subject
Chemistry, 18.09.2021 01:10 williamsjako

Marissa is an extremely curious sixth grader. During a snow day she looked out her window and saw a truck spreading something all over the road. After the truck went past Marissa's house, she had a snack, put on her snow boots, hat, coat, and gloves and went outside to play. She walked over to the edge of her driveway and observed salt all over the roadway, but not the sidewalks or her driveway. She also observed some of the snow and ice had melted off the roadway but not her driveway or sidewalks. She wondered if the ice and snow melting was due to the salt? What is a possible testable question (in correct format) that Marissa might ask for in this scenario?

IV:

DV:

Hypothesis:


Marissa is an extremely curious sixth grader. During a snow day she looked out her window and saw a

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 22.06.2019 10:30
Earth's axis of rotation is tilted at an angle of 23.5 degrees. what is one change you would see on earth if its axis was not tilted?
Answers: 3
question
Chemistry, 22.06.2019 10:50
8) a mixture of he, ne and ar has a pressure of 7.85 atm. if the ne has a mole fraction of 0.47 and 8) ar has a mole fraction of 0.23, what is the pressure of he? a) 4.2 atm b) 3.7 atm c) 5.5 atm d) 2.4 atm e) 1.8 atm
Answers: 1
question
Chemistry, 22.06.2019 16:30
Which metals are called noble metals
Answers: 2
question
Chemistry, 22.06.2019 18:50
Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.
Answers: 1
You know the right answer?
Marissa is an extremely curious sixth grader. During a snow day she looked out her window and saw a...
Questions
question
Mathematics, 10.05.2021 22:10
Questions on the website: 13722362