Register
A scientist claims that a certain chemical will make fabric waterproof. Which option describes a controlled experiment that will produce evidence that will support or refute her claim?
149k views
0 votes
A scientist claims that a certain chemical will make fabric waterproof. Which

option describes a controlled experiment that will produce evidence that will
support or refute her claim?

User Snowmonkey
by
4.9k points

2 Answers

6 votes

Answer: She adds different amounts of the chemical to the material and then puts them in the water

Step-by-step explanation:

User Victor Zadorozhnyy
by
5.4k points
5 votes

Answer: One group of fabric is treated with the chemical, and the other group is not. Then each group is exposed to water.

Step-by-step explanation:

User Johnny John Boy
by
5.1k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.9m questions

7.8m answers

Other Questions

How does the capacitance of a parallel plate capacitor change with the geometry of the capacitor?
What type of relationship exists between the length of a wire and the resistance, if all other factors remain the same? Resistance is directly related to length. Resistance is directly related to the square
Explaining Wave Speed through Different Media Explain why the speed of light is lower than 3.0 × 108 m/s as it goes through different media.
Indy runs 2 kilometers every morning. She takes 2 minutes for the first 250 meters, 4 minutes for the next 1,000 meters, 1 minute for the next 350 meters, and 3 minutes for the rest. Cindy’s average speed
A space station that does not rotate cannot simulate gravity for its occupants. A)True B)False From within a rotating reference frame, the centrifugal force simulates gravity. A)True B)False On a rotating
Link Copied!