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Clicker Review Game

Clicker Review Game. STAR Practice 2010-2011 CST Release Questions. Please click on your table number. Table 1 Table 2 Table 3 Table 4 Table 5 Table 6 Table 7 Table 8. 0 of 36.

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Clicker Review Game

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  1. Clicker Review Game STAR Practice 2010-2011 CST Release Questions

  2. Please click on your table number. • Table 1 • Table 2 • Table 3 • Table 4 • Table 5 • Table 6 • Table 7 • Table 8 0 of 36

  3. The graph below shows the movement of an object at several points in time. What is the average speed of the object? • 0.5 m/min • 2 m/min • 25 m/min • 50 m/min

  4. Data from an experiment are presented below. At 0.6 s, what is the distance the object has traveled? • 0.5 m/min • 2 m/min • 25 m/min • 50 m/min

  5. A spring scale is pulled downward and readings are recorded. • 12 N • 13 N • 14 N • 15 N If the spring is pulled 3.5 cm, the spring scale should read

  6. A student records the mass and volume of a lump of clay, x. Next, a second lump of clay, y, is added to lump x, and the combined (x + y) mass and volume are recorded. Finally, a third lump of clay, z, is added to the combine (x + y) mixture, and the final (x + y + z) mass and volume are recorded, as shown below. • Lump z had the greatest mass. • Lump z had the lowest density. • Lump y had the lowest density. • Lump y had the greatest mass What is the most logical conclusion about the clay used in this investigation?

  7. Red-clay bricks have a density of approximately 2000 kg/m3. Air has a density of 1 kg/m3. Which of the following has the lowest mass? • 2 m3 of bricks • 4 m3 of bricks • 6000 m3 of air • 10,000 m3 of air

  8. An athlete can run 9 kilometers to 1 hour. If the athlete runs at at that same average speed for 30 minutes, how far will the athlete travel? • 18 kilometers • 9 kilometers • 4.5 kilometers • 3.3 kilometers

  9. How much time is required for a bicycle to travel a distance of 100 m at an average speed of 2 m/s? • 0.02 s • 50 s • 100 s • 200 s

  10. Which of the following represents the velocity of a moving object? • 40 • 40 m north • 40 m/s • 40 m/s north

  11. Which characteristic of motion could change without changing the velocity of an object? • the speed • the position • the direction • the acceleration

  12. The graph shows how the position of an object changes over time. What is the speed of the object during the time interval from 4 seconds to 10 seconds? • 2 m/s • 3 m/s • 8 m/s • 16 m/s

  13. The graph shows the speed of a vehicle over time. How far did the vehicle travel during the first two seconds? • 0.2 m • 5 m • 10 m • 20 m

  14. A force is acting on each of the objects below. • They are the same because they point toward the object • They are the same because they have the same magnitude • They are different because they have different magnitudes • They are different because they have different directions What can be concluded about these forces?

  15. Two student are pushing a cart, as shown below. • 50 N • 150 N • 200 N • 350 N The cart will move as if it were acted on by a single force with a magnitude of?

  16. A ball is dropped from the top of a tall building. As the ball falls, the upward force of air resistance becomes equal to the downward pull of gravity. When these two forces become equal in magnitude, the ball will • flatten due to the forces • fall at a constant speed • continue to speed up • slow to a stop

  17. Four forces are acting on a box, as shown below. • downward and to the left • downward and to the right • upward and to the left • upward and to the right The box will increase in speed

  18. A force of 5 N is required to increase the speed of a box from a rate of 1.0 m/s to 3.0 m/s within 5 s along a level surface. What change would most likely require additional force to produce the same results? • Reduce the mass of the box • Increase the mass of the box • Make the surfaces of the box smooth • Make the surface of the floor smooth

  19. What is the density of a 64-g iron cube that displaces 8 mL of water? • 512 g/mL • 32 g/mL • 8 g/mL • 4 g/mL

  20. A piece of pine wood floats on the surface of a lake because the water exerts • An upward force equal to the weight of the wood. • A downward force equal to the weight of the wood. • An upward force equal to the weight of the displacement water • An downward force equal to the weight of the displacement water

  21. The following table shows properties of four different sample materials. One of these materials is cork, a type of wood that floats in water. • 1 • 2 • 3 • 4 Given that the density of water is 1 g/mL, which of the samples is most likely cork?

  22. The densities of four different woods are shown below. • African teakwood • balsa • cedar • ironwood Which wood will sink when placed in a fluid with a density of 1.14 g/cm3?

  23. Which of the following best describes an atom? • protons and electrons grouped together in a random pattern • protons and electrons grouped together in a alternating pattern • a core of protons and neutrons surrounded by electrons • a core of electrons and neutrons surrounded by protons

  24. Which of the following is found farthest from the center of an atom? • nucleus • proton • neutron • electron

  25. When magnesium (Mg) metal is burned in the presence of oxygen (O2), magnesium oxide (MgO) is produced. The properties of magnesium oxide are different than the individual properties of magnesium and oxygen because magnesium oxide is • a solution • a mixture • a compound • an element

  26. Within a substance, atoms that collide frequently and move independently of one another are most likely in a • liquid • solid • gas • crystal

  27. What is the name of the indicated atom in the acetic acid molecule shown below? • carbon • calcium • chromium • copper

  28. Iron oxides, such as rust, form when iron metal reacts with oxygen in the air. What are the chemical symbols for the two elements found in iron oxide? • I and O • Ir and O • Fe and O • Pb and O

  29. What do the elements sulfur (S) nitrogen (N), phosphorus (P), and bromine (Br) have in common? • They are noble (inert) gases. • They are nonmetals. • They have the same thermal conductivity. • They have the same number of protons.

  30. A diagram of the periodic table of the elements is shown below. • 1 • 2 • 3 • 4 In which region of the table would nonmetals be found?

  31. The table below shows the atomic mass of four stable calcium (Ca) isotopes. • the position in the periodic table of the elements • the net charge of the nucleus • the mass of the protons in the nucleus • the number of neutrons in the nucleus What characteristic is different in each isotope?

  32. Which class of elements best conducts electricity? • metals • nonmetals • semimetals • noble (inert) gases

  33. In comparison of metals to nonmetals, metals tend to have • lower melting points and greater conductivity than nonmetals. • lower conductivity and lower density than nonmetals. • higher density and lower melting pints than nonmetals. • Greater conductivity and higher melting points than nonmetals.

  34. A student divides several cubes into two groups, based on whether or not each cube can float in water. What property is the student using to classify the cubes? • weight • density • conductivity • mass

  35. The galaxies pictured below would best be classified as • barred galaxies • spiral galaxies • irregular galaxies • symmetrical galaxies

  36. A galaxy is best described as a cluster of • hundreds of stars. • thousands of stars. • millions of stars • billions of stars

  37. To express the distance between the Milky Way galaxy and other galaxies, the most appropriate unit of measurement is the • meter. • kilometer. • light-year. • astronomical unit.

  38. Which of the following sets contains only objects that shine as a result of reflected light? • moons, planets, and comets • moons, comets, and stars • planets, stars, and comets • planets, stars, and moons

  39. An object composed mainly of ice is orbiting the Sun in an elliptical path. This object is most likely • a planet. • an asteroid. • a meteor. • a comet.

  40. Copper (Cu) reacts with oxygen (O) to form copper oxide (CuO). The properties of CuO are most likely • different from copper or oxygen. • similar to both copper and oxygen. • similar only to copper. • similar only to oxygen.

  41. The following equations represent chemical reactions. • 1 • 2 • 3 • 4 Which equation shows that the total mass during a chemical reaction stays the same?

  42. Which of the following forms of energy is released or absorbed in most chemical reactions? • light energy • electrical energy • sound energy • heat energy

  43. As a sample of water turns to ice, • new molecules are formed. • the mass of the sample is increased. • the arrangements of the molecules changes. • energy is absorbed by the molecules.

  44. The table below shows the pH and reaction to litmus of four body fluids. • very acidic. • very basic • positively charged • pegatively charged These data indicate the gastric juice is

  45. What characteristic of carbon ( C) makes it essential to living organisms? • Carbon forms crystal structures under certain conditions. • Carbon can exist as a solid, liquid, or gas. • Carbon bonds in many ways with itself to form chains. • Carbon exists in radioactive forms.

  46. Which of the following elements is best able to combine with itself and hydrogen (H) to form large molecules? • sodium (Na) • lithium (Li) • sulfur (S) • carbon (C)

  47. Which of the following compounds is most likely to be part of living organisms? • C6H12O6 • BF3 • MoCl2 • CsI

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