Students explain the uses of titration in chemistry and in industry. In this chemistry activity, students determine the concentration of an unknown solution using titration. They calculate the percent of salt in saline solutions.

Students discover how bison were hunted by the Native Americans and compare it to the buffalo. Using construction paper, they trace a bison outline given to them and use coffee grounds to fill in the space where the fur would be. They...

Pupils practice determining liquid densities in a short, hands-on lab activity. Students use a graduated cylinder to measure out 100 milliliters of a liquid, find its mass using a balance, and record measurements in a data table. Pupils...

Students listen to a story about a sea turtle sanctuary. They participate in a discussion about the sea turtles. They analyze some of the hazards that can hurt sea turtles and brainstorm ways to help the problem. They write and...

Students research different environmental issues in order to become familiar enough in order to brainstorm possible solutions. They form a task force that makes projects that are proposed solutions to environmental problems.

Learners create campaign materials to encourage the passage of legislation supporting higher education for immigrant minors. They produce flyers, brochures, pins and a voter presentation for a school fair. To prepare the materials they...

Learners build a tornado in a bottle and do various readings to explore tornadoes.

Middle schoolers watch as the teacher demonstrates: if a single liquid is placed in a U-shaped tube, the level of liquid on both sides are the same. When the mass is greater on one side than the other, liquid is pushed from one side to...

Students comprehend the four parameters of water quality. They perform tests for salinity, dissolved oxygen, pH and clarity or turbidity. Students comprehend why scientists and environmental managers monitor water uality and aquatic...

In this bioglyphs worksheet, students create a bioglyph diagram for themselves using the provided symbols for distinguishing characteristics. An example is provided.

Pupils are read the story "Snowballs" and discuss what the conditions must be for it to snow. They make snowmen out of snow when it snows outside. They discover what happens to their snowmen when they take them inside.

Students research a frog's life cycle and habitat using books, the Internet and lecture. Students make origami frogs, write letters to Toad from Arnold Lobel's "Frog and Toad" and participate in a simulated camouflage activity.

Students engage in a variety of pumpkin activities. This lesson is especially rich for ESL students, who probably have little experience with this holiday and custom.

Learners see how poets use words to paint pictures. The combination of a big snowstorm and hands-on materials make this lesson successful. There are some nice attachments that the students will really enjoy!

Learners compare and contrast Buddhist sculpture in varying materials through in-class discussions and small cooperative learning groups. This lesson includes possible lesson extensions.

Students create "marshmallow bunnies" using marshmallows, toothpicks, pink construction paper, and cloves in this quick and easy early-elementary level Art lesson. The 30-minute lesson is ideal for holiday ideas around Easter time.

Students demonstrate basic volleying skills. They perform the forward backward stride and discuss its benefits. Students portray flexed knees and elbows, as well as positioning of hands in preparation of a set pass. They communicate the...

Students investigate the environment of a stream or lake to collect and observe macroinvertebrates in their natural environment. They record data and summarize the information obtained. Students look to see if there has been any human...

Students observe the chemical change that occurs when sodium iodide is dropped into a flask containing 30% hydrogen peroxide. They discuss how this exothermic reaction occurred as they study the chemical equation involved in the reaction.

Young scholars make a bat from a paper tube. They suspend bats from the ceiling or create a "cave" from black construction paper on a bulletin board or wall. Have students help you! Tape or staple student made bats in the "cave" to...

In this ESL holiday worksheet, students read or listen to a passage about World Leprosy Day, then complete a variety of exercises about the passages focusing on comprehension and vocabulary.

Pupils extract DNA from split peas. In this biology lesson, students hypothesize what DNA looks like and perform the experiment to verify their hypothesis. They explain the importance of DNA in living things.

In this English worksheet, students read "Marburg Virus Death Toll up to 114," and then respond to 47 fill in the blank, 7 short answer, 20 matching, and 8 true or false questions about the selection.

Portraits in the collections of the National Portrait Gallery can be seen and understood with excellent gallery notes that also survey the history of portraiture in American art leading up to the modern period.