SCI-6 SOL Practice Questions_6th Grade Exam not valid for Paper Pencil Test Sessions

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1 SCI-6 SOL Practice Questions_6th Grade Exam not valid for Paper Pencil Test Sessions [Exam ID:392MWT 1 The quality of pond water can be determined by identifying the number and types of organisms found living in the water. Which piece of equipment will best help students identify some of these organisms? A Microscope B ph paper C Binoculars D Pan balance 2 A student designs and builds a 1:1000 scale model of the Mt. Fuji volcano in Japan. Since Mt. Fuji is about 3,800 m high, what is the height of his scale model? A 3,800 m B 3.8 m C 0.38 m D 380 m

2 3 A scale model of the planet Mercury is shown. Based on the scale, which of the following is the most accurate diameter of Mercury? A 500,000 km B 1,000 km C 5,000 km D 50,000 km 4 Students performed several trials using the laboratory setup shown. Students were also given this hypothesis: If friction increases, then the rolling distance of a marble will decrease. What should be changed to best test this hypothesis? A Height of the ramp B Height and length of the ramp C Roughness of the ramp surface D Height of the ramp and roughness of the ramp surface 5 A student measured the power of a motor operating at different temperatures. The student recorded a total of 11 measurements, one at each 2 degree interval between 10 C and 30 C. Which change in the procedure would most improve the validity of conclusions based on this investigation? A Increasing the number of variables B Decreasing the range of the independent variable C Repeating the experiment several times D Producing a graph of numerical observations

3 6 Which of these would be the best way to prove that a pine stick is more flexible than an oak stick? A C B D 7 Directions: Click on the correct answers. Which three drawings best represent objects with kinetic energy? 8 Water stored behind a dam is an example of what type of energy? A Kinetic B Potential C Solar D Chemical 9 Energy from the Sun is distributed around Earth by A subduction and rift zones B tectonic plates C solar flares D radiation and convection

4 10 Which of the following is a nonrenewable energy source? A Fossil fuel B Hydroelectric generator C Wind turbine D Solar collector 11 Fossil fuels such as gas, oil, and coal have what kind of energy? A Electrical energy B Mechanical energy C Chemical energy D Nuclear energy 12 This picture shows a radiometer. It is designed to be placed in a sunny window. One side of each thin blade of the radiometer is painted black, and the other side is painted white. The Sun s rays strike the blades, and the device begins to spin. The device is powered by which kind of energy? A Solar B Electrical C Wind D Geothermal 13 As the energy needs for Virginia increase, new sources of energy are required to replace or supplement the nonrenewable sources of energy now in use. Two sources of energy that are renewable and available in Virginia are A wind power and solar power B natural gas and wind power C coal and hydropower D petroleum and solar power

5 14 Which facility relies on a nonrenewable source of energy? A A wind farm that uses wind turbines B A dam that uses the power of water C A power station that burns coal D A solar farm that collects sunlight 15 A major scientific concern over nuclear energy is how to A deal with the large amounts of fossil fuels required B reduce the high levels of carbon dioxide emitted into the air C prevent the depletion of the ozone layer D store the waste products safely 16 What type of energy does the windmill use to do work? A Mechanical B Chemical C Electrical D Nuclear 17 During which phase does the Moon receive sunlight only on the side facing away from Earth? A Full Moon B Waning gibbous C Waxing gibbous D New Moon

6 18 Which energy transformation occurs first in a coal-burning power plant? A Thermal energy to mechanical energy B Thermal energy to electrical energy C Chemical energy to thermal energy D Mechanical energy to electrical energy 19 Which action will most reduce the use of nonrenewable energy resources in a school district? A Installing low-flow faucets and toilets B Recycling worksheets and other paper products C Limiting the sweeping and mopping of classrooms to once a month D Replacing current lighting with more efficient lighting 20 Venus, the moon, Mars, and the sun are all visible in our sky. All but one of these reflect light from another source. Which of the following produces its own light? A Venus B The Moon C Mars D The sun 21 It is important to protect air quality because A wind currents change when the air is polluted B energy produced by the Sun decreases when air is polluted C storms worsen as air pollution decreases D acid rain is caused by air pollution 22 Which of these has the strongest gravitational field? A Sun B Earth C Saturn D Jupiter 23 Which characteristic is common to the four outer planets in our solar system? A Low mass B High density C Fast revolution D Gaseous composition

7 24 Earth is different from the other planets in our solar system because it A has collided with meteorites B has oceans and lakes C orbits a star D makes up the majority of the mass of our solar system 25 Which of the following causes the Sun to appear to set? A The rotation of the Earth B The revolution of the Earth C The revolution of the Sun D The rotation of the Sun 26 Astronomers view objects in space through scientific instruments known as A microscopes B hygrometers C barometers D telescopes 27 Directions: Click and drag the answers to the correct boxes. What are the ordered steps for cloud formation? Liquid water evaporates Warm water vapor rises Water vapor cools Water condenses 28 Which of the following best describes why the Moon orbits Earth? A The distance the Moon and Earth are from the Sun B The energy reflected from the surface of Earth C The winds generated on Earth by the energy of the Sun D The gravitational attraction between the Moon and Earth 29 Which body of water is often protected naturally from storms by barrier islands and also contains a mixture of fresh water and salt water? A Estuary B Ocean C Lake D Pond

8 30 Where is water most likely to become contaminated? A At the ocean bottom B By a dam C In a forest D Near a cattle farm 31 A cold air mass moves underneath a warm air mass causing the warm air to rise. This event can best be identified as A a cold front B a warm front C an occluded front D a stationary front 32 Which of these is a way that a person can help improve air quality? A Build a compost pile B Carpool with several people C Burn leaves in the fall D Use a gas-powered lawn mower

9 33 Which statement correctly describes a difference between the mesosphere and the stratosphere? A The mesosphere has more active weather than the stratosphere. B The mesosphere contains fewer oxygen molecules than the stratosphere. C Air pressure is lower in the stratosphere than in the mesosphere. D Temperatures decrease with altitude only in the stratosphere. 34 Which of these substances is an element? A Sugar B Plastic C Steel D Chlorine 35 Clouds are formed when millions of drops of water become suspended in the air. Which of the following is a step in the process of cloud formation? A Condensation of water vapor B Breakdown of atmospheric ozone C Formation of carbon dioxide D Expansion of cold air

10 36 Which of these is a result of burning fossil fuels? A Hydroelectric energy B Solar energy C Clean water D Acid rain 37 What is one advantage of using a hydroelectric plant? A It provides renewable energy to human populations. B It has little effect on wildlife when being constructed. C It has little effect on water flow. D It is expensive to build. 38 After fishing in the ocean, a student left his fishing gear in the sun to dry. Later, he noticed that small white crystals had formed on the rod, reel, and fishing line. Which of these is the best explanation of what occurred? A The water evaporated from the fishing gear, and sand was attracted to it. B The fish that were caught left scales on the fishing gear. C The salt in the ocean water reacted with the fishing gear and caused it to rust. D The water evaporated from the fishing gear, and salt from the ocean was left behind. 39 Physical and chemical weathering processes are responsible for breaking down rocks. Which of these is an example of chemical weathering by water? A Mineral crystals form as water evaporates from rocks. B Limestone reacts with acid rain and dissolves. C Water freezes in rock cracks and causes the rock to split. D Moss collects and grows on the surface of rocks. 40 Why is water known as the "universal solvent"? A It dissolves all known substances. B It dissolves only solid substances. C It dissolves the greatest number of substances. D It dissolves substances faster than all other solvents. 41 Hurricanes form in tropical waters between 8 and 20 degrees north and south of the equator. Hurricanes rarely form at higher latitudes because the water is too A warm B deep C shallow D cold

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