1) Class did a lab to see how quickly certain substance dissolve in water (since it is a universal solvent). They measured the amount of time it took for 1 teaspoon of each of the following to dissolve in 1 cup of room temperature water: salt, granulated sugar, powdered sugar, oil, cocoa powder. What question can we answer with results from this lab? a) How long does it take salt water to freeze? b) What happens when you let the water evaporate out of sugar water? c) What substances can water dissolve in one minute? d) Which liquid melts the fastest? 2) Water is amazing because... a) it changes states of matter b) it is composed of two atoms c) it is the only substance on Earth that can naturally be found in a solid, liquid and gas d) it is elemental 3) What property of water causes water to stick to other water molcules? a) adhesion b) cohesion c) surface tension d) universal solvent 4) What property of water causes water to stick to other (different) things like your shoes, or a leaf? a) adhesion b) cohesion c) surface tension d) polarity 5) Solid water (ice) floats on top of liquid water because... a) adhesion b) cohesion c) water is less dense when frozen d) conduction 6) Water striders can stand on top of water because of... a) polarity b) conduction c) convection d) surface tension 7) In order for water to go from a solid (ice) to a liquid you must... a) add thermal energy/warm up b) subtract thermal energy/cool down c) it isn't possible 8) In order for water to go from a liquid to a solid (ice) you must... a) add thermal energy/warm up b) subtract thermal energy/cool down c) it isn't possible 9) "In the answer response below, select two answers." How many answers did the instructions ask you to select? a) two b) one c) three d) none 10) Using the data table, select which statements are accurate. a) the deeper in the water you go, the colder it gets b) the warmest water is at the top c) the warmest water is deep down in the water d) the deeper in the water you go, the colder it gets AND the warmest water is at the top  11) What is being described in this statement? "Water seeps into a cracks of a rock. Temperature drops below freezing and water expands as it freezes. Pressure from expanding water breaks the rock apart. a) erosion b) deposition c) weathering by vegetation d) weathering by freezing water 12) In the summer, large bodies of water __________ heat, causing the surrounding areas to have cooler temperatures. a) absorb b) release 13) In the winter, large bodies of water __________ heat, causing the surrounding areas to have warmer temperatures. a) absorb b) release 14) When water is heated at power plants, it creates ____________ which is used to spin a turbine, creating electricity. a) ice b) liquid c) solid d) steam 15) What gas is most common in Earth's atmosphere? a) oxygen b) hydrogen c) nitrogen d) argon 16) The second most common gas in Earth's atmosphere is... a) oxygen b) hydrogen c) water d) argon 17) Three more gases commonly found in the atmosphere in much smaller quantities than nitrogen and oxygen are... a) nitrogen and oxygen b) carbon dioxide, water vapor, argon c) argon, nitrogen and oxygen d) hydrogen, carbon and argon 18) As altitude increases in Earth's atmosphere what happens to air pressure? Remember coming up to the surface after being deep in water. a) increases b) decreases c) stays the same 19) Which atmospheric level does weather occur in? a) thermosphere b) mesosphere c) stratosphere d) troposphere 20) Which two atmospheric levels increase temperature as you increase altitude? (this of gathering stress sweat in a thermos) a) mesosphere and troposphere b) stratosphere and troposphere c) stratosphere and thermosphere d) thermosphere and mesosphere 21) This symbol shows that what type of weather is moving to the right? a) warm, wet b) cold, wet c) cold and warm d) wet and dry 22) warm and humid air masses that produce heavy rain, hail, and strong winds describes what? a) thunderstorm b) tornado c) blizzard d) hurricane e) drought 23) forms over warm ocean waters and can cause damage to coastal areas with high winds and heavy rain, describes what? a) thunderstorm b) tornado c) blizzard d) hurricane e) drought 24) severe weather that has strong rotating winds is what? a) thundestorm b) tornado c) blizzard d) hurricane e) drought 25) When it doesn't rain for an extended period of time and the soil dries out is what? a) thunderstorn b) tornado c) blizzard d) hurricane e) drought

Grade 6 Science BM Review

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