Animated simulation re-enacts Galileo's experiment of dropping objects off the Leaning Tower of Pisa.

[Free Registration/Login may be required to access all resource tools.] This Concept introduces students to good design for statistical studies or experiments.

Students analyze different experiments to determine independent variables, dependent variables and control groups.

For this activity, students conduct an experiment to investigate how difficult it is to clean up an oil spill. There is a comprehensive list of observation questions for students to respond to.

Online physics lab experiment in which students use resonating waves inside of a closed-end air column to determine the speed of sound. The form allows students to check their answers and receive immediate feedback.

An account portrays the experience of the men of the 9th U.S. Infantry in the days following the attack on San Juan Hill.

Life is very different for students in urban and rural communities. Find out how these differences impact their everyday lives and experiences in the classroom.

A primary source collection of the articles the former first lady wrote in her column, "My Day." Topics stretch the gamut of her high profile position and beyond.

An overview of Theodore Roosevelt's views on foreign policy beginning in his role as Assistant Secretary of the Navy, and continuing throughout his presidency. The article includes his creation of the Roosevelt Corolarry to the Monroe...

An experiment to investigate how bacteria causes oil to degrade over time, a process that helps the ocean slowly recover from an oil spill.

At this site from the Georgia State University is where the proof all starts. One must understand this experiment to have any confidence in relativity. Here's the experimental setup and a summary of the data.

Science Bob gives directions on how to make ice cream in a plastic bag.

This companion to the PBS series surveys the career of the longest-serving president in U.S. history and leader through the Great Depression and World War II.

This PBS site follows undercover journalist Nellie Bly (1864-1922) on her 72-day journey in 1889 around the world.

Describes the role that Rupert Blue, Surgeon General of the United States in 1918, played in combating and containing the influenza epidemic of 1918.

This is the official Jimi Hendrix website. Here you will find much information on this rock legend including audio, articles and pictures.

A collection of simple experiments your students will enjoy! Each activity only requires a few household items, and will certainly spark the creativity in young scientists!

A chance to complete an experiment with students around the world! This experiment requires students to test how much vitamin C is in certain foods. Once students receive their results, they post their findings to the page to compare to...

Video program explains the difference between observation and experiment and the principles of experiment design. Lesson draws on real-life example of heart disease study and a double-blind experiment. [28:39]

Perform virtual lab experiments safely. Pour and mix specific amounts of various solutions on screen and observe changes in temperature and pH. Choose glassware and other tools (ie. bunsen burner, scale) to assist with virtual lab...

Did you know that chemistry can be found in your kitchen? Enter this amazing virtual world where your first stop is to the kitchen. Locate the clues and move on to the Lab Journal where you can test each item in two experiments: Cabbage...

In this ZOOMSci experiment, you're invited to walk through a grassy or weedy field in your stocking feet, then plant a sock and see what grows.

A set of virtual experiment assignments where students investigate the biochemistry of hemoglobin and the role it plays in the functioning of human red blood cells. Includes background information, glossary, online notebook, and...

Written by Master Teachers, BetterLesson provides lesson plans for all core subjects. This site provides 15 lessons for RL.K.9: With prompting and support, compare and contrast the adventures and experiences of characters in familiar...