Here's a little puzzle for you. See if you can find the four objects that are first-class levers. Remember that the fulcrum must be between the load and effort:
The answers will be posted soon!
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Anita Brandolini
Topic for February 2012
Contents
Brrrr!!!! (2/2/12)
I See I-CE! (2/2/12)
Shrinking and Growing (2/7/12)
Remove De Ice! (2/14/12)
Salty Roads (2/21/12)
"Bridge Ices Before Road" (2/23/12)
Snow, and Sleet, and Hail - Oh My! (2/27/12)
"No Two Snowflakes Are Alike": True or False? (2/29/12)
Snowflake Art (2/29/12)
I See I-CE! (2/2/12)
Shrinking and Growing (2/7/12)
Remove De Ice! (2/14/12)
Salty Roads (2/21/12)
"Bridge Ices Before Road" (2/23/12)
Snow, and Sleet, and Hail - Oh My! (2/27/12)
"No Two Snowflakes Are Alike": True or False? (2/29/12)
Snowflake Art (2/29/12)
Next Month's Topic:
Ask Dr. B!
Do you have a science question? Email Dr. B at drbssciencelab@gmail.com. Even if she doesn't know the answer, she will do some investigating and post the answer for everyone to read.
Dr. B
Anita Brandolini
About Dr. B
- Anita Brandolini,
- also known as "Dr. B", teaches chemistry at Ramapo College of New Jersey. She has a BS in chemistry from Drexel University, and an MA and a PhD in physical chemistry from the University of Delaware. She has long had an interest in explaining science to children and the public, working through organizations such as the American Chemical Society and Liberty Science Center. She has many scientific publications and has written a children's book, "Fizz, Bubble, and Flash! Element Explorations and Atom Adventures". Opinions expressed on this blog are those of the author only and do not represent those of Ramapo College or any other institution.
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List of Past Topics
- To view the information and activities for one of these topics, search the appropriate month through the Blog Archive below.
Acids (August 2010)- Airplanes (September 2010)
- Art (November/December 2010)
- Balloons (August 2011)
- Bubbles (September 2009)
- Candles
Candy (December 2009)- Chemical Elements (October 2009)
- Colors (February/March 2010)
- Cooking (November 2009)
Eggs (May 2010)- Electricity (November 2011)
- Floating (August 2009)
- Heat (July 2009)
- Levers (December 2011)
- Magnets (January 2010)
Metals (July 2011)- Mirrors (August 2010)
- Movies (October 2010)
- Recycling (September 2011)
- Secret Codes (October 2011)
- Sense of Smell (April 2010)
- Time (June 2010)
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