Tuesday October 10, 2017 You need your notebook. No computers. Take out yesterday’s assignment Vocab words and relations.

Chemical Energy Using the textbook and/or a personal device, on a blank sheet of paper define each of the following terms/phrases AND explain how they all relate to chemical energy. Chemical energy Potential energy Electron Law of Conservation of Energy Covalent Bond Atom Molecule Chemical reaction

Chemical Energy Using the textbook and/or a personal device, on a blank sheet of paper define each of the following terms/phrases AND explain how they all relate to chemical energy. Chemical energy – the energy of a compound that changes as its atoms are rearranged.

Chemical Energy Using the textbook and/or a personal device, on a blank sheet of paper define each of the following terms/phrases AND explain how they all relate to chemical energy. Chemical energy Potential energy – the energy that an object has because of it’s position, shape, or condition.

Chemical Energy Using the textbook and/or a personal device, on a blank sheet of paper define each of the following terms/phrases AND explain how they all relate to chemical energy. Chemical energy Potential energy Electron – a subatomic particle that has a negative charge; responsible for making chemical bonds.

Chemical Energy Using the textbook and/or a personal device, on a blank sheet of paper define each of the following terms/phrases AND explain how they all relate to chemical energy. Chemical energy Potential energy Electron Law of Conservation of Energy – the law that states that energy cannot be created or destroyed but can be changed from one form to another.

Chemical Energy Using the textbook and/or a personal device, on a blank sheet of paper define each of the following terms/phrases AND explain how they all relate to chemical energy. Chemical energy Potential energy Electron Law of Conservation of Energy Covalent Bond – a bond formed when atoms share one or more pairs of electrons.

Chemical Energy Using the textbook and/or a personal device, on a blank sheet of paper define each of the following terms/phrases AND explain how they all relate to chemical energy. Chemical energy Potential energy Electron Law of Conservation of Energy Covalent Bond Atom – the smallest unit of an element that maintains the properties of that element.

Chemical Energy Using the textbook and/or a personal device, on a blank sheet of paper define each of the following terms/phrases AND explain how they all relate to chemical energy. Chemical energy Potential energy Electron Law of Conservation of Energy Covalent Bond Atom Molecule – the smallest unit of a substance that keeps all of the physical and chemical properties of that substance.

Chemical Energy Using the textbook and/or a personal device, on a blank sheet of paper define each of the following terms/phrases AND explain how they all relate to chemical energy. Chemical energy Potential energy Electron Law of Conservation of Energy Covalent Bond Atom Molecule Chemical reaction – the process by which one or more substances change to produce one or more difference substances.

Chemical Energy Objective: Students will understand that chemical energy is the result of the potential energy stored within the chemical bonds of a material.

Chemical Energy Energy that is stored within the chemical composition of matter A form of potential energy The amount of energy is dependent on the arrangement of the atoms within a substance and the chemical bonds associated with that substance Molecules with double or triple covalent bonds have more energy associated with them What is a covalent bond?

Chemical Energy When chemical energy is used, it is usually converted into heat or mechanical energy Law of Conservation of Energy! Chemical energy always results from a chemical reaction!

Chemical Energy Cont. Chemical energy is less visible Obvious exceptions exist: i.e. firecrackers When chemical bonds are broken energy is released and new substances are formed.

Chemical Energy Cont’d When atoms of molecules are rearranged they undergo chemical changes and release energy. Atoms are not altered, only molecules.

Chemical Energy

As you watch the video, write down 5 facts about chemical energy in your notes.