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- 1. Multiple ChoiceWhich property of a substance indicates whether the substance is a liquid or a solid at room temperature?Melting pointElectrical conductivityFlexibilitySolubility
- 2. Multiple ChoiceWhich statement is an inference?A thermometer shows that the air temp is 56°F.A mineral sample of galena produces a gray-black streak when testedBased on previous data, ten hurricanes occur in the year 2013A weather vane indicates the wind is coming from the west
- 3. Multiple Choice
Which two atoms are water molecules made of?Helium & OxygenOxygen & CarbonHydrogen & OxygenHydrogen & Sulfur - 4. Multiple ChoiceWhich activity is an example of a chemical change?Dissolving table salt in waterHammering aluminum into thin sheetsMelting gold to make jewelryBurning wood to produce ashes
- 5. Multiple ChoiceA student examined a rock sample and described it as having particles of various colors that were 1 millimeter to 12 millimeters in size. The student was makingAn inferenceA predictionA hypothesisAn observation
- 6. Multiple ChoiceA student is trying to dissolve 20 grams of sugar in a beaker containing 250 milliliters of water at room temperature. What can the student do to make the sugar dissolve faster in the water?Decrease the temp of the waterUse larger pieces of sugarStir rapidlyUse less water
- 7. Multiple ChoiceA student states that the graduated cylinder contains 150 mL of water. This statement isA predictionA theoryAn observationA hypothesis
- 8. Multiple ChoiceWhich table correctly identifies the phases of matter represented by the diagrams?A-Liquid
B-Gas
C-SolidA-Solid
B-Liquid
C-GasA-Solid
B-Gas
C-LiquidA-Liquid
B-Solid
C-Gas - 9. Multiple ChoiceWhich process is represented by B?CondensingFreezingEvaporatingMelting
- 10. Multiple ChoiceWhich process is represented by B?CondensingFreezingEvaporatingMelting
- 11. Multiple ChoiceWhich letter represents melting?ABCD
- 12. Multiple ChoiceWhich of the following elements is a noble gas?SulfurArgonCopperChlorine
- 13. Multiple ChoiceWhich two processes increase the motion of the molecules?A and BC and DC and BD and A
- 14. Multiple ChoiceWhich of the following elements is a metal?NeonSulfurAluminumIodine
- 15. Multiple ChoiceWhat is the symbol for Silver?SiAgSeAs
- 16. Multiple ChoiceThe graph below shows the solubility of three substances in 100 grams of water at various temperatures. How many grams of KBr will dissolve in 100 grams of water at 60°C?60 grams85 grams110 grams75 grams
- 17. Multiple ChoiceHow many atoms combined to form the two water molecules?ThreeTwoFourSix
- 18. Multiple ChoiceHow many atoms combined to form the two water molecules?FiveFourThreeSix
- 19. Multiple ChoiceThis diagram shows a glass containing a liquid and ice cubes. Which process causes water droplets to form on the outside of the glass?EvaporationFreezingCondensationMelting
- 20. Multiple ChoiceThe diagram below shows a glass containing a liquid and ice cubes. Which process causes water droplets to form on the outside of the glass?EvaporationFreezingCondensationMelting
- 21. Multiple ChoiceWhat is the independent (manipulated) variable in this experiment?Number of seedsAmount of waterType of plantAmount of sunlight
- 22. Multiple ChoiceWater (H2O) is not found on the periodic table of elements because water is a ...An atomA liquidA mixture
A compound
- 23. Multiple ChoiceAll matter is made up of particles called...CellsMoleculesAtomsCompounds
- 24. Multiple ChoiceThis image can best be described as ..LiquidSolidGas
- 25. Multiple ChoiceWhich is an example of a physical change?Wood burningIron rustingIce meltingMilk souring
- 26. Multiple ChoiceWhat will happen to these molecules if they were put into a colder environment?They would speed upThey would move further apart
They would slow down
They would multiple - 27. Multiple ChoiceWhich event is a chemical change?The baseball strikes the roofThe roof of the car dentsThe paint cracks and chipsThe exposed metal rusts
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