Experiments
Inference
Observation
Variables
100
Homer notices that his shower is covered in a strange green slime. His friend Barney tells him that coconut juice will get rid of the green slime. Homer decides to check this out by spraying half of the shower with coconut juice. He sprays the other half of the shower with water. After 3 days of "treatment" there is no change in the appearance of the green slime on either side of the shower.
What is 1 observation?
Homer sees green slime
100
True or False: If False correct the underlined word.
I feel that the table is cold and smooth is an inference
False, observation
100
What is it called when you use 1 or more of your senses to gather information?
Observations
100
Which of the following is the reason we only change 1 variable at a time?
A: You need to ensure the test will not be able to be replicated by scientists
B: In order to guarantee the hypothesis will become true during the experiment
C: So the results can be directly connected to the changed independent variable
C: So the results can be directly connected to the changed independent variable
200
Homer notices that his shower is covered in a strange green slime. His friend Barney tells him that coconut juice will get rid of the green slime. Homer decides to check this out by spraying half of the shower with coconut juice. He sprays the other half of the shower with water. After 3 days of "treatment" there is no change in the appearance of the green slime on either side of the shower.
Make an inference?
Kang and Kodos were in the bathroom and left green slime behind
200
True or False: If False correct the underlined word.
The group is discussing the hazards of not following directions in a science experiment is an observation.
False, inference
200
What are observations that deal with numbers or measurements called?
Quantitative Observations
200
Which type of variable do you keep the same in a lab?
Control or Constant Variable
300
Homer notices that his shower is covered in a strange green slime. His friend Barney tells him that coconut juice will get rid of the green slime. Homer decides to check this out by spraying half of the shower with coconut juice. He sprays the other half of the shower with water. After 3 days of "treatment" there is no change in the appearance of the green slime on either side of the shower.
What are 1 control variable?
1. Length of time
2. Shower being sprayed
3. Type of slime
4. Time of day
300
Make an inference based on the following information:
I see smoke rising above the trees. I hear a siren in the distance. I smell wood burning.
There is a fire in the forest.
300
What are observations that deal with descriptions and cannot be expressed as numbers?
Qualitative Observations
300
Which type of variable do you change or "manipulated" in an experiment?
Independent Variable
400
Homer notices that his shower is covered in a strange green slime. His friend Barney tells him that coconut juice will get rid of the green slime. Homer decides to check this out by spraying half of the shower with coconut juice. He sprays the other half of the shower with water. After 3 days of "treatment" there is no change in the appearance of the green slime on either side of the shower.
What is the dependent variable?
The amount of green slime
400
Make an inference over this picture. DO NOT MAKE A PRECTICTION ABOUT THE FUTURE!!!
Example: Taz and Buggs are having a fishing competition
Taz is mad at Buggs for saying he is a better fisher
Taz and Buggs are fishing in California
400
What kind of observation is this?
The cheetah can run up to 80 miles per hour.
Quantitative
400
Which type of variable do you measure or is the "responding" variable in an experiment?
Dependent Variable
500
Homer notices that his shower is covered in a strange green slime. His friend Barney tells him that coconut juice will get rid of the green slime. Homer decides to check this out by spraying half of the shower with coconut juice. He sprays the other half of the shower with water. After 3 days of "treatment" there is no change in the appearance of the green slime on either side of the shower.
What is the independent variable?
Cleaning product (water or coconut juice)
500
What is an inference?
A statement made based upon your observations and prior experiences
or an
Educated guess
500
What kind of observation is this:
The Cheetah has soft, fluffy fur.
Qualitative
500
What is the difference between the independent variable, dependent variable and control variables?
Independent = what you change
Dependent = what you measure
Control = stays the same