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BenchMark 4 CLASH OF THE CLICKERS

BenchMark 4 CLASH OF THE CLICKERS. Please select a Team. 30. Team 1 Team 2 Team 3 Team 4 Team 5 Team 6 Team 7 Team8. 0. NaOH + MgCl2  NaCl + MgOH (4grams) (1gram) ( ?grams) (2grams) What is the mass of NaCl ?. 30. 5grams 3grams. 4grams 7grams. 0.

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BenchMark 4 CLASH OF THE CLICKERS

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  1. BenchMark 4 CLASH OF THE CLICKERS

  2. Please select a Team. 30 • Team 1 • Team 2 • Team 3 • Team 4 • Team 5 • Team 6 • Team 7 • Team8 0

  3. NaOH + MgCl2  NaCl + MgOH(4grams) (1gram) ( ?grams) (2grams)What is the mass of NaCl? 30 • 5grams • 3grams. • 4grams • 7grams 0

  4. A galaxy is best described as a cluster of 30 • hundreds of stars. • thousands of stars. • millions of stars. • billions of stars. 0

  5. To express the distance between the Milky Way galaxy and other galaxies, the most appropriate unit of measurement is the 30 • meter. • kilometer. • light-year. • astronomical unit. 0

  6. Team Scores

  7. Which equation shows that the total mass during a chemical reaction stays the same? 30 • 1 • 2 • 3 • 4 0

  8. If a sun is releasing red light it’s considered… 30 • Hot • Cooler 0

  9. Which of the following forms of energyis released or absorbed in most chemicalreactions? • light energy • Electrical energy • sound energy • heat energy

  10. NaOH + MgCl2  NaCl + MgOH(4grams) (1gram) ( ?grams) (2grams)The properties of NaCl + MgOHare… 30 • The same as NaOH + MgCl2 • Different than NaOH + MgCl2 0

  11. The table below shows the pH and reaction tolitmus of four body fluids. These data indicate that gastric juice is • very acidic. • very basic. • positively charged. • negatively charged.

  12. Team Scores

  13. Which of the following sets contains only objects that shine as a result of reflected light? 30 • moons, planets, and comets • moons, comets, and stars • planets, stars, and comets • planets, stars, and moons 0

  14. (Std. 6a) What types of bonds can carbon form? • single bonds • double bonds • single or double bonds • single, double, or triple bonds

  15. (Std.6b) Which of the following lists the six main elements that make up most living organisms? • Silicon, helium, hydrogen, oxygen, carbon, neon • Carbon, phosphorous, sulfur, hydrogen, oxygen, nitrogen • Hydrogen, oxygen, nitrogen, silicon, potassium, fluorine • Carbon, nitrogen, oxygen, iron, sodium, magnesium

  16. NaOH + MgCl2  NaCl + MgOH + ENERGY RELEASEDWhat type of reaction is this? • Synthesis • Endothermic • Exothermic

  17. (Std. 6c) Which of these is among the small molecules found in living organisms? • Salt • DNA • Protein • Fat

  18. (Std. 3b) Two solids and two liquids are mixed together, and a chemical reaction occurs. Which of these statements must be true? • At least one solid product will form from this reaction. • The two solids will form a new solid, and the two liquids will form a new liquid. • None of the products will have any atoms of the reactants. • The final result will have the same number and types of atoms as the reactants.

  19. (Std. 3c) Which of these is a definition of a polymer? • A single element made atoms. • Two or more atoms joining together. • One kind of crystal. • A long chain of molecules made up by a repeating pattern of smaller molecules.

  20. Team Scores

  21. When a chemical change occurs, the products have.. • Properties similar to the reactants • Properties different than the reactants • Properties completely identical to the reactants

  22. A pH of 12-14 is a • Weak acid • Strong acid • Weak base • Strong base • neutral

  23. What process occurs in our sun releasing mass amount of energy • Nuclear fission • Nuclear fusion • Gasoline explosions • Solar flares

  24. When there is a NEW MOON… • The Moon is between the Earth and the Sun • The Earth is between the Moon and the Sun

  25. The moon is visible because it • Has nuclear fusion • Glows • Reflects sunlight

  26. Team Scores

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