Chemical Properties

Question 1

Which of the following did you include in your question? Check all that apply.

Revolt · Accepted Answer

independent variable 1: temperature of the water; independent variable 2: surface area of the tablet; dependent variable: reaction time; format: What are the effects of X and Y on Z?

Question 2

Which of the following did you include in your hypothesis? Check all that apply.

Revolt · Accepted Answer

The “if” part of your hypothesis refers to changing the temperature and the surface area.; The “then” part of your hypothesis refers to a measureable difference in time.; The “because” portion of your hypothesis connects temperature and surface area to the reaction rate.

Question 3

Did you read the Student Guide carefully?

Revolt · Accepted Answer

yes

Question 4

Which statements are part of the safety protocol for this lab experiment? Check all that apply.

Revolt · Accepted Answer

Wear appropriate clothing for this activity (safety goggles, apron, gloves, etc.).; Check all glassware for chips and cracks.; Behave in a way that is purposeful.; Report all accidents to the teacher.

Question 5

The independent variables, the ones that are intentionally manipulated, are .

Revolt · Accepted Answer

temperature and surface area

Question 6

The dependent variable, the one that you measure the response in, is .

Revolt · Accepted Answer

reaction time

Chemical Properties Answers

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