Experiments About Chemistry
What things will a (Slime) colloid stick to? How long does it take for milk to sour? Will steel wool rust faster in vinegar, bleach (dangerous), or water? What factors affect the size of growing crystals? Do color candles burn faster than white candles? Does the fluid affect the floating level of various materials? Can the size of an Alka-Seltzer tablet cause a change in the “rate of reaction” in dissolving? Can milk stick to milk? What ratio of vinegar to baking soda will make a balloon blow up the most? Which cleans old pennies better – liquid hand soap or vinegar? What’s the difference between a physical and a chemical change? Does the temperature of white vinegar affect the chemical reaction when mixed with baking soda? Which brand of stick pen will write the most miles? Is there a difference in various pH levels in different types of apples? Does the temperature of a cup of water affect how fast sugar will dissolve in it? What are the best ratios of materials for making a colloid like Slime? Which kind of water can hold the most sugar in a cup of very warm water? (Distilled or tap water?) Does a Diet Coke float at a different level than regular Coke? What materials demonstrate the best adhesion of sticking to a glass jar? Which brand of cottage cheese will last the longest in a refrigerator without spoiling? Which kind of water can hold the most sugar in a cup of very warm water? (Distilled or tap water?) What will affect the rate of corrosion of iron nails faster – regular soap or antibacterial soap? Does white chalk or yellow chalk break down faster in white vinegar? What ratio of salt to water will make raisins plump back up the most? Does the temper-ature of water affect the time it takes for the water to freeze? How does table salt affect the boiling temperature of water? What cereals contain tiny particles of iron? Which sours first – 1%, 2%, or whole milk? Does temperature affect the reaction rate of dissolving solutes like salt? Does oxidation of an apple take longer in the refrigerator or on the counter? How does the soap brand affect the bubble height in a container partially filled with water? Does a penny clean better with ketchup, salt water and vinegar, or steak sauce?
pH Paper $4.90	Plastic Test Tube and Stoppers $4.29
Electricity and Magnetism Human Body Biology and Botany Chemistry Light and Sound Forces Heat Air and Water Miscellaneous

Student Molecular Model Set $16.95

Allow students to take an active part in learning using this Molecular Model Set. This hands-on tool is excellent to teach the basics of molecular structures. Colored plastic balls represent atoms, while 3 different lengths of springs represent different types of molecular bonds. Comes with instructions, springs and 35 colored plastic balls: 6 black (carbon); 2 blue (nitrogen); 15 yellow (hydrogen); 4 red (oxygen); 4 green (chlorine); 2 orange (sodium); and 2 purple (potassium). All housed in a sturdy wooden storage case.

Basic Compound Microscope
$139

This basic compound microscope is an excellent unit for the younger scientist. It features all metal construction for ruggedness and durability at an economical price. This unit has a 10x wide field, locked- in eye piece mounted at a 45 degree angle for comfort. The triple nosepiece features 4X, 10X, 40X objectives. This scope also has low-position coarse focusing with a built in slip clutch to prevent gear damage. The built-in 110V illumination is great for viewing all types of specimens.

Go to our science store to see more items of interest.