What is a Chemical Reaction? What do baking bread, riding in a car, and digesting food all have in common? What Do You Think?

Slides:

Advertisements

Similar presentations

Midway Middle School. Produces a new substance *Saliva breaking down food during chewing *Cellular respiration *Burning wood *Rotting banana *Photosynthesis.

Advertisements

Chemical Formulas & Equations. Molecule A combination of two or more atoms bonded together.

Chemical Formulas & Equations 8 th Grade Science 2010 H 2 O NaCl CO 2 2H 2 + O 2 = 2H 2 O.

CHEMICAL EQUATIONS, SYMBOLS, FORMULAS & LAW OF CONSERVATION 7-5.5, &

Changes in Matter Chapter Seventeen: Chemical Reactions 17.1 Understanding Chemical Reactions 17.2 Energy and Chemical Reactions.

© Fall 2005, Pflugerville ISD, 8th GradeUnit A : Chapter 1 : Section 1 What is a Chemical Reaction? What do baking bread, riding in a car, and digesting.

Word Equations and Simple Types of Reactions.  Word equations are always written in the same format:  The left side of the equation lists all reactants.

Matter Vocabulary. __________________ anything that has mass takes up space matter.

Chapter 5- Chemical Reactions

Chemical Formulas. Chemical Formula: An easy way for scientist to describe a molecule using the element symbols. H2OH2O C0 2 NaCl.

Compounds Chemistry Lecture #3 Elements Entangled Element – the simplest type of pure substance Pure substances that are made of more than one element.

The Language of Chemistry Matter, Symbols, Formulas & Chemical Equations.

Elements & Compounds Notes TEKS: (6.5) Matter and energy. The students knows the differences between elements and compounds Differentiate between elements.

Physical, Chemical, and Energy Changes in Digestion and Homeostasis Unit Review.

1.There are billions of materials in our universe. 2.Those materials are made up from about 100 elements only. Atoms and Elements.

Nomenclature Writing and Naming Chemical Compounds.

Explain using diagrams and examples what the following mean? Atom Molecule Element Compound Mixture.

Elements and Compounds. What is an element? A pure substance composed of the same type of atom throughout. Cannot be broken down into simpler substances.

Chapter 4 Notes Part II Elements & Compounds. Matter Pure Substance (uniform composition) Mixture (variable composition) Elements (only one kind of atom)

Notes SPI Elements and Compounds What Is An Element?  Each individual element is a unique particle called an atom  So in other words… elements.

Chapter 2.3 Elements and Compounds -Pure Substances: Elements- simplest form of matter; unique properties; are on the Periodic Table; Au, Ag, Hg, K, N,

CHEMICAL REACTIONS. WHAT IS A CHEMICAL REACTION? Changes or transforms chemicals into other chemicals Ex: Iron + Oxygen  Iron Oxide (rust) Physical Science.

Elements, mixtures and compounds. Elements  Made up of only one kind of atom. There are approx 109 elements known.

Chapter 11.1 Pages Chemical Reactions Occur everywhere and all the time Rusting iron, Break down of glucose, Exploding hydrogen Evidence of chemical.

Molecules, Atoms and Compounds

Matter 3-3 ELEMENTS. Pure Substance All particles (atoms or molecules) are alike Elements are the simplest pure substance.

Chemical Formulas By: Mr. Castillo & Mr. Buenrostro.

1.Each element has a different symbol 2.The formula for a compound shows the elements in the compound 3.It also shows the ratio of the atoms of different.

PS.2b Compounds. Compounds are made of 2 or more kinds of atoms which combine in a specific ratio.

What is Matter made of? Atoms – the basic particle of which all matter, EVERYTHING, is made * A sheet of paper is approximately 10,000 atoms thick.

8 th Grade ScienceRSM Go to work station 1 or 2 and get the following items  One small dry-erase board  One dry-erase marker  A paper towel  Wait for.

Biochemistry the study of chemical processes within living organisms.

Matter Chapter 2 notes. Definitions Matter- anything that has mass and occupies volume Intensive vs. Extensive Properties – Extensive properties depend.

–Chemical reactions occur when bonds between the outermost parts of atoms (valence electrons) are formed or broken.

Chemical Formulas and Equations Vocab – Part 1. Element pure substances = 1 type of atom (all the same) Examples: H H 2.

B.6 Symbols, Formulas, and Equations. Chemical Language Letters Symbols Words Formulas Sentences Equations.

WHAT IS CHEMISTRY?. Chapter 2 Section 1 Describing Matter.

Topic: Chemical Reactions and Equations PSSA: A/S8.C.1.1.

L3: Chemical Formulas and Word Equations Learning Objectives: 1.Understand what information a chemical formula tells you. 2.Write simple word equations.

Bell Work Apr 14, 2015 Instructions: On your paper, do the following… 1) Select the best answer (just write letter A or B) 2) Explain what is wrong with.

What is Chemistry? Chemistry is the study of matter.

What is Matter made of? Atoms – the basic particle of which all matter, EVERYTHING, is made * A sheet of paper is approximately 10,000 atoms thick.

Energy Transformations in Photosynthesis

Chemistry of Living Things Part 1 Basic Chemistry

Chapter 2.1 Part 2 Elements By Sherry Totten.

6th Grade Review- Discuss only- Do not write

Chemical Property A chemical property is a property of matter that describes a substances ability to participate in a chemical reaction. A chemical change.

Atoms, Molecules, Elements, and Compounds

Chemical Reactions Notes #2

What is Matter made of? Atoms – the basic particle of which all matter, EVERYTHING, is made * A sheet of paper is approximately 10,000 atoms thick.

Chemical Symbols Show the atoms of the elements composing the substance Written with 1, 2, or 3 letters First letter = ALWAYS CAPITALIZED The rest are.

Unit 2: Chemistry Lesson 2: Classifying Matter Essential Questions: 1

The Elements of the Periodic Table

Video Watching on Element & Compound

Unit 2: Chemistry Lesson 2: Classifying Matter Essential Questions: 1

Unit 3 Why Atoms Combine.

Chemical Symbols

Read It! 8th Grade Science

Elements & compounds.

Compounds Vocabulary Project MSSELL.

Chemical Property A chemical property is a property of matter that describes a substances ability to participate in a chemical reaction. A chemical change.

Unit 4 - Chemical Reactions

Chemical Reactions.

Chapter 5- Chemical Reactions

Matter Vocabulary.

Presentation transcript:

What is a Chemical Reaction? What do baking bread, riding in a car, and digesting food all have in common? What Do You Think?

What is a Chemical Reaction? The change that occurs as chlorophyll decomposes into new compounds is a chemical reaction Autumn Leaves

What is a Chemical Reaction? A chemical reaction is the process by which one or more substances changes to produce one or more different substances Autumn Leaves

Examples of Chemical Reactions Striking a match, baking bread, and using a battery are all examples of chemical reactions

Clues to Chemical Reactions Heat, Gas Formation, and a Change in Color are clues that a chemical reaction is going on

Reaction of Hydrogen and Chlorine In a Chemical Reaction, bonds are broken and new bonds are formed

Why are Chemical Formulas and Equations Important? What are some problems you might face if you were asked to translate information from your language to another? What Do You Think?

Chemical Formulas All substances are formed from about 100 elements from the periodic table Each element has its own chemical symbol

Chemical Formulas The chemical symbols are all 1 or 2 letters long, and always begin with a capital letter H- hydrogen He- helium Li- Lithium

Chemical Formulas A Chemical Formula is an easy way to write a compound’s name using chemical symbols and numbers to represent atoms

Chemical Formulas A Chemical Formula shows how many of each kind of atom are present in a molecule of the compound

Chemical Formulas Water Oxygen Glucose