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- Grade Range
- 4th - 12th
- Rating

Students examine how illustrations complement poetry. They select a poem, illustrate their poem on the school sidewalk using chalk, and explore various poetry websites. Full Review »
- Grade Range
- 6th - 8th
- Rating

Students study individual fields of science and how those fields complement each other in the ongoing study of human origins. They prepare a brief oral presentation giving an overview of how their chosen scientific fields complement each other. Full Review »
- Grade Range
- 9th - 12th
- Rating

Students observe and solve examples of the complementary angle theorem. They complete the How Do You Pay a Complement to an Angle worksheet, and write a response in their math journal. Full Review »
- Grade Range
- 9th - 12th
- Rating

Students observe and experiments with color, light and vision. They discuss photochemicals and proteins, eye structure and function, images, component colors of white light, and colors and their complements. Full Review »
- Grade Range
- 8th
- Rating

Students find missing angles of triangles, quadrilaterals and angles formed by parallel lines cut by a transversal. They use area formulas to find the area of a figure; find the complement and supplement of a given angle; and know the value of pi. Full Review »
- Grade Range
- 8th
- Rating

Students identify the complement of an event, e.g. 'The complement of drawing a red card from a deck of cards is drawing a black card'. After a lecture/demo, student groups solve a variety of complementary events. Full Review »
- Grade Range
- 7th - 12th
- Rating

Students analyze the meaning of songs, how its music complements the lyrics, and how the meaning can evolve over time. They make a compelling presentation of a favorite song lyric and find inspiring sources for new songs in the newspaper. They explore using other songs as inspiration for new ones. Full Review »
- Grade Range
- 11th - 12th
- Rating

Students perform an experiment to demonstrate the principles of antibody-antigen binding, the secondary immune response, cross reactivity, and complement fixation. The materials to be used include antibodies from a rabbit that was injected once with red cells from a sheep and also one that was injected three times with the red cells from a sheep. Full Review »
- Grade Range
- 9th - 10th
- Rating

Students identify two factors that determine consumer demand as well as substitutes and complements for selected goods and services. After examining advertisements, they distinguish between fact and opinion and explore the factors that influence consumer demand and spending decisions. Full Review »
- Grade Range
- 9th - 12th
- Rating

Students use the Axes and Measure Angle tool to explore and calculate complementary angles with teh Cabri Jr. They also identify what happens to the calculation as they drag the endpoint into a different quadrant. Finally, students label each point to clearly define the angles and identify when the angles become supplements. Full Review »

