***food, sign out time Bellwork, 9/7 At the top of this bellwork, write Tuesday 9/6 1.Do you think your brine shrimp hatched? 2.Do you think more hatched.

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Presentation transcript:

***food, sign out time Bellwork, 9/7 At the top of this bellwork, write Tuesday 9/6 1.Do you think your brine shrimp hatched? 2.Do you think more hatched in the control or test beaker? 3.What is the independent variable in your experiment? 4.Why do you think I am showing the picture on the right? Does this sort of thing actually happen in real life?

Bellwork format You can make up bellwork during tutorial for full credit! Multiple bellworks on one page At the top right of your page write: –First name –Last Name –Period Please put day of the week and date in the left margin. Draw a line to separate bellworks I will stamp the right side Staple all pages together! Notice: paper scraps removed from edge, this makes Mr. Horton happy :) Wednesday 1. 9/ _________________________________________________________ First & Last Name Period

Pass back all the things! Including progress reports

Brine shrimp lab went well! Make sure your label has the following  Initials of you and your group members  Test or Control  Your Period When you use soap, you only need a tiny drop! Some people added quite a lot of their test variable

Data table

Lab Rules Sign the clipboard with which lab station you are at No food, gum, beverages other than water Stay at your lab station until we return to this classroom Clean your lab station and return all equipment Please do not sit on counters, you might sit in acid or poison! Lose points for messy lab station

Stay at your lab stations until we return to Let all eggs settle to the bottom. Start with Control Beaker, suck up 2 droppers full of saltwater & shrimp. Squirt into dish. Count all hatched or hatching shrimp. Record in Data Table. Empty dish in trash. Continue to count a total of 3 dishes for the Control. Record and AVERAGE the 3 numbers. Use same procedure for Test Beaker, count 3 dishes and AVERAGE the 3 numbers. Record all counts and average in Data Table. Be consistent in the way you count! You are the scientist! Clean Up: Rinse out eyedropper & dish, put on paper towel. Leave station neat, as you found it. Points will be deducted for messy lab statiosn

Brine shrimp Lab Report Make a sketch of: Brine shrimp egg Brine shrimp that has hatched Brine shrimp that is in the process of hatching (if you can find one!)

What are they? Macro = big Molecule = more than one atom bonded together Macromolecules!

Macromolecules Are essential to life Are chains of small building blocks 4 types: –Carbohydrates –Fats –Proteins –Nucleic Acids (DNA and RNA)

On the white board 1) Tell me everything you know about carbohydrates 2) Draw what a carbohydrate molecule looks like 3) What types of foods have carbohydrates?

Macromolecules! qJ6FE