Scientific Skills

Question 1

what is scientific method? and state steps

Answer 1

specific way of conducting an investigation to provide empirical information

1. observation+ question= hypothesis
2. aim
3. design investigation/ experiment
4. run investigation
5. analyse results

Question 2

what is hypothesis. 3 points

Answer 2

Likely answer to a question of an observation. It includes variables, cause and effect an is testable.

Question 3

Difference between valid, reliable, accurate and fair?

Answer 3

valid- experiment set up so that results are due to variable being tested and not something else

Reliable- same results when repeated+ bigger sample

Accurate- handled with care and mathematically accurate

Fair- only independent variable differs the control and experiment

Question 4

3 Different variables?

Answer 4

independent- factor manipulated
dependent- changes that independent variables cause (measurable)
fixed- Factors that are kept constant

Question 5

Table Dep on which side and InDep on?

Answer 5

indep left

dep right

Question 6

method for pie chart

Answer 6

variable/ total x 100

degrees: percent/100 x 360 degrees