Nature

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Thermodynamic temperature

Motion

Work

Kinetic energy

Velocity

Momentum

2214-6516 16 pages M14/4/PHYSI/SPM/ENG/TZ2/XX Wednesday 7 May 2014 (morning) Physics standard level PaPer 1 INSTRUCTIONS TO CANDIDATES ? Do not open this examination paper until instructed to do so. ? Answer all the questions. ? For each question, choose the answer you consider to be the best and indicate your choice on the answer sheet provided. ? A clean copy of the Physics Data Booklet is required for this paper. ? The maximum mark for this examination paper is [30 marks]. 45 minutes ? International Baccalaureate Organization 2014 22146516 2214-6516 ? 2 ? M14/4/PHYSI/SPM/ENG/TZ2/XX 1. Which of the following is a unit of energy? A. kg m?1 s?1 B. kg m2 s?2 C. kg m s?2 D. kg m2 s?1

IB Physics SL test 2014 1-1

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2214-6510 14 pages M14/4/PHYSI/SPM/ENG/TZ1/XX Wednesday 7 May 2014 (morning) Physics standard level PaPer 1 INSTRUCTIONS TO CANDIDATES ? Do not open this examination paper until instructed to do so. ? Answer all the questions. ? For each question, choose the answer you consider to be the best and indicate your choice on the answer sheet provided. ? A clean copy of the Physics Data Booklet is required for this paper. ? The maximum mark for this examination paper is [30 marks]. 45 minutes ? International Baccalaureate Organization 2014 22146510 2214-6510 ? 2 ? M14/4/PHYSI/SPM/ENG/TZ1/XX 1. The radius of a sphere is measured with an uncertainty of 2 %. What is the uncertainty in the volume of the sphere? A. 2 % B. 4 % C. 6 % D. 8 %

Macromolecules worksheet

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DNA

Protein

Name: Macromolecule Chat Stations Complete the tasks at each station. Answer the questions on your own and then when your group is finished you may discuss and defend your answers with evidence from your foldable or the textbook on pages 45-49. STATION # 1: STATION #2: polysaccharides nucleic acids proteins a. + b. + c. + d. + STATION # 3:

Campbell Biology 9th Edition - Ch. 5 Macromolecules

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Monomer

Chapter 5 The Structure and Function of Large Biological Molecules Monomers Polymers Macromolecules Small organic Used for building blocks of polymers Connects with condensation reaction (dehydration synthesis) Long molecules of monomers With many identical or similar blocks linked by covalent bonds Giant molecules 2 or more polymers bonded together ie. amino acid ? peptide ? polypeptide ? protein smaller larger Dehydration Synthesis (Condensation Reaction) Hydrolysis Make polymers Breakdown polymers Monomers ? Polymers Polymers ? Monomers A + B ? AB AB ? A + B + H2O + + H2O + Dehydration Synthesis Hydrolysis I. Carbohydrates Fuel and building material Include simple sugars (fructose) and polymers (starch) Ratio of 1 carbon: 2 hydrogen: 1 oxygen or CH2O

Campbell Biology 9th Edition - Ch. 3 Water

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Atmospheric thermodynamics

Matter

Intermolecular forces

Oxides

Water

Water is Special Polarity There are two types of covalent bonds, polar and nonpolar While nonpolar molecules share electrons equally, polar molecules do not. This results in one part of the molecule being partially positive and another part being partially negative. 2 Student Misconceptions and Concerns

Chapter 1.2 Outline

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Homogeneous and heterogeneous mixtures

Chemical elements

Condensed matter physics

Chemical substance

General chemistry

Chemical compound

Mixture

Solution

Gas

Liquid

Matter Classified by? Physical State (Gas/ Liquid/ Solid) Composition (Element/ Compound/ Mixture) States of Matter Gas (vapor) No fixed volume or shape Uniformly fills its container Can be compressed to occupy a smaller volume Can be expanded to occupy a larger volume Molecules are far apart, move quickly, and often collide with the surrounding container Liquid Distinct volume (independent of container) No fixed shape (assumes shape of occupied container) Can't be compressed Molecules are packed closely but can still move (they flow over each other, reducing viscosity Solid Definite shape and definite volume Can't be compressed Molecules have fixed positions an wiggle only slightly *Temperature and pressure changes lead to phase changes of the substance

Chapter 1.3 Outline

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Mixture

Solid

Melting

Characteristic property

Properties can be? Physical - can be observed without changing identity or composition of the substance Ex. Color, odor, Density, Melting Point, Boiling Point, Hardness Chemical - describe the way a substance may change or react to form other substances Ex. Flammability - the ability of a substance to burn in the presence of oxygen Intensive - do not depend on the amount of sample being examined Help to identify substances Ex. Temperature, melting point Extensive - Depend on the amount of sample Help to show quantity of a substance Ex. Mass, volume Physical and Chemical Changes Physical Change - substance changes its physical appearance, but not its composition Changes of state are physical changes Chemical Change - substance changes into a chemically different substance

Energy and Ecosystems

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Ecology

Energy

Heat

3.2 Energy and Ecosystems I will wait until everyone is in their seats and has only a piece of paper and a pen/pencil and your homework on your desk. Again, the expectation is that there is no talking during the quiz. Talking will result in your quiz not being collected. Daily Quiz Name the ecosystem you created for homework List all 10 biotic and 5 abiotic factors Which biotic and abiotic factor did you remove? What are the consequences of it being removed? When you finish your quiz, please collect your assignments by the door. Daily Quiz Question Content Objective Students will? Follow the path energy takes in an ecosystem. Distinguish between producer, consumer, and decomposer. Model a trophic pyramid Demonstrate the first and second law of thermodynamics.

Organic Chemistry Lecture 12a

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Infrared spectroscopy

Alkane

Ketone

Chapter 12 ?2010, Prentice Hall Organic Chemistry, 7th Edition L. G. Wade, Jr. Infrared Spectroscopy and Mass Spectrometry Chapter 12 * Introduction Spectroscopy is a technique used to determine the structure of a compound. Most techniques are nondestructive (it destroys little or no sample). Absorption spectroscopy measures the amount of light absorbed by the sample as a function of wavelength. Chapter 12 Chapter 12 * Types of Spectroscopy Infrared (IR) spectroscopy measures the bond vibration frequencies in a molecule and is used to determine the functional group. Mass spectrometry (MS) fragments the molecule and measures their mass. MS can give the molecular weight of the compound and functional groups.

Organic Chemistry Lecture 12

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