Students isolate DNA from different food sources. In this biology lesson, students research DNA extraction. They analyze DNA stands collected from the lab, and compare the differences between each.

Fourth graders calculate the angles and construct a pie graph of the percentages of the elements in the continental and oceanic crusts. Then they analyze the results. They can be assigned the task of researching the percentages.

Seventh graders practice math skills while becoming familiar with Texas' "Boom & Bust" economy and the natural history of the east Texas Piney Woods. They utilize worksheets and websites imbedded in this plan.

Seventh graders view overhead maps of Texas, explore history of Aldrige Sawmill, and practice math skills while becoming familiar with Texas' "Boom & Bust" economy and natural history of east Texas Piney Woods.

Seventh graders view a recent transparency of the average rainfall zones of the state of Texas. Using another transparency, they identify the Piney Woods subregion of the Gulf Coastal Plain and locate national forests and sawmills. ...

Students participate in a simulation in which they determine the town budget to help programs in their community for the young and old. In groups, they brainstorm a list of the needs of the young and old and share their thoughts on why...

Students investigate the city of Najaf and its present circumstances as part of the conflict in the Middle East. They conduct research using a variety of resources. They read an online news article while conducting brainstorming sessions...

Students discuss the merits of and problems with alternative medicines after watching a documentary entitled "The Alternative Fix." They discuss the documentary after completing the viewing guides.

Fifth graders convert kilometers to miles and calculate the range that historical aircraft can travel. They choose destinations by distance that can be traveled without refueling.

Third graders model the tag and recapture of bears and use proportions to estimate the population of the bears in their forest. This is a statistical sampling method used by scientists and naturalists to determine population numbers.

Second graders explain the relative size of fractions using symbolic and concrete representations. Groups of four students play a game which uses cards and unifix cubes. The game helps them get a visual understanding for the 'size' of...

Eighth graders determine food that they would need to survive in the wild. They graph the best foods for their environments and rate the survivability rate for each member of their group.

Third graders create a box big enough to hold a million dollars. This is a project fun to do near the winter holidays with inexpensive gifts included in the boxes. This hands-on lesson very effectively demonstrates the concept of volume.

Middle schoolers are introduced to the resource economies of recycling aluminum cans. They develop understanding about their own impact on the amount of solid waste produced and recognize the impact of recycling on energy and natural...

Students define vocabulary terms related to monetary policies, and apply monetary tools to solve economic scenarios.

Students identify "count" and "non-count" nouns, and examine and discuss the Earned Income Tax Credit. They define key vocabulary words, complete various worksheets, read a newspaper article, and answer discussion questions.

Students analyze cloud cover over Aruba. They compose and submit written conclusions which include data, analysis, errors in data collection, and references.

Students conduct an experiment to determine if water level is affected by a change in oxygen level or air pressure.

Students are able to explain why water is an indispensable resource in a written essay and class discussion. They identify at least three examples of where water has been a source of conflict between societies from a reading and...

In this space missions worksheet, students read about the launch of the space shuttle Magellan and its exploration of Venus. Students complete 2 short answer questions based on the reading.

In this matter activity, students review the Earth's layers, write balanced equations, and compare the properties of different elements. This activity has 29 fill in the blank questions.

In this coal worksheet, students compare the process of cogeneration with other process for generating power. Students determine what happens to the waste coal. This worksheet has 2 short answer and 8 true and false questions.

In this seafloor worksheet, students review the terms associated with formations found on the seafloor including sea mounts and seafloor spreading. This worksheet has 8 fill in the blank questions.

In this Arkansas reading comprehension worksheet, students read a 2-page selection regarding the state and the Civil Rights Movement and they answer 10 true or false questions pertaining to the selection.