Is acid rain causing a decline of frog populations?
What is the dependent Variable?
Frog Population.
What are the two types of data?
Quantitative & Qualitative
Does tomato juice make hair grow faster?
What is the independent variable?
Tomato Juice
Which type of data deals with numbers?
Quantitative.
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 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?
Appearance/ Amount of green slime.
Which type of data deals with observations using your five senses?
Qualitative.
Making an inference about a future event based on current evidence or past experience.
Prediction
The step in the scientific method that requires you to explain the difference in variables.
What is the hypothesis?
A new drug for the treatment of asthma is tested on 100 people. The people are evenly divided into two groups. One group is given the drug and the other group is given a glucose pill. The group that is given the glucose pill serves as .
The Control Group
On which axis is the dependent variable plotted on a graph?
Y-axis
a logical explanation, or an interpretation based on observations
Inference
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 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?
Coconut Juice
Does the amount of sunlight affect plant growth?
On which axis would the amount if sunlight be plotted?
X-Axis ( Independent Variable)