1) A simple circuit needs......... a) foil and a battery b) A bulb (load), battery and wire c) A buzzer (load) and wire d) A paper clip, wire and a battery 2) Materials which allow electricity to easily flow a) insulators b) plastic c) conductors d) wood 3) Materials that do not allow electricity to easily flow a) insulators b) conductors c) silver d) aluminum 4) Light can easily pass through objects that are...... a) mirky b) translucent c) opaque d) transparent 5) Light can only pass through these objects partially... a) clear b) translucent c) opaque d) transparent 6) Light does not pass through these type of objects... a) opaque b) transparent c) translucent d) windows 7) What are natural resources that cannot be replaced? (Nonrenewable energy) a) petroleum, coal, natural gas b) wind energy c) water energy d) solar energy 8) Renewable energy that can be replaced naturally and can be used again... a) coal and natural gas b) water, wind and solar energy c) petroleum and coal d) rocks and coal 9) Any push or pull that causes an object to move, stop or change speed or direction a) force b) energy c) friction d) solar 10) A force that opposes the motion of an object a) force b) energy c) friction d) potential 11) Lemonade being dissolved in water is called a a) friction b) mixture c) energy d) solution 12) When 2 or more substances are combined but do not lose or change their identifying characteristics. a) gas b) mixture c) solid d) solution 13) Anything that takes up space and has volume. a) matter b) atoms c) molecules d) solutions 14) Energy of motion a) Kinetic energy b) Potential energy c) Friction d) Matter 15) Objects in motion stay in motion and objects at rest stay at rest unless..... a) you have thermal energy b) the wind blows c) acted on by a force d) you drop an item 16) Sound waves travels fastest through a) solids b) liquids c) gas d) heat 17) When boundaries move toward each other a) convergent b) divergent c) transform d) plates 18) When plate boundaries move apart from each other a) convergent b) divergent c) transform d) crust 19) Which rock has layers and is compacted and cemented together? a) igneous b) metamorphic c) sedimentary d) metallic 20) Which rock must be melted and cooled? a) metamorphic b) igneous c) metallic d) sedimentary 21) The revolution of the Earth causes a) Day b) Night c) Seasons d) Weather 22) The rotation of the Earth causes a) Day and Night b) Seasons c) Weather d) Moon changes 23) Fluffy and white clouds. Usually indicates fair weather. a) Cumulus b) Cumulonimbus c) Stratus d) Cirrus 24) Large and dark cumulus clouds. They often produce thunderstorms. a) Cumulus b) Cumulonimbus c) Stratus d) Cirrus 25) The 3rd planet from the sun a) Venus b) Mercury c) Mars d) Earth 26) Organisms that make their own food a) Decomposers b) Producers c) Niche d) Consumers 27) Organisms that break down dead material a) Decomposers b) Producers c) Niche d) Consumers 28) Green plants produce their own food through a) grocery markets b) wind c) photosynthesis d) animals

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