Fingers can feel a heartbeat; but to SEE it, use a straw!
http://pbskids.org/zoom/activities/sci/drinkingstrawpulseme.html
From an old radio tube, some copper wire, and other inexpensive materials
http://www.noah.org/science/x-ray/stong/
The purpose of this experiment is to measure and compare the Vitamin C content in a variety of food samples and to determine the effect of various factors on Vitamin C concentration.
http://www.accessexcellence.org/AE/ATG/data/released/0490-MaryColvard/index.html
The purpose of this experiment was to determine if controlled atmosphere apple storage would affect the amount of malic acid and starch levels in apples.
http://www.selah.k12.wa.us/SOAR/SciProj2003/AlyssaB.html
The purpose of this project is to find out if processing foods produce gases. My hypothesis is that processing foods will produce gases.
http://scssi.scetv.org/mims/schools/blhs/science/y98/lw1.htm
The purpose of this project was to observe how the digestion of protein varies at different pH levels. My hypothesis was that a pH level of 4 would digest the protein fastest.
http://scssi.scetv.org/mims/schools/blhs/science/y99/charl1.htm
The purpose of this experiment was to test the effects of pesticides on insects
http://scssi.scetv.org/mims/schools/blhs/science/y98/laurn1.htm
The scientist predicted that Creatine Monohydrate would out perform any and all other possibilities of weight gain.
http://scssi.scetv.org/mims/schools/blhs/science/y99/chris1.htm
Is it possible to tell when mealworms may be out of breath? This simple experiment shows you how.
http://www.accessexcellence.com/AE/SH/NSTA_NOR/millard_worms.html
The avian embryo is amazing and exciting. In only three weeks, a small clump of cells with no characteristic features of any single animal species changes into an active, newly hatched chick.
http://www.msstate.edu/dept/poultry/avianemb.htm