2/28/11
Post date: Feb 28, 2011 1:55:54 AM
Bell Ringer: Why is it important to be aware of the decisions we make about our environment?
Turn in climate change assignment.
In the computer lab, open this site: http://www.chem4kids.com/files/matter_mixture.html
Read through the material, then click "Mixtures II" on the right side of the page, near the bottom of the list
Read through this material, then click the button at the bottom that says "take quiz on mixtures"
Answer each question on the quiz, and write a sentence on a paper to turn in which summarizes the question and answer (e.g. If the questions was "True or false: The Hawkeyes suck." You would write on your paper "The Hawkeyes suck" because it's true)
Open this link: http://www.chem4kids.com/files/matter_solution.html
Read through the material on solutions, then click the button at the bottom that says "take quiz on solutions"
Answer each question on the quiz, and write a sentence on a paper to turn in which summarizes the question and answer (e.g. If the questions was "True or false: The Hawkeyes suck." You would write on your paper "The Hawkeyes suck" because it's true)
Mixtures and Solutions assignment (due tomorrow)
Write down all answers to online quiz questions (for both quizzes)
Answer the following 2 questions on the same sheet:
Someone gives you a mixture of some type, and asks you whether it's a suspension, colloid, or solution. Describe what you could do with the mixture to figure out which it is.
You are given a mixture of water, iron filings (which is metallic dust), salt, and gravel. Describe how you could get each of these parts of the mixture separated from each other.