Scientific Investigation

Question 1

falsifiable

Answer 1

if a single observation can negate it and prove it wrong

Question 2

Level of Treatment

Answer 2

– the appropriate value for the independent treatment (experimental groups)
- range of values of the independent variable that will be studied

Question 3

Prediction

Answer 3

• are descriptions of the expected results from a particular experimental design if the hypothesis holds true.
• If… (the hypothesis) is supported, then … (the
  results of the experiment will be)…….”
  ex: If bright light allows plants to grow faster, then the shoots of those plants that are exposed to brighter light will appear faster.

Question 4

independent variable

Answer 4

variable experimental conditions (e.g. time, temperature, concentration, volume, age)
- bean beetle: conc. of sun flower oil

Question 5

dependent variable

Answer 5

– what is being measured or observed in the experiment in response to experimental conditions
- been Beatle: number of eggs laid

Question 6

bar graphs

Answer 6

used for data that represent
separate or discontinuous groups or non-numerical categories, thus emphasizing the discrete differences between the groups

Question 7

line graphs

Answer 7

show changes in the quantity of the chosen variable and emphasize the rise and fall of the values over their range. Line graphs are used to present continuous quantitative data