1. Warm-up: August 25th Please read the question and have your answer ready
Variables are an important part of science projects and experiments. What is a variable?
A variable is any factor that can be controlled, changed, or measured in an experiment. (ANYTHING that can effect the experiment)
Can you name the 3 types of variables?
independent variable
dependent variable
control variable

2. IV vs. DV
Independent Variable: The variable that is changed by the scientist; the ‘I control’ variable
Dependent Variable: The variable that might change because of what the scientist changes – what is being measured IV
If temperature increases,
then there will be more evaporation. DV

3. A ball was dropped at different heights. The bounce height was measured.IV DV

4. One tank of gold fish is fed the normal amount of food once a day
One tank of gold fish is fed the normal amount of food once a day. A second tank is fed twice a day. A third tank is fed four times a day during a six week study. The fish’s weight is recorded daily. IV DV

5. Let’s organize the information:IV
Constant DV
Amount of food (grams)
Type of fish (gold fish)
Fish’s weight (grams)
Type of food
Amount of water in tanks
Type of tank
Location of tank

6. Trouble logging in….HELP is HERE
We have modified the default password for students that have NOT logged into account for the last 7 days by setting their password to the following format: (if you have logged in your information is the same)
 Login for device: student\john.doe password JD or password JD
Firstname initial (caps) + Lastname initial (caps) + student id - so a student named John Doe with student ID would have a password of JD
Moodle login: would be john.doe password JD
Their Google login would be password JD
New students you will log in using the above format.
STILL HAVING TROUBLE? Reset your password using the link below:

7. Investigating IV/DV with SpongeBob
Get out your device
Go to
Click “Sign up with Google”
Enter your NISD and password
Enter our class code: AJQM474
Assignment code: CFNW634

8. Class Period
Code 1
VQVT964 3
CQVQ636 4
AXRA724 5
VXYU736 6
HHUN379 7
WPQC744 8
AJQM474