STEPS
VARIABLES
Drawing Conclusions
Miscellaneous
100
This stage of the scientific method includes taking out books from the library, going online and speaking to experts.
Conducting research/collecting information.
100
Identify and define the three types of variables in an experiment.
Independent Variable: what the scientist can control (changes)
Dependent Variable: what the scientist is measuring
Control: the part of the experiment that stays the same
100
Based on the graph below, what plays the largest role in helping mold grow on bread?
Based on the graph, sugar water on bread results in the highest percentage of mold growth.
100
What step of the scientific method is this?
“If I use place the basil in direct sunlight, then it will grow higher, because basil needs a lot of sun.”
Hypothesis
200
What you think based on observations and prior knowledge (is also testable and measurable). This is also an educated guess.
Hypothesis
200
Create a hypothesis based on the scenario:
A scientist conducted an experiment to test the affect of Miracle Grow on plant heights. In Pot A, he put in the Miracle Grow. In Pot B, he did not. In both pots, he used the same amount of water, sunlight, and soil. Each day for two months, the scientist measured the height of each flower to see which grew taller.
Possible Answer:
If the amount of fertilizer is tested, then the plant given the most Miracle Grow will grow the tallest.
200
Below is a bar graph Jasmine created after conducting an experiment about paper airplanes. Based on the graph, what did Jasmine forget to include?
She forgot to provide the graph with a title.
10 extra points: She also forgot to label her units! (look back)
200
List the six steps of the scientific method, in order.
1. State the problem
2. Conduct Research
3. Form a Hypothesis
4. Design and run the Experiment
5. Analyze the data
6. Draw Conclusions
300
The ___________ describes the steps you follow during an experiment.
A short statement of whether or not your results support your hypothesis is called a(n) ______________ .
Procedure
Conclusion
300
Identify the control, dependent and independent variable in following experiment:
A scientist conducted an experiment to test the effects of Miracle Grow on plant heights. In Pot A, he put in the Miracle Grow. In Pot B, he did not. In both pots, he used the same amount of water, sunlight, and soil. Each day for two months, the scientist measured the height of each flower to see which grew taller.
Control: soil, water, sunlight
Dependent Variable: height of plant
Independent Variable: amount of miracle grow
300
A fifth grade student conducted an experiment to test the amount of water absorbed by different brands of paper rolls. After 24 hours, what was the difference between the heaviest and lightest brand of paper?
Heaviest- Cottonelle 0.57 ounces
Lightest- Angel Soft - 0.10 ounces
________________
0. 47 ounces
300
Describe the importance, or value, of following the scientific method when conducting an experiment.
Answers will vary.
400
What is the purpose of an experiment?
To test a hypothesis
400
Identify the control, dependent and independent variable in following experiment:
Students of different ages were given the same puzzle to put together. They were times to see how long it took to finish each puzzle.
Independent Variable: ages of the students
Dependent Variable: time it took to put the puzzle together
Control: the same puzzle
400
Based on the graph, between what three hours is there the greatest change in temperature? What might be affecting this drop in temperature?
Between 2 and 5 pm there is a drop from 60 degrees to 40 degrees, a 20 degree drop in temperature. The drop in temperature may be due to the sun setting during this time.
400
Two students, Veronica and Jennifer did the same experiment. Veronica observed everything carefully but did not write anything down. Jennifer recorded her observations in a notebook. At the end of the experiment, each student drew a conclusion. Which student is more likely to have a correct conclusion?
Jennifer is likely to have a correct conclusion because it is based on data from the experiment.
500
True or False:
Scientists repeat an experiment many times.
True!
500
Identify the control, dependent and independent variable in following experiment:
An investigation was done with an electromagnetic system made from a battery and wire wrapped around a nail. Different sizes of nails were used. The number of paper clips the electromagnet could pick up was measured.
Dependent Variable: number of paper clips picked up
Independent Variable: size of nails
Control: battery and wire
500
With your group, create a bar graph to display the following data:
Student graphs will vary.
Must include:
Title
Label both axis'.
Include units
Evenly spaced bars!
500
Why is it important to display results from an experiment in a chart, or graph?
It is important to display data because it will show patterns in the data.