Divide the following list into two groups according to how they respond to fire. What is common to each group? Honey Water Sand Plastic Egg Shell Pepper Hair Bread Iron Frames Rubber Sugar Glass Paper Clips Dried Milk Grass Margarine Bone Salt
Consider the powders on the table: Sugar, Salt, Pepper, Flour. Which do you think is the odd one out? Explain your answer. After heating the powders up… 2) What happened to each powder on the hot plate? 3) Which is the odd one out this time? Explain.
Source Sugar Flour Pepper Salt Sugar Cane Wheat Seeds Pepper Seeds Ocean/lakes In conclusion: Substances that make living things, also burn.
What does “burning” mean? A substance that burns, does this: Initial heat Substance + O2CO2 +H2O+heat Since it breaks down to carbon dioxide and water, the substance must contain carbon. ORGANIC substances are made out of C, H, and sometimes O, N, more. Organic substances burn.
Organic substances: • In nature, they originate from living organisms. (Today – many are synthetic).
Making Molecules from Marshmallows: Toothpick White - Hydrogen Single bond Green - Nitrogen Pink - Carbon Double bond Orange - Oxygen Yellow – Phosphate or Sulfur Connect according to the drawing, attach model to a white paper, add information from back of the card.
In your notebook: • Draw your molecular model as on the card. • Circle one atom • Copy the details on the card.
Observe the molecular models: • What do the marshmallows and toothpicks represent? • 2.How many bonds (connections) doC, O, Nand H always make? • 3. Write at least two facts that describe the structure of the modeled molecules.
Almost all molecules that make a living organism are made from monomers, connected into large polymers: Mono-mer (subunit) Poly-mer Monomer Polymer Monomer Monomer Draw a brace map of a polymer..
Thinking map: Brace Map Describing a part-whole relationship Parts of the Parts Parts Whole Write the parts-whole from question 3 in a diagram.
Bio Molecules Four Square: Labeled Drawing Functions Examples Parts of the whole (monomers) Refer to pages 44-47 Fill in as much as possible
Brace maps show relationship between whole and parts. Use brace maps to show the following connections: “Our body is made out of organs.” “Polymers are made of monomers” “Molecules are made of atoms.” “Living things are made out of water, proteins, carb’s, lipids, and DNA.” Journal 08.24.12
Almost all molecules that make a living organism are made from monomers, connected into large polymers: Mono-mer (subunit) Poly-mer Monomer Polymer Monomer Monomer
Carbohydrates: Mono- Saccharides: Polysaccarides: Glucose O Ribose
Observe the drawings on the slide. • For each pair of terms, write the relationship between the two terms: • Starch, Glucose • Polysaccharides, monosaccharides • Glycogen, carbohydrate • Glucose, monosaccharide • Anything other two terms you want to try out? (EC!!!) Journal 1
Introducing: Complex Brace Map, including EXAMPLES OF A B ‘Bis part ofA’ ‘A1 and A2are examples ofA’ A1 A2 B2 B1 ‘B1 and B2are examples ofB’ Journal 2: draw thinking maps for the pairs we discussed before.
Activity: Molecules of Life Models Directions: Read the description on the card. In your notebook and on a blank group paper (size: half a printer paper) draw a brace/arrow map of the terms listed. - ADD DRAWINGS OF THE MODELS. 2. Add your map to the appropriate place in the class’ ‘big map’. C O N P 1 monomer
QUIZ1: Biomolecules in Brace Maps Write fully and to the point. DO YOUR OWN WORK
Reflective writing: Write at least FIVE LINES about your thoughts at this point about the molecules that build living things? (comments, questions, opinions)
Use your completed four-square diagram of biomolecules, to answer: Fill in the brace map: Living organism 08.25.11 Journal1 Parts.. (Types of molecules)
Brace map of bio-molecules: Carbohydrates Simple sugars Fatty acids Living organism Lipids Glycerol Amino acids Proteins Amino acids nucleotides Nucleic acids nucleotides
Brace map of bio-molecules: Carbohydrates Simple sugars Living organism Lipids Fatty acids Glycerol Proteins Amino acids Amino acids Nucleic acids nucleotides nucleotides Polymer Monomers
A B ‘Bis part ofA’ ‘A1 and A2are examples ofA’ A1 A2 B2 B1 ‘B1 and B2are examples ofB’ monosaccharides polysaccharides ribose starch cellulose glucose Copy. Write 3 facts.
No Journal today.. • Quiz First! • Scavenger Hunt: Peer Grading. • Molecular “I Spy!” • Name Quiz
A closer look at the molecules Work with drawings of molecules: 1.Color: Oxygen - Red, Nitrogen – Blue. 2. Cut out the drawings. 3. Title two large papers with the four group of bio-molecules. 4. Paste the molecules according to the slides’ prompts. Are You READY??
Four titles on your large paper. Proteins (amino acids) Lipids Carbohydrates (mono- di-saccharides) Nucleic acids (nucleotides)
Proteins are made of amino acids. There are 20 different amino acids, but all share the following part: I SPY amino acids! O O N
Carbohydrates are made of small sugars, singular or in chains. Small sugars can look like a ring or an open ring: I SPY carbohydrates! O O O O O O O O O O O O O O O O O O O O O O O meet the -oses…
Amongst Lipidsfatty acids are long hydrocarbon chains, and several cholesterol-shaped molecules.I SPY lipids! O O O O O O O
Nucleic Acids, such as DNA, are made of nucleotides. Nucleotides themselves are rather complex: N N N N N N N O O O O N O O O O I SPY nucleotides and their parts!
Analysis: • List the four major types of biomolecules, and for each – name its parts / monomers. • For each type of monomer, name two examples. • For each type of monomer – draw the common part. • Which molecules here are made of more than one subunit? • Which type is the most varied?
Observe the molecular models: • What do the marshmallows and toothpicks represent? • 2.How many bonds (connections) doC, O, Nand H always make? • 3. Write at least two facts that describe a parts-whole relationship.
A closer look at the molecules Work with drawings of molecules: 1.Color: Oxygen - Red, Nitrogen – Blue. 2. Cut out the drawings. Sort the drawings into FIVE groups. 3. Glue the grouped molecules onto a paper, as organized as you can. 4. Give each group a title.
Journal • Observe the food pyramid: • What is the underlying message? • 2. What do you expect to gain from eating each of the food groups? • 3. Proteins, Carbohydrates, Lipids, Nucleic acids: Which food groups provide them? (guess if needed) • 4. Any questions about the pyramid?
“We are what we eat!” Energy Source Materials to Build Our Cells Vitamins and Minerals Four Major biomolecules
In regards to yesterday’s model building: • What did you learn that you otherwise would not have learned? • What questions do you have about biomolecules? (None is not accepted)? • Compare the two models – of a polysaccharide, and a protein.
3-dimensional models: Carbohydrates 1) Per group: build a glucose molecule from the parts: Carbon = black Oxygen = Red Hydrogen = White Bond = tube 2) Per class – connect to make a cellulose! Rule: no bond is left open!
Adding examples of to the brace map: Part Whole Part Part examples examples examples examples Apply to biomolecules…