Do Now What is matter? What are elements? What is the periodic table used for?

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Presentation transcript:

Do Now What is matter? What are elements? What is the periodic table used for?

Do Now What is a compound? Give an example Name 3 elements found in our body. What are the 3 parts of an atom and where are they located?

Do Now What are carbohydrates used in our bodies for? Name some examples of foods containing carbohydrates. What are lipids used in our bodies for? Name examples of foods that contain both saturated and unsaturated fats.

Objectives

Chapter Objectives To list________________________________. To explain _____________________________. To determine __________________________________________ _____________________________________. To understand ____________________________. To list and describe ________________________.

“How Cells Function” Chapter 2

Elements and Matter What is matter?

All living and non-living things can be broken down into different elements. Elements:

Periodic Table Activity Get a red, blue, and green colored pencil Make a key at the bottom of the paper with the 3 colors. For the following elements shade in the chemical symbol RED, the atomic number BLUE, and the atomic mass GREEN Oxygen, Carbon, Nitrogen, Hydrogen, Calcium, Phosphorus

Each element has. Ex: Oxygen Colorless Odorless gas

Elements in the body List in notebook: Oxygen – Carbon – Hydrogen – Nitrogen – Calcium – Phosphorus – 19 others

Compound: atoms of 2 or more elements joined together by chemical bonds. Ex: H 2 O (has both elements hydrogen and oxygen in it)

Atoms Atom:

Atoms are the building blocks of matter Contain 3 parts + -

Chemical Reactions Why do we need chemical reactions? Chemical Reactions: Broken bonds  Formed bonds 

ACTIVITY Baking soda + Vinegar 2 Chemical Reactions 1. HC2H3O2 + NaHCO3  NaC2H3O2 + H2CO3 2. H2CO3  H2O + CO2 OR Mentos in Soda! = LOTS OF BUBBLES (carbon dioxide) LETS WATCH!

Macromolecules Macro= _________ macromolecules all doing a different job in our body….

1. Carbohydrates

Types of Carbs:

2. Lipids (fats, oils, waxes)

Types of

Protein

Nucleic Acids

DNA vs. RNA Types:

Water

Water makes up _________________