Steps
Testable Questions
Hypotheses
Variables
Record & Interpret
100
What is the first step of the scientific method?
Step 1: Ask a testable question
100
Give 4 words good testable questions begin with
Do, Does, Can, or Will
100
What is a hypothesis?
A hypothesis is an educated guess.
100
What is an Independent Variable?
An Independent Variable is what I, the scientist, change.
100
When should a person use a bar graph to show results from an investigation?
Bar graphs are used when comparing two or more things.
200
What is the sixth step of the scientific method?
Step 6: Write a conclusion
200
Gretchen was wondering if Bounty paper towels absorb more water than other paper towels. Give a testable question for Gretchen to use in her investigation.
Will Bounty paper towels absorb more water than other paper towels? (May use, Do or Can)
200
A hypothesis must include 3 important words. What are they?
If...then...will...
200
What is a Dependent Variable?
A Dependent Variable is what we measure.
200
When should a person use a line graph to show results from an investigation?
A line graph is used to show change over time.
300
What is the third step of the scientific method?
Step 3: Plan the procedure and gather materials
300
Gage wants to know if Energizer batteries last longer than other brands of batteries. Give a testable question Gage could use in this investigation.
Do Energizer batteries last longer than other brands of batteries. (May use Will or Can)
300
Give a hypothesis for this question: Will using fertilizer affect how tall the plant grows?
If I fertilize the plant, then it will grow taller. OR If I fertilize the plant, then it will have no affect on the plant's growth. OR If i do not fertilize the plant, then it will not grow as tall.
300
What are Constant Variables?
Constant Variables are the things we keep the same in an investigation to make sure we have a fair test.
300
Which kind of graph should be used to display the results from this investigation: the growth of a plant over one month.
A line graph should be used because this investigation shows change over time.
400
What is the fifth step of the scientific method?
Step 5: Record and Interpret Data
400
Gracen wonders if using fertilizer will make her plant grow taller. Give a testable question Gracen could use in this investigation.
Will using fertilizer make the plant grow taller? (May use Does or Can)
400
Give a hypothesis for this question: Does where I store my bananas affect how long they stay fresh?
If I keep the bananas in a paper bag, then they will stay fresh longer. OR If if keep the bananas in the dark then they will stay fresh longer. )Answers may vary)
400
Give the Independent Variable and the Dependent Variable for this testable question: Will Bounty paper towels absorb more water than other paper towels?
Independent Variable: Brand of paper towel Dependent Variable: Amount of water absorbed
400
Which kind of graph should be used to show the results from this investigation: will Bounty paper towels absorb more water.
A bar graph should be used because Bounty paper towels are being compared to other brands.
500
What is the fourth step of the scientific method?
Step 4: Conduct an investigation to gather data
500
Saydi wonders if the temperature of the water makes the alka seltzer tablet dissolve faster. Give a testable question Saydi could use in her investigation.
Does the temperature of the water affect how fast the alka seltzer tablet dissolves? (May use Will or Can)
500
Give a hypothesis for this question: Does exercise affect a person's heart rate?
If a person exercises, then his heart rate will increase. OR If a person exercises, then his heart rate will decrease. OR If a person exercises, then it will have no affect on his heart rate.
500
Give the Independent, Dependent, and 3 Constant Variables for this question: Does giving a plant fertilizer affect how tall the plant grows?
Independent Variable: fertilizer or no fertilizer Dependent Variable: how tall the plant grows Constant Variables: same kind of plant, same kind of soil, same amount of water, same amount of sunlight
500
When writing a conclusion for your investigation, what three things should be included?
1. What you learned 2. Was your hypothesis supported? 3. Why do you think the investigation turned out the way it did?
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