Exambank12

Exam (elaborations) GIZMOS Student Exploration Digestive System Vocabulary: absorption, amino acid, carbohydrate, chemical digestion, chyme, complex carbohydrate, digestion, digestive system, elimination, enzyme, fat, fatty acid, fiber, food calorie, mechanical digestion, monoglyceride, nutrient, peristalsis, protein, starch, sugar, villus Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. Why do we need to eat food? Food provides us with over 40 substances that it cannot p...

Exam (elaborations) GIZMOS Student Exploration Diffusion Vocabulary: absolute zero, controlled experiment, diffusion, dynamic equilibrium, Kelvin scale, kinetic energy Prior Knowledge Question (Do this BEFORE using the Gizmo.) Have you ever smelled microwave popcorn? The oddly enticing scent can fill a whole house. How do you think the smell of popcorn spreads through the air? Gizmo Warm-up Smells are carried by tiny particles that move through the air. The Diffusion Gizmo shows gas part...

Exam (elaborations) GIZMOS Student Exploration Coastal Winds And Clouds Vocabulary: condensation, convection, convection current, land breeze, sea breeze Condensation: change from a gas to a liquid Convection: Transfer of heat through movement of a fluid. Convection Current: the circular motion of a fluid (such as air) in which hot material rises while cold material sinks. Land breeze: A wind that blows from the land to the sea. Sea breeze: A wind that blows from the sea to the land. ...

Exam (elaborations) GIZMOS Student Exploration Chicken Genetics Vocabulary: allele, codominance, dominant, genotype, heterozygous, homozygous, phenotype, probability, Punnett square, recessive, trial Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. The image shows a flower that was produced by crossing a pure red flower with a pure white flower. Which do you think is the dominant petal color: red or white? Explain. _____________________________________________ ________...

Exam (elaborations) GIZMOS Student Exploration Calorimetry Lab Vocabulary​:​ calorie, calorimeter, joule, specific heat capacity Prior Knowledge Questions ​(Do these BEFORE using the Gizmo.) 1. The Latin word calor means “heat,” and meter comes from the Greek word meaning “to measure.” What do you think a calorimeter​ does? Measures heat. 2. Where have you heard the word calorie​ before? What do you think a calorie is? With food, the amount of energy it takes to heat up ...

Exam (elaborations) GIZMOS Stephanie DeBise Carbon Cycling Vocabulary: atmosphere, biomass, biosphere, carbon reservoir, carbon sink, fossil fuel, geosphere, greenhouse gas, hydrosphere, lithosphere, photosynthesis Prior Knowledge Questions (Do these BEFORE using the Gizmo.) In the process of photosynthesis, plants take in carbon dioxide (CO2) from the atmosphere and water (H2O) from the soil. Using the energy of sunlight, plants build molecules of glucose (C6H12O6) and oxygen (O2). Make ...

Exam (elaborations) GIZMOS Star Spectra Vocabulary: absorption spectrum, binary star, blueshift, Cepheid variable, emission spectrum, giant star, nebula, redshift, spectrum, star Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. What happens when light goes through a prism? Light bends and the visible spectrum showing the colors of the rainbow are visible. This band of colors is called a spectrum. Red, Orange, Yellow, Green, Blue, Indigo, Violet 2. A rainbow is an exampl...

Exam (elaborations) GIZMOS Solubility and Temperature Vocabulary: concentration, dissolve, homogeneous mixture, solubility, solubility curve, solute, solution, solvent Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. What happens when you stir a spoonful of sugar into hot water? The sugar will dissolve. 2. When sugar or another substance is dissolved in water, it disappears from view and forms a homogeneous mixture with the water, also called a solution. If you can’t...

Exam (elaborations) GIZMOS RayTracing Mirrors SE Key Vocabulary: concave mirror, convex mirror, focal point, magnification, real image, reflect, virtual image Prior Knowledge Questions (Do these BEFORE using the Gizmo.) [Note: The purpose of these questions is to activate prior knowledge and get students thinking. Students are not expected to know the answers to the Prior Knowledge Questions.] For these questions, it would be helpful to have a metal spoon on hand. If you don’t have o...

Exam (elaborations) GIZMOS Rainfall and Beaks gizmo Vocabulary: adaptation, beak depth, directional selection, drought, evolution, natural selection, range, stabilizing selection Prior Knowledge Questions (Do these BEFORE using the Gizmo.) During the voyage of the HMS Beagle (1831–1836), the young Charles Darwin collected several species of finches from the Galápagos Islands. Two of Darwin’s finches are shown below. 1. Which species do you think is best adapted to a diet of small, ...

Exam (elaborations) GIZMOS Pierra Flack Gizmo Equilibrium and Pressure [Note to teachers and students: This Gizmo was designed as a follow-up to the Equilibrium and Concentration Gizmo. We recommend doing that activity before trying this one.] Vocabulary: Dalton’s law, Le Châtelier’s principle, partial pressure, pressure Prior Knowledge Questions (Do these BEFORE using the Gizmo.) A typical scuba tank has a volume of 11 liters and can support a diver for one hour. An adult breathes...

Exam (elaborations) GIZMOS Periodic Trends Gizmo Answers Vocabulary: atomic radius, electron affinity, electron cloud, energy level, group, ion, ionization energy, metal, nonmetal, nucleus, period, periodic trends, picometer, valence electron Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. On the image at right, the two magnets are the same. Which paper clip would be harder to remove? 2. Which magnet would be most likely to attract additional paper clips? 3. What is the r...

Exam (elaborations) GIZMOS Food Chain Gizmos Vocabulary: consumer, ecosystem, energy pyramid, equilibrium, food chain, population, predator, prey, producer Prior Knowledge Questions (Do these BEFORE using the Gizmo.) The Food Chain Gizmo™ shows a food chain with hawks, snakes, rabbits, and grass. In this simulation, the hawks eat snakes, the snakes eat rabbits, and the rabbits eat grass. 1. Producers are organisms that do not need to eat other organisms to obtain energy. A. Which org...

Exam (elaborations) GIZMOS Feel the Heat Vocabulary: calorimeter, conductor, controlled experiment, dissolve, endothermic, exothermic, insulator, solute, solution, solvent, surroundings, system Prior Knowledge Questions (Do these BEFORE using the Gizmo.) [Note: The purpose of these questions is to activate prior knowledge and get students thinking. Students are not expected to know the answers to the Prior Knowledge Questions.] Eduardo hurts his knee during a basketball game. The train...

Exam (elaborations) GIZMOS Equilibrium Concentration Student Lab Sheet Vocabulary: chemical equilibrium, concentration, equilibrium, equilibrium constant, reaction quotient, reversible reaction Prior Knowledge Questions (Do these BEFORE using the Gizmo.) Gary has $5,000 in his bank account and earns a modest salary. Every month he pays for rent, food, utilities, and entertainment. A. How will Gary’s account change if he saves more than he spends? _it will increase. B. How will Gary...

Exam (elaborations) GIZMOS Crump 13.3B CoralReefs 2 SE Vocabulary (refer to vocab file located on the Gizmo site for definitions): biotic factor, black band disease, invasive species, white band disease Prior Knowledge Questions (Do these BEFORE using the Gizmo.) In 1992, Hurricane Andrew left a wake of destruction through Florida. One victim of the storm was a reptile-breeding facility. Over 900 Burmese pythons were set free, and today thousands of pythons live in Florida. These pyt...

Exam (elaborations) GIZMOS Circulatory System Vocabulary: artery, atrium, blood vessel, capillary, circulatory system, heart, heart valves, platelet, pulmonary artery, pulmonary vein, red blood cell, urea, ventricle, vein, white blood cell Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. Why do you need blood? _____________________________________________________ _________________________________________________________________________ 2. What organ pushes blood through y...

Exam (elaborations) GIZMOS Balancing Chemical Equations Vocabulary: coefficient, combination, compound, decomposition, double replacement, element, molecule, product, reactant, single replacement, subscript Prior Knowledge Questions (Do these BEFORE using the Gizmo.) [Note: The purpose of these questions is to activate prior knowledge and get students thinking. Students are not expected to know the answers to the Prior Knowledge Questions.] The scouts are making s’mores out of toasted ...

Exam (elaborations) GIZMO Virus Lytic Cycle Student Exploration Sheet Vocabulary: bacteriophage, capsid, host cell, lyse, lytic cycle, virus Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. A computer virus is a program that can copy itself and infect a computer without the permission of the owner. How do you think a computer virus compares to a real virus? A computer virus infects a computer, and a real virus infects an organism. During an infection, both types of virus...

Exam (elaborations) GIZMO Torque and Moment of Inertia Vocabulary: angular acceleration, fulcrum, lever, moment of inertia, Newton’s second law, torque, weight Prior Knowledge Question (Do this BEFORE using the Gizmo.) During recess, Tom and his little sister Marcie want to play on the see-saw. Tom is quite a bit heavier than Marcie. Where should they sit so the see-saw is balanced? Sketch their positions on the image below. Explain your reasoning: Tom should sit closer to the ful...