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Bend a wooden match in the middle, which will, of course, almost break it through, the two parts being only held together by an uncertain section. Now place it at an acute angle across the mouth of an empty bottle, with a nickel on top.
Ask the spectators how they would set about causing the coin to fall into the bottle, without either touching or breathing on the bent match or nickel. They are not likely to discover a solution without assistance.
Dip your finger in a glass of water and, holding it above the angle of the bent match, allow a few drops to fall upon the broken part. Swollen by the moisture, the fibers of the wood will tend to straighten themselves; and, little by little, you will see the angle of the match growing larger and larger, until, no longer supporting the coin, the latter will fall into the bottle.
Battelle/PNNL researchers participated in the 2nd annual Celebration of Science at John Dam Plaza in Richland. The event is festival-style, showcasing the amazing contributions of science-based industries in our community.
Terms of Use: Our images are freely and publicly available for use with the credit line, "Andrea Starr | Pacific Northwest National Laboratory"; Please use provided caption information for use in appropriate context.
PNNL staff volunteer for "Kids Outdoor Experience," including Fishing Day at the Columbia Park Fishing Pond. People of all ages who are members of Arc of the Tri-Cities were encouraged to participate.
Terms of Use: Our images are freely and publicly available for use with the credit line, "Andrea Starr | Pacific Northwest National Laboratory"; Please use provided caption information for use in appropriate context.
Spiro and representatives from USM's education and admissions departments visited School Day at the K on May 5, 2016.
Glue a couple of small lamp-shades securely together by their bases, or they may be two cones of cardboard. Now, with two smooth walking-sticks, construct an inclined plane by placing them on volumes of unequal height, as in the drawing; observing, however, that they form an acute angle with each other, whose apex falls beyond the smaller book.
Place the double cone near the lower angle, as in the drawing, close to the bottom of the inclined plane; and, to your astonishment, instead of seeing it roll down the remainder of the distance, it will appear to mount the reverse way, and steadily revolve uphill.
Why? The cone itself is really going down hill, for as the angle between the walking-sticks widens, it allows the center of gravity of the cone to descend lower and lower. It is but a curious optical illusion -- not a contradiction of the laws of gravity.
Local middle school students participate in a NCATS chromatography science experiment during the Frontiers in Science and Medicine event on Oct. 27, 2017.
Credit: National Center for Advancing Translational Sciences
A little science fun...
Beakerhead, the first annual festival of science, technology, and fun... With a little taste of Burning Man... www.beakerhead.org
Middle school students learn about the effects of water and alcohol on permanent and non-permanent markers during a NCATS chromatography science experiment at Frontiers in Science and Medicine event on Oct. 27, 2017.
Credit: National Center for Advancing Translational Sciences
Local middle school students participate in a NCATS chromatography science experiment during the Frontiers in Science and Medicine event on Oct. 27, 2017.
Credit: National Center for Advancing Translational Sciences
Scientist Running Test in lab
Photo © Edwin Remsberg. High res version available for license at www.remsberg.com
Dr. Diana Wehrell-Grabowski introduces keypoints that will introduced during the interactive STEM keynote workshop for parents during the Expanding Your Horizons Conference held at University of North Florida Feb. 2011.
Battelle/PNNL researchers participated in the 2nd annual Celebration of Science at John Dam Plaza in Richland. The event is festival-style, showcasing the amazing contributions of science-based industries in our community.
Terms of Use: Our images are freely and publicly available for use with the credit line, "Andrea Starr | Pacific Northwest National Laboratory"; Please use provided caption information for use in appropriate context.
Choose as rounded a pea as you can find, and soften it in water if it’s dry. Then skillfully impale it on a pin so as not to damage its exterior surface and shape. Then get a tube (or a straw) of very small bore and place the pea on one of its extremities, where it is kept in place by the pin which has been inserted in the tube.
Throw your head back until the tube is in a vertical position and blow gradually and slowly through it. The pea will rise up. Then blow more forcibly, and it will be sustained in space by the current of air, turning on itself when the breath strikes the pin.
Battelle/PNNL researchers participated in the 2nd annual Celebration of Science at John Dam Plaza in Richland. The event is festival-style, showcasing the amazing contributions of science-based industries in our community.
Terms of Use: Our images are freely and publicly available for use with the credit line, "Andrea Starr | Pacific Northwest National Laboratory"; Please use provided caption information for use in appropriate context.
Battelle/PNNL researchers participated in the 2nd annual Celebration of Science at John Dam Plaza in Richland. The event is festival-style, showcasing the amazing contributions of science-based industries in our community.
Terms of Use: Our images are freely and publicly available for use with the credit line, "Andrea Starr | Pacific Northwest National Laboratory"; Please use provided caption information for use in appropriate context.
This massive 884-page book contains a large collection of scientific amusements, including natural history; physics (including automata); gases; water; heat; light (including optical illusions, the thaumatrope, phenokistoscope, zoetrope, and the praxinoscope, ghost illusions, the stereoscope, telescope and microscope, photography, dissolving views, spectroscopy); acoustics; electricity (with electrical machines); galvanism; magnetism; applied electricity (including the telephone and phonograph); aeronautics; chemistry; mineralogy; new forms of transport; angles and the measurement of angles; astronomy and the solar system; geography and geology; meteorology; botany; zoology; games (including the magic top and the gyroscope), illustrated with over 900 engravings of equipment and diagrams.
Local middle school students participate in a NCATS chromatography science experiment during the Frontiers in Science and Medicine event on Oct. 27, 2017.
Credit: National Center for Advancing Translational Sciences
On Friday afternoon it rained during part of Beakerhead downtown activities, leading to scenes like this... Plus quite chilly, keeping crowds down...
Unmask super hero powers that we READ about and see in the movies with exciting interactive demonstrations. Groups over ten or more must register in advance.
Battelle/PNNL researchers participated in the 2nd annual Celebration of Science at John Dam Plaza in Richland. The event is festival-style, showcasing the amazing contributions of science-based industries in our community.
Terms of Use: Our images are freely and publicly available for use with the credit line, "Andrea Starr | Pacific Northwest National Laboratory"; Please use provided caption information for use in appropriate context.
Results from a NCATS chromatography science experiment at Frontiers in Science and Medicine event on Oct. 27, 2017.
Credit: National Center for Advancing Translational Sciences
Instructions:
Dissolve 1/4 tsp Na2SO4 in warm tap water.
Add universal indicator until solution is green.
Place on top of neodymium magnet.
Attach alligtaor clips to petri dish and 9 Volt battery.
References:
Dr. Chris Schrempp's "Fluidic Motor"
A circle of very thin paper is glued to a lightweight, wheel-like frame with paper wings fastened to the radii. The paper wheel can be kept in the air by means of a hand screen. Fanning the wheel from below will cause it to spin rapidly and remain airborne. This old toy is more fun in my opinion than the 21st century fliers held up by static electricity.