Purpose:
To become aware of the effects of convertinf potential energy into kinetic energy.
Supplies:
• String
• Tape
• Table
• Ruler
• Small ball (or another mass. I used a pen.)
Procedure:
Attach the mass to the string, using tape is nessacery. Attach the other end of the string to the end of the ruler.
Tape the ruler to the table, so that [...]
Purpose:
To activly observe Newton’s first law.
Supplies:
• A helper
• A small beanbag
• A sidewalk
• Three rocks
Proccedure:
Holding the beanbag at shoulder height, run down the sidewalk. Drop the bag when you pass your helper. Mark where it dropped with a rock.
Repeat, but have helper knock bag out of your hand. Mark.
Now have your helper, standing still, drop the [...]
Purpose:
To actively observe the y/dimension.
Supplies:
• Rubber Band
• Stopwatch
Procedure:
Hold the rubber band level with your nose and release. Time. Repeat four times and average.
Hold the rubber band vertical to the ground & flick across the room. Time. Repeat four times and average.
Calculations:
0.39 sec, 0.37 sec, 0.25 sec, 0.38 sec = average of 0.343
0.29 sec, 0.32 sec, 0.39 [...]
And not this one!
This is Nona, my pregnant guinea pig. She is nearly ready to burst!
A guiena pig’s gestation period last around 2 months. I have owned Streaga Nona since August 2nd, so she can’t go more than another 2 weeks.
The babies are born with hair, and their eyes are open. They can breed at [...]
Purpose:
To calculate a helper’s reaction tme, as well as my own.
Supplies:
• Your Lab Book
• A metric yardstick
Procedure:
Have helper hold ruler between thumb and first finger, and line your fingers up at chosen mark.
Relese the ruler without warning. The helper should close finger/thumb as soon as they can. Calculate their reaction time using the formula below.
Reverse [...]
Purpose:
To prove that gravity affects all objects in the same way.
Supplies:
• A large, heavy book
A smaller piece of paper
Procedure:
Hold the book in one hand and the paper in the other. Release them at the same instant.
Hold the paper on top of the book and release.
Calculations:
Acceleration due to gravity -
g = 9.8 m/sec(sq) or
g = 32 [...]
Supplies:
• Large Book
• Metric/English Ruler
• Paper and pencil
Procedure:
Lay book flat on a table top. Measure it’s length in inches. Measure it’s width in inches.
Multiply length•width for the surfce area.
Convert the length and width into centemeters.
Measure the book’s length and width in centemeters. Do these numbers coordinate with the conversions?
Convert the centemeters into the surface area [...]
For highschool students, an important part of Science will be a Lab.
Most colleges require at least 3 lab classes, so it’s benificial to do as many as possible.
Keeping a lab book is actully very easy. Simple buy a Composition book (for those thrifty teens, you can buy one at a dollar store. :]).
First off, number [...]
I got this recipe from a friend, who got it from a friend, who got it from a friend…
It’s a dense little cake that you can whip up in 5 mintues, using ingredients you probably have in your pantry right now! Which brings me to the dangerous part…everyone in the wordl is only [...]
No, nothing amazing has happened.
There haven’t been any planetary alinments.
I didn’t even get a 100 on my Math Test.
But today’s date IS 3/3/09. Square Root day.
Here’s an article taken from Scientific American.
http://www.sciam.com/blog/60-second-science/post.cfm?id=square-root-day-3309-is-upon-us-2009-03-03
Math lovers and numerologists take note: Today, March 3, 2009, is square root day.
The unofficial holiday comes around but nine times a century, when [...]
