Chemistry Earth Science More Chemistry Biology ??? 100 100 100 100 100 200 200 200 200 200 300 300 300 300 300 400 400 400 400 400 500 500 500 500 500 Chemistry – 100 List the three parts of an atom and their respective charges. Proton (positive) Neutron (neutral) Electron (negative) Chemistry – 200 Label A, B, and C as a solid, liquid, or gas. A B C A: Solid, B: Liquid, C: Gas Chemistry – 300 What is this element’s atomic mass? What does the atomic mass tell us? (2 things) 3 6.94 Li Lithium Mass = 6.94. Mass tells us the number of protons, and also the number of neutrons Chemistry – 400 When looking at a molecular formula, which is the coefficient, which is the subscript? And, which one can be changed in order to balance an equation? 3H20 3 = Coefficient, 2 = Subscript Coefficient can be changed Chemistry – 500 Tell whether the following are compounds, elements, heterogeneous or homogenous mixtures. Com Salt Com Water Homo Salt dissolved in water Hetero Sand in water Ele Copper Earth Science - 100 Observe the geologic cross section. The arrow indicates a: A. Tectonic Plate B. Magma Chamber C. Volcanic Event D. Fault Line D. Fault Line Earth Science - 200 A Quarter Moon Earth Science - 300 Where does seafloor spreading occur? What leads to seafloor spreading? Seafloor spreading occurs along oceanic ridges/the oceanic ridge system. Magma is injected into newly developed fractures on the seafloor Convection within the mantle Earth Science - 400 Label the diagram with inner core, crust, mantle, and outer core. A. B. C. D. A. Crust, B. Mantle, C. Outer Core D. Inner Core Earth Science - 500 Label the diagram below with the layers of the atmosphere: stratosphere, mesosphere, troposphere, thermosphere, exosphere. A. B. C. D. E. A. Troposphere, B. Stratosphere, C. Mesosphere, D. Thermosphere, E. Exosphere. More Chemistry - 100 Which of the following has a negative charge? anion or cation? Anion, which means it GAINS electrons. More Chemistry- 200 Answer: D More Chemistry - 300 Potassium carbonate (K2CO3) is an important component of fertilizer. The partially balanced equation for the reaction of 6 moles of potassium hydroxide (KOH) and 3 moles of carbon dioxide (CO2) to produce potassium carbonate and water is given below. 6KOH + 3CO2 → __ K2CO3 + 3H2O When this equation is balanced, what is the coefficient for potassium carbonate? (Remember, coefficients are the numbers in front!) A. 2 B. 3 C. 6 D. 9 Answer: B. More Chemistry - 400 Label each item below as a physical or chemical change: P P P C C P Mixing salt and pepper Freezing water Cutting a marshmallow Toasting a marshmallow Burning wood Adding chocolate syrup to milk More Chemistry- 500 Which color represents the nobel gases? Orange Biology - 100 A biologist uses a light microscope to observe a cell. He concludes that the cell is from a plant. – What are two observations the biologist may have made? Must have at least two of the items listed blow: • • • • Presence of chloroplasts or chlorophyll Presence of a cell wall Presence of central vacuole/vacuoles Cell shape is square or boxy Biology - 200 Which of these describes the action of antibiotics? o Antibiotics replace the immune system. o Antibiotics lower body temperature. o Antibiotics destroy viruses. o Antibiotics slow bacterial growth. Antibiotics slow bacterial growth Biology - 300 What can you infer about the diet of this animal given it’s teeth? Pointed, large canines and incisors, probably a carnivore. Biology - 400 Identify one mechanism in which sexual reproduction leads to genetic variability. One of the following: Mixing of genes/DNA from parents Independent assortment Cross-over and recombination Biology - 500 Cyanide is a powerful poison because it inhibits an enzyme in mitochondria, preventing the transfer of energy during one of the steps in cellular respiration. This poison would directly affect the production of which of the following molecules? A. ATP B. glucose C. oxygen D. RNA ATP ??? - 100 A hypothesis should always be written as an _______, ________, ________ statement. If, Then, Because ??? - 200 Name at least four things you should include when making a graph. Title, X Axis Title, X Axis Units, Y Axis Ttile, Y Axis Units, Key/Legend, Data Points with line connecting, etc. ???- 300 In an electrical circuit, the voltage (V) is 35 volts and the resistance (R) is 5 ohms. If Ohm’s Law is (V = IR), what is the current (I) in the circuit? o 0.14 ampere o 7.0 amperes o 175 amperes o 350 amperes 7.0 amperes ??? - 400 A student wants to study the effect of temperature on plant growth. The student grows ten plants at room temperature and ten plants in a greenhouse where the temperatures are warmer. What is the most likely reason the student grows ten plants at each of the temperatures? A. B. C. D. to collect enough data to be able to plot a graph to increase the reliability of her results to ensure that some plants would survive to be able to publish the study in a science journal Answer B. ??? - 500 How does air pressure change with increasing altitude in the atmosphere? Pressure decreases as altitude increases. Final Jeopardy Match each type of heat transfer with the correct definition. Convection, Conduction, Radiation Movement of heat through a solid, done by direct contact. Movement of heat through a liquid or gas by currents. Movement of heat through space. Convection: liquid, gas, currents Conduction: solid Radiation: space