Module 5
The scientist who conducted experiments involving mass of a tree.
Who is van Helmont?
The technology used in the discovery of the structure of DNA.
What is X-ray diffraction?
The behaviour of study subjects changes due to their awareness of being observed.
What is the Hawthorne effect?
When a majority of the population protect a minority who cannot be vaccinated.
What is herd immunity?
The gas used by Joseph Priestly to gather data.
What is oxygen?
The dependent variable in an experiment that tests the pH of different brands of soap.
What is pH?
The structural feature of DNA that was revealed by the work of Franklin, Watson and Crick.
What is the double-stranded helix?
Iridology, numerology and astrology are all examples of this
What is pseudoscience?
Stopping a medical trial due to negative side effects is an example of this type of practice.
What is ethical?
This needs to be checked when assessing the validity of a claim that states a product is endorsed by 80% of experts in the filed.
What is sample size?
Type of error when the results of measurements lack accuracy but are consistent.
What is systematic error?
This phenomenon prevents buildings from moving during an earthquake, causing them to collapse.
What is inertia?
This is used in a medical trial to ensure no bias is demonstrated by researchers.
What is a placebo?
Before a company begins research to develop a genetically modified plant that resists damage caused by herbicides, they would need to submit an application to this committee.
What is an ethics review committee?
The time taken for half the atoms in a radioactive sample to decay?
What is half-life?
The change of frequency of a wave in relation to an observer.
What is the Doppler Effect?
As pressure is increased, volume decreases.
What is Boyle's law?
When the researcher and the participants are unaware of their allocated groups in a trial.
What is a double-blind trial?
Artificial heart valve, multichannel cochlear implant, dialysis machine, pacemaker, insulin pump, MRI.
What are examples of medical-surgical devices?
There are 2 in each of the following numbers:
1.7 x 102
0.046
51
How many significant figures?
The integrity of an investigation. Factors include: controlled variables, accurate technologies and reliable data collection.
What is validity?
A computer simulation of the Earth's crust which can be used to simulate the geological history of the earth.
What is Gplates?
The misrepresentation of basic facts that are well-supported by scientific consensus on a subject, in favour of a group or organisation.
What is a conflict of interest?
The body that regulates the safety of genetically modified foods.
What is Food Standards Australia and New Zealand (FSANZ)?
Identifying new bioactives and pharmaceutical compounds.
What is bioprospecting?