Variables
Scientific Method
Write a Hypothesis
Mystery #1
Mystery #2
100
What is the one variable that is changed in an experiment?
Independent Variable
100
What is the first step in the Scientific Method? Why is it necessary?
The first step of the Scientific Method is to ask a question (or state your purpose). It's important to know why you are performing the experiment!
100
Write a hypothesis for the following question: How does increasing the slope of a ramp affect how far a Hot Wheel would travel?
If I increase the slope of a ramp, then the Hot Wheel will travel farther.
100
Write a hypothesis for the question: Will toddlers grow taller if they drink more milk?
If a toddler drinks more milk, then he will grow taller.
100
What is a series of steps designed to help you solve problems and answer questions?
Scientific Method
200
What is the variable that we can measure in the experiment?
Dependent Variable
200
If/Then Statement
What is a hypothesis
200
Write a hypothesis for the following question: Which type of paper (cardstock, construction paper, notebook paper) makes a paper airplane that will fly the farthest?
If I make a paper airplane out of (pick a paper), then it will fly the farthest.
200
Write a hypothesis for the following question: What would happen if I mixed vinegar and baking soda?
If I added baking soda to vinegar, then it would cause an explosion.
200
What kind of mindset do we have when we say , "I can't figure this out."
What is a fixed mindset
300
Identify the Independent and Dependent Variable: If plants receive more light, then they will grow taller.
Independent variable: light Dependent variable: plant growth
300
Name 6 steps of the Scientific Method?
1. Purpose (ask a question) 2. Hypothesis 3. Research Observation 4. Experiment 5. Analyze Results 6. Conclusion
300
Will adding extra chocolate chips to my cookies make them taste better?
If I add extra chocolate chips to my cookies, then they will taste better.
300
What are we doing when we write a hypothesis? In other words, what is a hypothesis?
An educated guess or our prediction
300
Always wear long hair pulled back is an example of what?
A Lab Safety Rule
400
Identify the Independent and Dependent Variable: If I work hard in school, then I will have good grades.
Independent variable: work hard Dependent variable: grades
400
How many steps should you have when writing the procedure for making a Peanut Butter and Jelly Sandwich?
Trick Question, as many as it takes!
400
Write a hypothesis for the following question: How does increasing the amount of sleep a student gets affect their attention span in class?
If a student increases the amount of sleep they get, then they will have a better attention span in class.
400
Name the dependent variable in the question: How does the amount of food eaten before a race affect a runner's mile time?
Dependent Variable: the runner's mile time (how fast they run a mile)
400
Why is it important to have a controlled variable (constant) in an experiment?
So that we can compare our results.
500
Three of the same breed of dog (all Golden Retrievers) were given a bath. Each dog was bathed in a different brand of shampoo. The purpose was to see which brand of shampoo made the dog's coat the shiniest. What is the independent variable? Dependent Variable? Control?
Independent Variable: Different brands of shampoo Dependent Variable: How shiny the dog's coat is Control: Same breed of dog
500
One thing you should always include in your conclusion.
What is was my hypothesis supported or not?
500
Write a hypothesis for the following question: What is a good way to clean dirty pennies?
If you add salt and vinegar to pennies, then they will get clean.
500
What is one way to record and organize your results?
A table, a chart, a graph, pictures
500
A good scientific question is ________________ and ___________________.
testable and measurable
M
e
n
u