Karteikarten
1.3 Conducting Investigations
Karten in diesem Stapel (17)
- 11.3 - Conducting investigationsBy Jannat Abbas (◕‿◕✿)
- 2What do you do before conducting an experiment?1. Research background info
2. Check if other people have already investigated this topic
3. Determine the question & hypothesis
4. Identify the 3 variables
5. Recognise potential safety hazards - 3Before writing a detailed description of the experiment, you need to answer some questions. What are they?- How will the independent variable be changed?
- How will the dependent be measured?
- How will the others be controlled?
- 4What is a fair test?An experiment where only 1 variable is tested at a time.
This makes sure that the results can be used to either support the hypothesis or not
- 5What are the 2 groups in a fair test?- Experimental group
- Control group
- 6What is a reliable experiment?If it gives the same result every time it's performed
- 7Reliability in an experiment can increase through repeat trials and replication. What are repeat trials?It means repeating the experiment again and again to see if it reproduces the same results
- 8What is replication?It means conducting many forms of the SAME experiment at the same time, called replicates
- 9How do you conduct a scientific experiment correctly?The procedure must be reliable, and with enough detail so other scientists can use it as well. Also include a diagram of how the experiment was set up.
- 10What is data?The values collected for the dependent variable during an experiment
- 11What is to be done when taking a measurement?- Check the measuring tools (does it read 0 correctly?)
- Put your eyes at a 90°C angle to the scale
- Check your measurement (is it correct?)
- Check that your numbers are written in a consistent format - 12What is the word for "free of personal bias"?Objective
- 13What is the opposite of an objective?A subjective
- 14What are the 2 types of data? Describe them:Qualitative: mostly uses words to describe.
Quantitative: mostly uses numbers to describe. - 15What is continuous data?Unlimited number of values in a measurement (e.g. temp. that might occur throughout the day)
- 16What is discrete/discontinuous data?Limited number of values in a measurement (e.g. days in a week - 7)
- 17Thanks for watching ｡◕‿◕｡
