In this tangents activity, learners use tangent ratios to find the length of the sides of right triangles. This one-page activity contains 10 multi-step problems.  Answers are provided.

In this geometry activity, 10th graders use right triangle trigonometry to find the missing angle measure or side length in right triangles. The one page interactive activity contains ten questions. Answers and hints are included. 

Students explore U.S. history by participating in a class field trip. In this museum lesson, students attend a field trip to the Natural History Museum and identify cultural stories and art pieces they enjoy. Students collaborate in...

Students explore how energy transforms into heat.  In this energy instructional activity students create models and find a need for fuel to make a Stirling engine. 

In this earth science worksheet, learners find the vocabulary words related to minerals by unscrambling the letters. They also complete other word puzzles.

Students discover interesting and factual information about another country using the Internet and produce a flyer consisting of the information they find.

Students analyze the basic techniques used to find and produce oil. They also create a small project that allows them experiment with solutions to maximize the amount of colorless liquid produced from colored solutions.

Students find common needs between plants and animals. In this plants and animals lesson students compare that both plants and animals need food and water. They also find the differences between plant and animal needs.

For this math worksheet, students add or subtract fractions. Students find common denominators where needed and simplify their answers. Hints are available.

Learners investigate the acidity of foods using titration. In this acidity of foods lesson plan, students find the acid concentration of 4 fruit juices by titrating them each with sodium hydroxide and an indicator to find the end point. ...

For this NASA satellites worksheet, students read about the Magnetosphere Multi-Scale satellite constellation that NASA will launch in 2013. They solve 4 problems including finding the volume of the MMS constellation, finding how long it...

For this word search about Hercules worksheet, students read facts with underlines words and find the underlined words in the word search. Students search and find 12 answers.

Learners investigate shipwrecks. For this marine archaeology lesson, students create the site of a shipwreck by using a tub filled with sand and items from a "ship". Learners excavate the site and analyze the findings.

In this are of right triangles worksheet, students read graphs and explore congruent triangles.  They find the area of rectangles and of right triangles.  This one-page worksheet contains explanations, instructions, and 8...

Students measure respiratory rates on live toads, and the effect water temperature has on their findings.  In this scientific method lesson, students record their findings and present them in a graph, comparing the results.

Students explore the culture of Liverpool.  In this World History lesson, students research a variety of events and activities in Liverpool, then they work in groups to prepare a class presentation to share their findings.

In this online math worksheet, students practice finding the area of a trapezoid, given the height and length, This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A...

Students research principles of flight. They design their own paper airplanes and make predictions about the performance of different designs. Students keep track of their findings in an electronic journal.

For this pirates worksheet, students complete a crossword puzzle by researching and finding the answers to eight questions going both across and down.

Students study the African American troop experiences in the Civil War. In this American history lesson, students examine primary and secondary sources regarding the experiences and contributions of African American soldiers who served...

Learners examine the presidencies and John F. Kennedy and Lyndon B. Johnson. In this American history lesson, students specifically analyze the civil rights support of the 2 presidents and their support of civil rights legislation....

Students read an article and learn about building green.  In this environment lesson, students visit a website to learn about Mark Baker and Nonnie Chrystal.  Students write down the three events that led them to explore...

Learners explore the immigration wave that hit the United States in 19th century. In this immigration lesson, students examine primary and secondary sources to determine what the immigration experience was like for new citizens. Learners...

Students examine leaves and the trees in their neighborhood that they came from.  In this ecology lesson, students read the book, I Can Name 50 Trees Today, and discuss how a tree goes from a forest to a wood shop.  Students...