Launch Please find your seats and answer the following questions. If you have an issue with your seat, ask me AFTER class I want to test whether or not the amount of time you practice skateboarding makes you better at doing tricks 1. Form a hypothesis 2. What is the independent variable? 3. What is the dependent variable?
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Transcript
Launch
Please find your seats and answer the following questions. If you have an issue with your seat, ask me AFTER class
I want to test whether or not the amount of time you practice skateboarding makes you better at doing tricks
1. Form a hypothesis2. What is the independent variable?3. What is the dependent variable?
Enzymes and pH
Enzyme Video
http://www.youtube.com/watch?v=V4OPO6JQLOE
Remember
Chemical Reactions change substances into new substances.
Activation Energy: the amount of energy needed to start a chemical reaction
Enzymes depend on…
TemperatureIonic ConditionspH
pH
pH is a measure of the acidity or basicity of a solution
Measured on a pH scale
A pH of…..
0-6 is considered acidic6-8 is considered neutral8-14 is considered basic
RAFT
RAFT: DUE Friday
You are an enzyme You are writing to a substrate The format is a letter Include all information in #1-6 (and correct
information)
RAFT: DUE Friday
1. Brainstorm for your letter2. Write, write, write!3. Then, make it look nice! Include a picture