Learn about microwave radiation. Discover the definition, properties, sources, uses, and health effects of microwaves.| Science Notes and Projects
Learn what a mixture is in chemistry. Get the mixture definition and examples and learn about homogeneous and heterogeneous mixtures.| Science Notes and Projects
Learn about the main types of chemical reactions and their names. See examples and chemical equations for each type of reaction.| Science Notes and Projects
Here are examples of compounds with both ionic and covalent bonds. Learn how to tell which bonds are ionic and covalent using a periodic table.| Science Notes and Projects
Learn what a chemical reaction is in chemistry. Get the chemical reaction definition and examples and learn how to recognize one.| Science Notes and Projects
Learn about hand warmer chemistry and get instructions for four easy chemical hot packs. Learn how chemical hand warmers work.| Science Notes and Projects
Radio waves are low-frequency electromagnetic waves used in communication, radar, and astronomy. Discover their sources, uses, and effects.| Science Notes and Projects
Find out why fire is hot, learn how hot it is, and see the temperatures of various colors of flames from different types of fuels.| Science Notes and Projects
Learn about single, double, and triple bonds. Get examples of compounds and learn the properties of these types of covalent bonds.| Science Notes and Projects
Get the coordinate covalent bond definition and examples. Another name for this bond is a dative bond or dipolar bond.| Science Notes and Projects
Learn about intramolecular forces. See the types of intramolecular forces and learn whether they are stronger than intermolecular forces.| Science Notes and Projects
Learn about valence electrons. Get the definition and a periodic table showing the number of valence electrons for each element.| Science Notes and Projects
Learn about metallic bonding and see how it differs from ionic and covalent bonds. Get examples of metallic bonds.| Science Notes and Projects
Learn the difference between ionic and covalent bonds. See examples of the two types of chemical bonding and how to predict which type of bond will form.| Science Notes and Projects
Get the ionic bond definition and examples in chemistry. Learn which types of atoms participate in ionic bonding.| Science Notes and Projects
Discover how fireworks work via the science of chemistry and physics. Learn about their history, parts, colors, and environmental impact.| Science Notes and Projects
Learn what a chemical is. Get the chemical definition and examples and explore the importance of these substances in everyday life.| Science Notes and Projects
Learn about intermolecular forces between molecules. Get a list of forces, examples, and find out which is strongest.| Science Notes and Projects
Get the definition of electronegativity in chemistry. Learn about the trend of electronegativity on the periodic table of the elements.| Science Notes and Projects
Get the covalent bond definition and examples in chemistry. Learn about the different types of covalent bonds and which elements participate.| Science Notes and Projects
Learn about chemical energy. Get the chemical energy definition and examples and learn how chemical energy changes into other forms.| Science Notes and Projects
Get the hydrogen bond definition. See types and examples of hydrogen bonds. Learn about unusual consequences of this chemical bond.| Science Notes and Projects