Crit. B
Presentation
•
Biology
•
9th Grade
•
Easy
Céline Sailly
Used 1+ times
FREE Resource
11 Slides • 9 Questions
1
Get ready for crit. B
Variables & Method
2
Review on variables
3
4
5
Multiple Choice
6
Multiple Choice
7
Multiple Choice
What's the dependent variable?
8
Multiple Choice
9
Multiple Choice
10
Controlled variables
. Controlled variables are the variables that remain constant (=can not change) during the experiment.
They must be relevant:
they have to be chosen because it is obvious that they can have an impact on the dependent variable.
For each control variable, it will be clearly explain how and why they can impact the measurement of the dependent variable.
11
Multiple Choice
These are variables that are kept the same throughout all experimental groups to prevent error in the experiment.
Independent Variable
Dependent Variable
Controlled Variable
Varying Variable
12
Hypothesis
13
Multiple Choice
A students was doing an experiment using the scientific method. Every three days the student plans to count the green leaves. Which would be a good hypothesis for this experiment?
If plants are placed in direct sunlight, then they will grow more green leaves.
If plants are places in bright light, then they will grow more green leaves than in dim light.
If plants are place in clay pots, then they will grow more green leaves than plastic pots.
If plants are in warmer temperatures, then they will grow more green leaves.
14
Method
15
16
Open Ended
What is a good method?
17
Tips for writing a method
Include 5 changes of the IV
Logical
Include 3 trials
Include necessary steps to check on your CV
ALWAYS start with a verb
Number the steps
18
Ask for the exercises
Work on the methods, try to find out what is wrong and improve them!
19
Can you do it?
20
Reorder
Reorder the following steps of a method to make it logical.
This method describe how to enter a class when your late.
Knock on the door.
Wait to be invited in.
Say hello and give a reason for being a late.
Go to your seat.
Start working.
Get ready for crit. B
Variables & Method
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