1) Use the image and the Dichotomous key to correctly identify the whale shown a) Orca b) Gray Whale c) Fin Whale d) Minke Whale 2) Which of the following is not an element? a) Sodium b) Oxygen c) Chlorine d) Water 3) A student finds a solid, reflective material laying on the ground. After experimenting with the material, it is determined that it is not a good conductor of electricity and it is not ductile. The material is most likely – a) Metal b) Metalloid c) Non Metal d) New State of Matter 4) An industry needs a metal with a density of 3.6 g/cm3. Which sample was selected based on the data shown. a) Metal 1 b) Metal 2 c) Metal 3 d) Metal 4 5) Which energy transformation produces electricity without causing pollution? a) Using a natrual gas heat during the winter b) Using coal in a power plant c) Using wind to turn a windmill d) using gas to power a generator while camping. 6) When a truck hydroplanes on water, it is difficult to control the motion of the truck. Which statement best explains this? a) An applied force pushes the car in the opposit way. b) The input force exceeds the output force c) The water supplies an unbalanced force to the tires d) The water doesn't supply enough friction to the tires 7) Many common objects are simple machines or compound macines. Which of the following uses a pulley system? a) Flag pole b) See Saw c) Wheelbarrow d) Yo-Yo 8) What type of heat transfer is responsible for a radiator heating the room in a house during the winter? a) Thermal energy b) Convection c) Conduction d) Radiation 9) Which best defines the type of rock that completely melts and then cools? a) Metamorphic b) Igneous c) Bsalt  d) Sedimentary 10) Which of the following is not caused by the mvoement of the crustal plates? a) Volcanic eruption b) Hurricanes c) Mountain formation d) Seismic activitiy 11) Based on the order of the planets in the milky way galaxy; which planet will have the shortest year? a) Mars b) Earth c) Mercury d) Venus 12) Blue Origin is a company that itends on sending humans to space. Which of the following would not be a concern for this company? a) The position of Earth in its revolution around the Sun b) The weather conditions at the time of the launch c) Angle of reentry to the atmosphere d) Resources needed for the entire mission.  13) What basic characteristic divides the organisms in Kingdom A and B? a) A is multicellular and B is unicellular b) A is unicellular and B is multicellular c) A is autorophic and B is heterotrophic d) A is hetertrophic and B is autotrophic 14) Thinking of Homo sapiens, at which classification level would you be able to determine if the organism is living? a) Domain b) Kingdom c) Class d) Phylum 15) Which of the following elements does not make up a significant part of sea water? a) CI b) P c) Mg d) S 16) Yuccas are a dominant egetation in Big Bend National Park. All the yuccas collectively make up the - a) Community b) Ecosystem c) Population d) Niche 17) Based on the equation provided, why is it necessary to have radiant energy? a) Sunlight uses carbon dioxide and water to make glucose b) The arrow represents the flow of energy in the system c) The process cannot occur without sunlight d) The arrow shows the direction of the sunlight. 18) What provides the body with the energy it needs for growth, movement, and repair? a) Fiber b) Glucose c) Nucleic acids d) Water 19) Which of the following items needs to switch places? a) 1 b) 2 c) 3 d) 5 20) Gazelles are prey for lions in the savannah. A drought would most likely cause a herd of gazelles to - a) Migrate a farther distance b) Become more deer like in nature c) Begin to hunt predators like lions d) Produce a larger herd 21) In 2018, NASA released that one of Jupiter's moons might be a good place to look for possible life. Why would this be a possible place to look for life based on our current understanding? a) The moon has an iron core similiar to Earth b) The moon is a comparable size to Earth c) The moon has a liquid ocean d) The moon is within the habitable zone. 22) If a natural disaster occurred killing many organisms in a small aquatic environment. Which would most likely restore the biodiversity of this aquatic environment? a) Introduce an invasive species to the fenvironment. b) Reintroduce native species to the enviroment c) Survey the aquatic organisms d) Limit fishing in the environment 23) Frogs communicate by coaking. If a frog cannot make this sound, they are less likely to find a mate and be able to reproduce. If the frog cannot make this sound this would be an example of which of the following - a) Leanred behavior b) Genetic replication c) Natural selection d) Succession 24) Plants do not have a circulatory system. What have they developed instead to transport carbohydrages instead? a) Cork cells b) Chlorophyll c) Xylem d) Phloem 25) The nucleus is the control center of the cell and directs all cellualr activities. Which human body system is most like this. a) Centerla nervous system b) Digestive system c) Ecretory system d) Integumentary system 26) Humans need to maintain a relativity constant internal body temperature. Which way would the body most likely respond when suddenly placed in a frigid environment? a) Begin to sweat and increase in metabolism b) Begin to shiver and increase in Metabolism c) Begin to sweat and decrease in metabolism d) Begin to shiver and decrease in metabolism 27) A student hypothesizes that the color red in flowers is dominant and white is successvie. Which would desprove this hypothesis? a) Two white flowers produce offspring with red flowers b) Two red flowers produce offspring with red flowers c) Two red flowers produce offspring with white flowers d) Two white flowers produce offspring with white flowers 28) The respiratory system and the circulatory systems both move oxygen in the human body. Which best explains why there are two body systems to move oxygen in the human body? a) One transports oxygen into the body and one transports oxygen out of the body b) One transports oxygens into the torso and one transports oxygen into the elgs c) One transports oxygen into the body and one transports oxygen inside of the body d) One transports oxygen while in motion and one transports oxygen while stationary. 29) When a river is dammed, it will change the sediment flow in the area. Which change of sediment would be a result of a dam being built? a) Increase in sediment down river b) Increase in sediment just after the dam c) No change in sediment deposition d) Increase in sediment in the lake 30) Based on the image, which organelle will only be found in plant cells.  a) Nucleus b) Cytoplasm c) Cell wall d) Vacuole 31) In a neutrally charged atom, protons, neutrons, and electrons have the same mass. This incorrect description was provided by a student. Which statement best supports why this is incorrect? a) The mass number is determined by adding the number of protons and electrons b) Protons and neutrons have atomic mass units of one while electrons are much smaller c) The number of protons is equal to the number of neutrons in the atom d) Protons and electrons are subatomic particle inside the nucleus 32) An unknown element is tested and is found to have proeprties similiar to tin and germanimum. Which element could the unknown be? a) Silicon b) Aresenic c) Selenim d) Gallium 33) Which of the following does not show a chemical reaction a) Burning wood b) Lighting a firework c) Opening a carbonated drink d) Baking cookies 34) On a speed-time graph, how does the slope of the line show that an object is slowing down? a) A straight line b) A positive slope ina diagonal line c) A slope of zero d) A negative slope ina diagonal line 35) Four different carts each with the same mass were pushed by students during a race. The time it took for the students to complete the race is listed in the data table. Which student pushed the cart with the least amount of force? a) 12 seconds b) 8 seconds c) 17 seconds d) 14 seconds 36) The diagram shows winter in North America. How would the diagram be different if it was summer in North America? a) It would be titlted towards the sun b) It would be tilted away from the sun c) The tilt would be fluctuating d) There is no tilt 37) As our sun nears the end of its life cycle, it will become a red giant and eventually a - a) Super nova b) Black hole c) Super giant d) white dwarf 38) Since 1990, this telescope has been most useful for scientist studying how stars are formed a) Webster Telescope b) Spritzer Space Telescope c) Hubble Space Telescope d) Chandra 39) A radiator and the sun are similiar in the way heat energy is transferred.  a) Heat energy from both cause air molecules to increase in density, contract, and sink b) Heat energy from both cause air molecules to increase in density, expand, and rise c) Heat energy from both cause air molecules to decrease in density, contract, and sink  d) Heat energy from both cause air molecules to decrease in density, expand, and rise 40) Which best explains how the oceans effect the range of daily temperature fluctuations on Earth? a) Oceans currents carry water from cold to warm areas b) Ocean currents carry water which absorbs heat during the day and releases it at night c) Ocean currents carry water contracts when heated and expands when cooled d) Ocean currents carry water evaporates during the day and condenses at night 41) Which relationship is similar to a dog and tick?  a) Clown fish and anemone b) Malaria in humans c) Cow and grass d) Bee and flowers 42) Since telescopes on Earth can only observe waves that can penetrate the atmosphere, which waves would not be observed using a telescope on the surface of Earth? a) Infared b) Radio c) Ultraviolet d) visible light 43) A student makes a model of a plate boundary as shown. Which crustal feature would be most likely to be found at this location? a) Seafloor spreading b) Mid Ocean Ridge c) Fault LIne d) Mountains 44) What happens to an air mass moving from the South pole towards the equator based on the spin of the Earth?  a) It would move eastwared b) It would move westward c) It moves back to the South d) It moves to the nearest body of water 45) Which statement best describes the chemical formula shown  a) 8 oxygen atoms b) 20 total atoms c) 3 different elements d) Doesn't contain organic elements 46) Which picture best shows the way to properly store test tubes during an laboratory experiment?   a) b) c) d) 47) To make a map of a local swimming hole, students measure the depth of water at different locations by using a weighted rope to determine the measure to the bottom of the hole. what other data is needed to make the best complete map of this area? a) Water temperature b) Water pressure c) Position relative to the shore d) Depth of sunlight 48) Scientist believe that atomic interactions depend on the valence electrons in each atom. This theory is best supported by similar ractions among elements - a) With similar atomic numbers b) With similar atomic masses c) In the same period d) In the same group 49) Which scientist listed is most famous for their work with atoms? a) Darwin b) Einstein c) Rutherford d) Medeleev 50) A biology class does a field experiment to observe the creek that is located on school grounds. Which tool should not be used to analyze the sample mentioned? a) Insect net b) Specimen jar c) Thermometer d) pH paper

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