ch 1

Question 1

hypothesis and prediction

Question 2

A hypothesis is a proposed explanation for an observation.

Question 3

A hypothesis must be testable & falsifiable.

Question 4

A prediction is the outcome you expect to observe.

Question 5

It is written as ‘if ….. Then…..’

Question 6

variables

Question 7

A variable is any factor or condition that can be changed in an experiment.

Question 8

Cows Change

Question 9

Moo Measure

Question 10

Softly Same

Question 11

I Independent

Question 12

Don’t Dependent

Question 13

Care Control

Question 14

Qualitative data and Quantitative data ?

Question 16

Qualitative data

Question 17

Data that we observe with our senses e.g.

Answer 17

colour changes

Question 19

Quantitative data

Question 20

Data that involve measurement & are always numerical values.

Question 21

Quantitative data can be analysed statistically & based on no’s/data.primary data and secondary data ?

Question 22

Primary data: results/data that are generated when you carry out an experiment

Answer 22

investigation

Question 24

Secondary data: data collected by someone other than the experimenter.