
TEKS Grade 8 Science - 8.5.E The Law of Conservation of Mass
Quiz by Texas Education Agency
Grade 8
Science (2017)
Texas Essential Knowledge and Skills (TEKS)
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6 questions
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- Q1A teacher asks a student to write the chemical equation for photosynthesis. The student’s response is shown below. The equation is not balanced correctly. Which of these is a balanced equation for photosynthesis?#texas/42f49aba-ff70-48a8-84e8-a30523320ff9/C.png#texas/42f49aba-ff70-48a8-84e8-a30523320ff9/D.png#texas/42f49aba-ff70-48a8-84e8-a30523320ff9/A.png#texas/42f49aba-ff70-48a8-84e8-a30523320ff9/B.png60s8.5e
- Q260s8.5e
- Q3Users enter free textType an Answer60s8.5e
- Q4Which BEST explains why the total mass of the product(s) would be less than the total weight of the reactant(s) after a chemical reaction?Physical change occurred.Atoms involved in the reaction lost mass.Gases were released to the atmosphere.Precipitates were created in the new solution.60s8.5e
- Q5If a chemical reaction such as photosynthesis begins with 6 atoms of carbon (C), how many atoms of carbon (C) should be in the products?3 atoms of carbon (C)6 atoms of carbon (C)12 atoms of carbon (C)2 atoms of carbon (C)60s8.5e
- Q6How does a balanced chemical equation satisfy the Law of Conservation of Mass?During a chemical reaction, the total number of atoms increases.During a chemical reaction, matter is destroyed.During a chemical reaction, one or more new substances are formed.During a chemical reaction, the total amount of matter stays the same.60s8.5e