1. Reminders! Lab fees are $10; pay at the bookstore on the first floor, then bring me the receipt. If you are on fee waiver, please ask for a receipt at the bookstore and bring it to me. THIS GOES ON YOUR GRADE! You will need a 70 page spiral notebook every day! You will be turning them in for a grade Disclosure statements (signed) are due! Quiz on microscope parts!

2. Bell Work Week 3 9/09 Please be sure to WRITE OUT THE QUESTION AND YOUR ANSWER. You will be turning these in at the end of the week and they will go on your grade. Question: An engineer has created a new engine for race cars. It is necessary to know which fuel mixture will allow the engine to run at its peak performance. Which experimental design is best for this investigation? A) Use one fuel mixture on the engine and measure its performance B) Use one fuel mixture on many types of engines and measure their performance C) Use various fuel mixtures on the engine and measure its performance D) Use various fuel mixtures on many types of engines and measure their performance

3. Objectives Content Objective (what will you learn today?): Students will: – Understand how a microscope works – Know and understand steps of the scientific method Language Objective (HOW will I learn the content objective?): Students will: – Pass their quiz on the microscope because they are smart and good and studied hard! – Design an experiment to hatch brine shrimp

4. Review How much is your lab fee and when is it due? What are the steps of the scientific method? What is the difference between an independent and dependent variable?