Unit 1 List 2 Experimental Design

Question 1

Claim

Answer 1

a statement saying that something happened a certain way or will happen a certain way

Question 2

Constant

Answer 2

something invariable or unchanging

Question 3

Evidence

Answer 3

anything that can be used to prove something

Question 4

Experimental bias

Answer 4

the unintentional influence of the experimenter’s expectations, beliefs, or preconceived notions on the outcome of a study or research experiment

Question 5

Experimental control

Answer 5

a scientific test done under controlled conditions, meaning that just one (or a few) factors are changed at a time, while all others are kept constant

Question 6

Experimental procedure

Answer 6

the manner in which an experiment is carried out

Question 7

Hypothesis

Answer 7

an idea or explanation that you then test through study and experimentation

Question 8

Manipulated variable

Answer 8

If a scientist is testing the amount of water on plant growth, the amount of water would be the manipulated variable

Question 9

Qualitative data

Answer 9

If there were a group of people in a room, qualitative data could describe how they feel, what they look like, what clothes they are wearing, or the motivations of why they’re here

Question 10

Quantitative data

Answer 10

measures of values or counts and are expressed as numbers

Question 11

Reason

Answer 11

a statement or fact that explains why something is the way it is, why someone does, thinks, or says something, or why someone behaves a certain way

Question 12

Responding variable

Answer 12

the part of an experiment that a scientists measures and observes closely for a change or a response.

Question 13

Scientific method

Answer 13

the process of objectively establishing facts through testing and experimentation.

Question 14

Scientific model

Answer 14

a physical and/or mathematical and conceptual representation of a system of ideas, events or processes.

Question 15

Scientific question

Answer 15

one where an investigation can be designed and completed to find out the answer without having to do multiple, entirely different investigations to get there.

Question 16

Scientific theory

Answer 16

a well-substantiated explanation of some aspect of the natural world, based on a body of facts that have been repeatedly confirmed through observation and experiment.

Question 17

Trends in data

Answer 17

the general change in a variable with time.

Question 18

Valid experiment

Answer 18

a research method that accurately measures the effect of an independent variable on a dependent variable