What pain medication's capsule has the fastest breakdown after being
swallowed?
How many different colors are mixed to form a certain candy's color?
How does the pH of soil relate to the pH of the water around the soil?
How does time or season of harvest affect the chemistry and nutritional
content of food?
Do different brands of orange juice contain different levels of vitamin C?
How does the level of vitamin C and the pH of orange juice change with
time?
Does storage temperature affect the pH of juice?
How does temperature affect the rate of chemical changes in juice or fruit?
Do oranges gain or lose vitamin C after being picked?
How permanent are permanent markers?
What solvents (e.g., water, alcohol, vinegar, detergent solution) will remove
the ink?
Do different brands/types of markers produce the same results?
How long do home hair coloring products hold their color? Does brand
matter?
Does type of hair make a difference in determining the degree of
colorfastness?
How does previous treatment (perming, previous coloring, straightening)
affect initial color intensity?
Red Cabbage pH paper
Identification of common food adulterants
Rate of Fermentation of Juices
To determine which antacid could neutralize the most stomach acid
Sawdust as an alternative source for corkboard
Woodcraft from banana peduncle
Discarded plastics: A low cost tile
Flour from corn kernels (Zea maize)
Costless energy from wastes
Tiles made from Plastic Waste and cellophanes
Mosquito coil made from santol stalks and lanzones peelings
Ash made into flower pots and pen holder
The feasibility of banana bracket extract as an acid-base indicator
Powder dye from coconut lumber sawdust
Styro paste
Biological chalk from grind seashell
Shoe polisher out of charcoal and wax
Used camera films as wood varnish
Lagundi leaves extract as mosquito killer
Mayana leaves and coconut female flowers as a source of dye
Cloth dye out of bougainvillea flower
Ink from mangostene peeling
Biodegradable Plastic from Squash Starch