders about converting capacities using illustrations (english units).

This short video and interactive assessment activity is designed to teach fourth graders about converting capacities using illustrations (english units).

This short video and interactive assessment activity is designed to teach fifth graders about selecting the greatest value.