Students assess how much harm UV radiation can have on your skin and how much protection is provided by sunblock, sunglasses and clothing. They experiment with UV index numbers and the amount of exposure risk of skin damage for any given...

Learners in pairs, select and view proteins from the Protein Data Bank. After downloading the tutorial and instructions, they identify the protein's structures and primary biological functions. Then, students present their findings to...

Students discuss the Rosenberg spy case during the Cold War. They research and report on a recent or current investigation into espionage by people working for the U.S. government. Students find out what they can from newspapers,...

Students examine a PBS special about howler monkeys as an introduction to scientific forensic investigative methods. In groups, they conduct a host of experiments containing clues which point to discovery. By challenging assumptions,...

In this agriculture worksheet, middle schoolers find the facts needed to construct a website focused around giving information about products that are made from corn.

In this heredity worksheet, students will complete a graphic organizer with information relating to heredity, incomplete dominance, selective breeding, and hybrids.

In this taxonomy worksheet, students understand how organisms are classified using Linnaeus' system. Students classify organisms as either plant or animal. This worksheet has 24 fill in the blank and 6 matching questions.

In this evolution worksheet, high schoolers access a specific website and then answer questions about human evolution based on what they discovered at the website. This worksheet has 19 short answer questions and 3 essay questions.

Students investigate dinosaurs through books. In this lesson about dinosaurs, students read a variety of books about dinosaurs. Students become familiar with dinosaurs through reading about them. Students learn that reading is...

In this sampling errors learning exercise, students problem solve to find the sampling errors for each word problem. Students finish by finding a sampling method that might bias the last surveys.

In this solar winds activity, students determine the strength of magnetic storms in terms of the size of the change they make in the Earth's magnetic field. This learning exercise has 3 problems to solve.

In this black hole worksheet, students use an x-ray image and a sound waves image to determine the size and the wavelength of the sound wave. This worksheet has 3 problems to solve.

Students research inventors and inventions and their impacts. In this invention lesson, students research inventions and their affects in good and bad ways.

Seventh graders practice reading maps.  In this geography lesson, 7th graders compare a topographical map to a picture of the actual place. 

Students study weather proverbs. In this weather lesson, students list weather proverbs and complete the worksheet to test the proverb. Students design an experiment to test the weather proverbs and conduct the experiments.

In this economics text dictation, 9th graders take dictation on a passage about economic theory, applied economics, and economic history.

Students become cookie paleontologists. In this paleontology lesson, students try to excavate whole chocolate chips from a chocolate chip cookie without breaking the cookie. They use toothpicks and paintbrushes to do it. 

In this English worksheet, students read "One Way Ticket to Mars Mission," and then respond to 1 essay, 47 fill in the blank, 7 short answer, 20 matching, and 10 true or false questions about the selection.

In this English activity, students read "Summer Holidays Stress Workers Out," and then respond to 1 essay, 47 fill in the blank, 7 short answer, 20 matching, and 8 true or false questions about the selection.

In this English worksheet, students read "The Chicken Came Before the Egg," and then respond to 1 essay, 47 fill in the blank, 7 short answer, 20 matching, and 10 true or false questions about the selection.

In this English worksheet, students read " Russian Breaks Time-in-Space Record," and then respond to 1 graphic organizer, 27 fill in the blank, 15 short answer, 20 matching, and 8 true or false questions about...

Students reflect on the possibility of bringing extinct species back to life.  In this ESL activity, students debate the pros and cons of extinction reversal then complete several activities centered around the topic.

Ninth graders examine the the toxic spill in Hungary. In this Hungarian lesson, 9th graders read an article and answer guided questions. Students write an email to their teacher explaining the causes and effects of the Toxic disaster.

Students observe yeast fermentation using different energy source. In this chemistry lesson, students measure the gas collected in the balloon. They upload their observations on the internet so they can share it with kids across US.