doing research

The scientific method
  • Start? Research question
  • Guess about the awnser of this question
  • Hypothesis
  • Run experiments to test it!

1 / 14
next
Slide 1: Slide

This lesson contains 14 slides, with text slides and 2 videos.

Items in this lesson

The scientific method
  • Start? Research question
  • Guess about the awnser of this question
  • Hypothesis
  • Run experiments to test it!

Slide 1 - Slide

This item has no instructions

Steps in scientific research
1. The problem definition
2. The hypothesis
3. The materials
4. The experiment
5. The results
6. The conclusion

Slide 2 - Slide

This item has no instructions

Research question
  • Research usually starts with a question: the research question
  • Goal of the research is to answer the question
  • What do all questions have?

Slide 3 - Slide

They end with a question mark!
 Hypothesis

Hypothesis: What do you expect the answer to your research question will be?

"If .... (fertilizer is added to cress plants)  then... (the plants will grow two times faster) "


Slide 4 - Slide

This item has no instructions

Hypothesis
Expected answer to the research question
Often seen formats:
-Cause and effect: If....., then...
- Correlation: ....has a positive effect on...
- Differences: comparing two or more groups

Slide 5 - Slide

This item has no instructions

2. Make a workplan
How can I get the answer to my research question?
- By viewing or counting something
- By doing an experiment (lab-activity)

Think about....
Method
List of supplies


Slide 6 - Slide

This item has no instructions

Method
Different types of research:
Describing : collect data by observing
Experimental : testing hypothesis with experiment
- Control group


Slide 7 - Slide

This item has no instructions

 Experiment
  1. Determine variable to be experimentally changed
  2. Design multiple groups:
    - Vary the variable between the groups
    - Try to include control group (eliminate variable)
    - Keep all other variables constant
  3. Explain what will be measured, when, and how

Slide 8 - Slide

This item has no instructions

Results and conclusion
  • Displaying results in tables and graphs
  • Drawing conclusion from results
  • Comparing conclusion with hypothesis and analyse differences: hypothesis accepted or rejected
  • Conclusion = the answer to the research question

Slide 9 - Slide

This item has no instructions

How to make a graph? A few basic rules

  1. Give your graph a title.
  2. Check your data to make sure it is correctly placed into your table.
  3. Choose your axis - independent (x-axis) vs. dependent variable (y-axis)  ex. person (x-axis), time (y-axis)
  4. Label your axis. Always start at zero!
  5. Include your units.

Slide 10 - Slide

This item has no instructions

Discussion
What went well?
Do you trust your results?
What went wrong?
What could be improved?
What will you do differently next time?

Slide 11 - Slide

This item has no instructions

Slide 12 - Video

This item has no instructions

Slide 13 - Video

This item has no instructions

Research question
It is an open question.
You'll answer the question by doing the research.
You only vary one independent variable
You name the  dependent variable.

Slide 14 - Slide

This item has no instructions