A student concludes that a chemical reaction performed in a classroom investigation was exothermic. To communicate the validity of this conclusion, which would make the best visual evidence in a presentation?
photographs of reactants and products listing of masses of reactants and products listing of time from start to finish of reaction photograph of a flame produced when the chemicals reacted
A B C D
Question: A student concludes that a chemical reaction performed in a classroom investigation was exothermic. To communicate the validity of this conclusion, which would make the best visual evidence in a presentation?
A. photographs of reactants and products
B. listing of masses of reactants and products
C. listing of time from start to finish of reaction
D. photograph of a flame produced when the chemicals reacted
Answer:
A student concludes that a chemical reaction performed in a classroom investigation was exothermic. To communicate the validity of this conclusion, which would make the best visual evidence in a presentation?
listing of masses of reactants and products photograph of a flame produced when the chemicals reacted photographs of reactants and products listing of time from start to finish of reaction
A B C D
Question: A student concludes that a chemical reaction performed in a classroom investigation was exothermic. To communicate the validity of this conclusion, which would make the best visual evidence in a presentation?
A. listing of masses of reactants and products
B. photograph of a flame produced when the chemicals reacted
C. photographs of reactants and products
D. listing of time from start to finish of reaction
Answer:
B
A student concludes that a chemical reaction performed in a classroom investigation was exothermic. To communicate the validity of this conclusion, which would make the best visual evidence in a presentation?
photographs of reactants and products listing of masses of reactants and products listing of time from start to finish of reaction photograph of a flame produced when the chemicals reacted
1 2 3 4
Question: A student concludes that a chemical reaction performed in a classroom investigation was exothermic. To communicate the validity of this conclusion, which would make the best visual evidence in a presentation?
1. photographs of reactants and products
2. listing of masses of reactants and products
3. listing of time from start to finish of reaction
4. photograph of a flame produced when the chemicals reacted
Answer:
4
A student concludes that a chemical reaction performed in a classroom investigation was exothermic. To communicate the validity of this conclusion, which would make the best visual evidence in a presentation?
photographs of reactants and products listing of masses of reactants and products listing of time from start to finish of reaction photograph of a flame produced when the chemicals reacted
O I N H
Question: A student concludes that a chemical reaction performed in a classroom investigation was exothermic. To communicate the validity of this conclusion, which would make the best visual evidence in a presentation?
O. photographs of reactants and products
I. listing of masses of reactants and products
N. listing of time from start to finish of reaction
H. photograph of a flame produced when the chemicals reacted
Answer:
H
A student concludes that a chemical reaction performed in a classroom investigation was exothermic. To communicate the validity of this conclusion, which would make the best visual evidence in a presentation?
listing of masses of reactants and products photograph of a flame produced when the chemicals reacted photographs of reactants and products listing of time from start to finish of reaction
O I N H
Question: A student concludes that a chemical reaction performed in a classroom investigation was exothermic. To communicate the validity of this conclusion, which would make the best visual evidence in a presentation?
O. listing of masses of reactants and products
I. photograph of a flame produced when the chemicals reacted
N. photographs of reactants and products
H. listing of time from start to finish of reaction
Answer:
I