Scientific Method Steps
What is the first step of the scientific method?
Observation
Which engineering design process step is not in the scientific method
improve
If a student studies more, then they will get a better grade.
What is the control group?
Not studying
If I add fertilizer to my garden, then my plants will grow faster.
What is the independent variable
fertilizer
What is a scientific inquiry?
The many ways in which scientists study the natural world
Janis has written her hypothesis what should she do next?
Experiment
What do you need to do before creating a prototype?
Design/ draw sketch
Two plants will be tested with different levels of water.
Name a constant.
Sunlight
Soil
Plant Type
Time frame
If I brush my teeth every day, then I will not develop cavities.
Dependent Variable?
Cavities
The drawing of a building says the height is 10in. The scale for the drawing is 1in=9m. How tall is the actual building?
90m
Anthony has done his experiment and analyzed his results what should be his next step?
Conclusion
What is a criteria?
Something the prototype must meet to be successful.
If I drink an energy drink before practice, then I will perform better.
Name the control group.
No energy drink
If 50 mL of water are added to my plants each day and they grow, then adding 100 mL of water each day will make them grow even more.
Independent Variable?
water
Which drawing has a front, side, and top view?
Orthographic Drawing
Which the scientific method steps is where you identify your independent and dependent variables?
Hypothesis
What is a constraint?
A limitation of the project
100 dogs are being tested to see if a new food will increase their energy.
Name a constant
Number of dogs
time frame
amount of food
Motorists who talk on the phone while driving will be more likely to make errors on a driving course than those who do not talk on the phone.
Dependent Variable?
Errors while driving
Why is a procedure important?
So other scientists can repeat your experiment.
List the 8 steps in order
Observation
Question
Research
Hypothesis
Experiment
Analyze
Conclusion
Report
Elizabeth has created a prototype that meets all of her criteria and constrains. What should she do next?
If I eat more vegetables, then I will lose weight faster.
What is the control group.
No vegetables
Adults will perform better on a memory task than children.
Independent Variable?
Age
Looking at the Pugh Chart which alternative do you think will work the best?