Students will measure the concentration of dissolved oxygen in an aqueous environment, both before and after the addition of two different pollutants common to acid mine drainage, sodium sulfite and sodium nitrate.
http://www.pasco.com/experiments/earth/january_2002/home.html
You will create samples of "acid rain" in the laboratory, using the pH Sensor to quantify the change in acidity of the "rain water".
http://www.pasco.com/experiments/earth/may_2002/home.html
At the top of your model, insert either a 30 ml crucible, a jar lid, or some other flame-resistant container.
http://www.west.net/~science/volcano.htm
To determine whether the level of certain chemicals in the tributaries to the Yakima River was different in the rural area of the Umptanum Creek compared to the urban area of the Wenas Creek.
http://www.selah.k12.wa.us/SOAR/SciProj2000/AlyC.html#top
Make impact craters and compare the size and depth of them.
http://www.tryscience.org/experiments/experiments_comet_athome.html
Satellites are used to monitor the condition of the earth's surface over large areas in a short time period.
http://www.cmis.csiro.au/RSM/intro/
The students will create a magnetometer to monitor changes in the Earth's magnetic field for signs of magnetic storms.
http://image.gsfc.nasa.gov/poetry/workbook/page9.html
We talk about the construction of a sidereal pointer. It is an instrument that allows you to localize each celestial object in the night sky, just knowing its coordinates.
http://www.funsci.com/fun3_en/sider/sider.htm
Hipparchus, who used an eclipse of the Moon to deduce the precession of the equinoxes, used a total eclipse of the Sun - probably in 129 BC - to estimate how far the Moon was.
http://www-istp.gsfc.nasa.gov/stargaze/Shipparc.htm
Crystals are not alive, but they can grow. Growing crystals requires a little time and patience. If you have both (plus a few other ingredients), you can grow your own crystal gardens.
http://www.yesmag.bc.ca/projects/crystal_gardens.html