Chemistry

Energy is required to break down substances, and it is released when new substances are formed. 'Heat' is most often released when a chemical reaction takes place, but with 'endothermic reactions', heat is absorbed and the reaction gets colder...

Energy is required to break down substances, and it is most often released when new substances are formed. Some chemical reactions called an 'endothermic reaction', also absorb energy or 'heat' in order to proceed, and the temperature of the...

We all know how important it is to get enough 'Vitamin C' in one's diet, but how long does Vitamin C in fruit juice last? Find out in the following science experiment.

Carbon dioxide also scientifically known as CO2, which is widely used in fire extinguishers are commonly used to put out fires because it is heavier than air. In this science experiment we will be putting out a fire invisibly...

Many people give balloons to congratulate someone, say happy birthday or get well soon, but unfortunately, they do not last forever and all balloons deflate over time. In this science experiment, you will test how the size of...

New paper is made from soft-pulp trees that is cut down and sawed into bolts for processing. These days, up to 40 % of paper is recycled to make new paper worldwide. For this science experiment, we will make...

All matter on earth comes in three forms: Solids, liquids and gases. Examples of solids are: Rock, wood or salt. Examples of liquids are: Milk, water or mercury as found in some thermometers. Examples of gases are: Oxygen or...

Measure the viscosity of various liquids by calculating the average time a round solid object takes to fall through the liquid to the bottom of a bottle in the following science experiment.

People living in very cold climates depend on fatty foods for energy, but fatty foods are also the reason for the many obese people around the world! Let's test the fat / oil content in some everyday foods with...

Scents are almost certain to bring back memories for nearly anyone. Just think of the fragrance of a rose, the scent of old cedar, the heady aroma of lavender. Perfume making is one of the oldest forms...