animal testing

The Marsh Test, developed in 1832, was designed to detect poison in drinks. A short history of this test is provided along with photo of the test apparatus.

A map of the United States showing the results of a test vote of the Compromise of 1850 in the House of Representatives. The Compromise of 1850 was a series of bills attempting to resolve the territorial slavery controversy following the...

A map of the United States in 1854 showing the results of the test-vote on the Kansas-Nebraska Bill in the House of Representatives, which would repeal the Missouri Compromise of 1820 and allow territorial settlers to determine if...

Built in 1964 to conduct mechanical and vibrational tests on the fully assembled Saturn V rocket; major problems capable of causing failure of the vehicle were discovered and corrected here.

An image of the Rocket Propulsion Test Complex.

An image of the Spacecraft Magnetic Test Facility.

test

Colorful liquids in test tubes.

A photo showing a side on angle view of colored test tubes sitting in a rack.

A scientist undertakes a flame test while wearing large protective goggles.

This photo shows a scientist looking closely at a group of test tubes in a laboratory.

A simple overhead photo of a group of test tubes, similar to something you might see in a high school chemistry lab.

Defines the vertical line test and provides a diagram showing graphs which pass and fail the test. Also provides several links for further information.

animal testing

animal testing

In this lesson, students learn about the advent of neuromarketing as a means to assess the effects of certain brands on the brain activity of prospective buyers. They then design their own experiments that test the power of certain...

Introduce yourself to writing symbols of various African people. Then test your skills with this online memory game.

Introduce yourself to writing symbols of various African people. Then test your skills with this online memory game.

Introduce yourself to writing symbols of various African people. Then test your skills with this online memory game.

Introduce yourself to writing symbols of various African people. Then test your skills with this online memory game.

Introduce yourself to writing symbols of various African people. Then test your skills with this online memory game.

Introduce yourself to writing symbols of various African people. Then test your skills with this online memory game.

Introduce yourself to writing symbols of various African people. Then test your skills with this online memory game.