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1st six weeks review
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STAAR 2013 #2; RC 1; Readiness 1. Which of these is the best conductor of electricity? F. Glass rod G. Cotton string H. Plastic tubing J. Copper penny
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STAAR 2013 #2; RC 1; Readiness 1. Which of these is the best conductor of electricity? F. Glass rod G. Cotton string H. Plastic tubing J. Copper penny
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STAAR 2013 #10; RC 1; Readiness 2. A teacher mixes a white powder into a beaker of water. The powder cannot be seen in the water. The teacher then heats the mixture until the water evaporates and the powder can be seen again. Which property of the powder is the teacher demonstrating? F. Solubility G. Density H. Conductivity J. Mass
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STAAR 2013 #10; RC 1; Readiness 2. A teacher mixes a white powder into a beaker of water. The powder cannot be seen in the water. The teacher then heats the mixture until the water evaporates and the powder can be seen again. Which property of the powder is the teacher demonstrating? F. Solubility G. Density H. Conductivity J. Mass
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4. Which of the following can be attracted to a magnet?
2003—#38 (82%) 4. Which of the following can be attracted to a magnet? F Gold ring G Glass marble H Iron needle J Wool sock
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4. Which of the following can be attracted to a magnet?
2003—#38 (82%) 4. Which of the following can be attracted to a magnet? F Gold ring G Glass marble H Iron needle J Wool sock
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5. Matter can undergo changes. When water boils, a —
2004—#6 (80%) 5. Matter can undergo changes. When water boils, a — F liquid becomes a solid G solid becomes a liquid H liquid becomes a gas J gas becomes a solid
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5. Matter can undergo changes. When water boils, a —
2004—#6 (80%) 5. Matter can undergo changes. When water boils, a — F liquid becomes a solid G solid becomes a liquid H liquid becomes a gas J gas becomes a solid
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65. Some wires are covered in plastic to protect people from electric shocks. Why is plastic a good choice for covering electric wires? A Plastic is a good insulator. B Plastic is a good conductor. C Plastic has a high density. D Plastic can be many colors.
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65. Some wires are covered in plastic to protect people from electric shocks. Why is plastic a good choice for covering electric wires? A Plastic is a good insulator. B Plastic is a good conductor. C Plastic has a high density. D Plastic can be many colors.
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67. An object’s hardness, taste, and texture are examples of—
A principles B stages C properties D processes
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67. An object’s hardness, taste, and texture are examples of—
A principles B stages C properties D processes
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68. A shiny aluminum screen can be placed on the windshield of a parked car. This screen helps to keep the car cool because it— A reflects the sunlight B absorbs the heat C causes evaporation D conducts electricity
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68. A shiny aluminum screen can be placed on the windshield of a parked car. This screen helps to keep the car cool because it— A reflects the sunlight B absorbs the heat C causes evaporation D conducts electricity
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71. Which of the following would make a good insulator?
A Iron nail B Copper coin C Rubber glove D Metal doorknob
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71. An insulator does not allow electricity to pass through it easily
71. An insulator does not allow electricity to pass through it easily. Which of the following would make a good insulator? A Iron nail B Copper coin C Rubber glove D Metal doorknob
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72. A sample piece of metal is chopped into smaller pieces
72. A sample piece of metal is chopped into smaller pieces. Which physical property of all the pieces will be the same? A The mass of each piece B The volume of each piece C The size of each piece D The melting point of each piece
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72. A sample piece of metal is chopped into smaller pieces
72. A sample piece of metal is chopped into smaller pieces. Which physical property of all the pieces will be the same? A The mass of each piece B The volume of each piece C The size of each piece D The melting point of each piece
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74. What property describes the ability of a substance to allow electricity to flow?
A Density B Solution C Magnetism D Conductivity
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74. What property describes the ability of a substance to allow electricity to flow?
A Density B Solution C Magnetism D Conductivity
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79. Which property of matter below depends on the force of gravity?
A length B mass C volume D weight
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79. Which property of matter below depends on the force of gravity?
A length B mass C volume D weight
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115. Which tool can be used to compare the mass of a large rock to the mass of two wooden blocks?
A graduated cylinder B thermometer C spring scale D pan balance
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115. Which tool can be used to compare the mass of a large rock to the mass of two wooden blocks?
A graduated cylinder B thermometer C spring scale D pan balance
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STAAR 2013 #14; RC 1; Supporting; 47 1
STAAR 2013 #14; RC 1; Supporting; A student measures the temperature of water being heated on a hot plate. The student observes that the temperature of the water is 53ºC. How many more degrees Celsius must the temperature rise before it reaches the boiling temperature of water?
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STAAR 2013 #14; RC 1; Supporting; 47 1
STAAR 2013 #14; RC 1; Supporting; A student measures the temperature of water being heated on a hot plate. The student observes that the temperature of the water is 53ºC. How many more degrees Celsius must the temperature rise before it reaches the boiling temperature of water? Boiling point of water: 100ºC So…..100 – 53 = 47
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A The temperature at which the water freezes
2006—#9 (72%) 4. Some students were studying properties of water. One student placed a cup containing 80 mL of water in a freezer. Another student placed an identical cup containing 40 mL of water in a different freezer. Which of the following will be the same for both cups of water? A The temperature at which the water freezes B The mass of the frozen water C The time it takes the water to freeze D The volume of the frozen water
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A The temperature at which the water freezes
2006—#9 (72%) 4. Some students were studying properties of water. One student placed a cup containing 80 mL of water in a freezer. Another student placed an identical cup containing 40 mL of water in a different freezer. Which of the following will be the same for both cups of water? A The temperature at which the water freezes B The mass of the frozen water C The time it takes the water to freeze D The volume of the frozen water
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C Both the salt and the sugar D Both the salt and the sand
TAKS Study Guide, #21 2. A student stirs together a mixture of hot water and small amounts of salt, sand, and sugar. The student then pours the mixture through a paper towel. Which substance or substances will collect on the paper towel? A Only the sugar B Only the sand C Both the salt and the sugar D Both the salt and the sand
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C Both the salt and the sugar D Both the salt and the sand
TAKS Study Guide, #21 2. A student stirs together a mixture of hot water and small amounts of salt, sand, and sugar. The student then pours the mixture through a paper towel. Which substance or substances will collect on the paper towel? A Only the sugar B Only the sand C Both the salt and the sugar D Both the salt and the sand
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2004—#22 (78%) 4. Carbon powder and iron filings are both black powders. When mixed together, they look like one black powder. Which of these would be best to use to separate the iron filings from the carbon powder? F A magnifying glass G Heat H A magnet J Water
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2004—#22 (78%) 4. Carbon powder and iron filings are both black powders. When mixed together, they look like one black powder. Which of these would be best to use to separate the iron filings from the carbon powder? F A magnifying glass G Heat H A magnet J Water
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14. When sugar seems to disappear in water, it really—
A dissolves B condenses C evaporates D precipitates
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14. When sugar seems to disappear in water, it really—
A dissolves B condenses C evaporates D precipitates
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18. Which mixture below is also a solution?
A Water and hot chocolate mix B Soil and rocks C Trail mix D Tossed salad (no dressing)
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18. Which mixture below is also a solution?
A Water and hot chocolate mix B Soil and rocks C Trail mix D Tossed salad (no dressing)
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F Electrical and mechanical G Chemical and electrical H Light and heat
2006—#2 (93%) 4. What two forms of energy does a flame from a burning candle release? F Electrical and mechanical G Chemical and electrical H Light and heat J Heat and nuclear
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F Electrical and mechanical G Chemical and electrical H Light and heat
2006—#2 (93%) 4. What two forms of energy does a flame from a burning candle release? F Electrical and mechanical G Chemical and electrical H Light and heat J Heat and nuclear
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5. Moving water has energy
5. Moving water has energy. Energy from the water that moves through a dam is changed mainly to — A magnetic energy B solar energy C electrical energy D light energy
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5. Moving water has energy
5. Moving water has energy. Energy from the water that moves through a dam is changed mainly to — A magnetic energy B solar energy C electrical energy D light energy
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12. What form of energy causes a puddle of water that collected on a sidewalk to evaporate once the rain stops? A Light energy B Thermal energy C Electrical energy D Sound energy
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12. What form of energy causes a puddle of water that collected on a sidewalk to evaporate once the rain stops? A Light energy B Thermal energy C Electrical energy D Sound energy
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13. When you rub your hands together quickly, what kinds of energy are you giving off?
A Light and sound B Thermal and light C Sound and thermal D Electricity and light
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13. When you rub your hands together quickly, what kinds of energy are you giving off?
A Light and sound B Thermal and light C Sound and thermal D Electricity and light
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STAAR 2013 #16; RC 2; Readiness 1. The diagram shows a series circuit with three lit bulbs. How many of the bulb will remain lit if the wire is cut at the point show by the arrow? F. 0 G. 1 H. 2 J. 3
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STAAR 2013 #16; RC 2; Readiness 1. The diagram shows a series circuit with three lit bulbs. How many of the bulb will remain lit if the wire is cut at the point show by the arrow? F. 0 G. 1 H. 2 J. 3
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STAAR 2013 #35; RC 2; Readiness Which of these changes to the electric circuit shown above will cause the light bulb to light up? A. Straightening the wire so that the current can flow more easily. B. Adding a switch and more wire so that the current can flow more easily. C. Turning one battery so that its positive end connects to the other battery’s negative end. D. Making the length of wire the same on both sides of the light bulb.
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STAAR 2013 #35; RC 2; Readiness Which of these changes to the electric circuit shown above will cause the light bulb to light up? A. Straightening the wire so that the current can flow more easily. B. Adding a switch and more wire so that the current can flow more easily. C. Turning one battery so that its positive end connects to the other battery’s negative end. D. Making the length of wire the same on both sides of the light bulb.
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