Bacteria’s Positive and Negative Impacts on Humans and Animals

Most Bacteria are more beneficial to living things than simply causing diseases. Bacteria are single-celled, or simple, organisms that are invisible to the naked eye. Many bacteria are found both inside and outside of organisms, including humans. Bacteria are also found on surfaces and in substances like water, soil, and food, making them key players…

Inflate a Balloon with Yeast Fermentation Experiment: Lab Explained

INTRODUCTION Yeasts are eukaryotic, single-celled microorganisms that belong to the fungal kingdom. When yeasts consume sugar and convert it to energy, they emit carbon dioxide, this is referred to as fermentation. The yeast will be more active and develop faster if there is more sugar present. While sugar and other sweets provide “food” for yeast,…

The Effect of Temperature on Hydrochloric Acid and Bath Bombs to Produce Carbon Dioxide Lab Answers

INTRODUCTION: Bath bombs consist of a wide range of ingredients, including bath salts, food coloring, fragrance, citric acid, sodium carbonate, and other components. Bath bombs ‘fizz’ when water inclines to trigger a reaction between an acid and a base (neutralizing substance). Many bath bombs contain citric acid, and sodium carbonate, which incline to have a…

Enzymes as a Biological Catalyst

ENZYMES AND METABOLISM Chemical reaction – a process that changes/transforms one set of chemicals into another. Chemical reactions always involve changes in the chemical bonds that join atoms in compounds. Reactants – elements that begin/enter the chemical reaction Products – elements that are produced by chemical reaction Energy may be either released or absorbed during…

Properties of Metals, Nonmetals and Metalloids

Property Metals Nonmetals Metalloids Luster Metals reflects light from their surface and can be polished for example in gold, silver and copper. Nonmetals does not reflect light. They are not lustrous. Malleability Metals can withstand hammering and can be shaped into thin sheets such as foils. Nonmetals are non-malleable. Metalloids are not malleable. Ductility Metals…