Science test

Question 1

An idea, structure or system that can be used to represent something you are trying to explain

Answer 1

Model

Question 2

Control Group

Answer 2

standard for comparison

Question 3

Physical Science

Answer 3

the study of matter and energy

Question 4

Problem

Answer 4

A situation in which something is missing

Question 5

Hypothesis

Answer 5

A testable prediction

Question 6

Variable

Answer 6

Factor that can be changed

Question 7

dependent variable

Answer 7

depends on the independent variable

Question 8

independent variable

Answer 8

adjusted by the scientist

Question 9

Constant

Answer 9

Factor that doesn’t change

Question 10

Technology

Answer 10

the application of science knowledge to practical problems

Question 11

Theory

Answer 11

An explanation based on many observations/hypothesis tested many times

Question 12

Observation

Answer 12

Gathering the info through the senses

Question 13

Controlled experiment

Answer 13

One variable is changed

Question 14

Scientific law

Answer 14

A role or principle that describes a pattern in nature- Theory tested many times

Question 15

Inference

Answer 15

logical interpretation based upon prior knowledge, experiences, and observations

Question 16

Matter

Answer 16

anything that has mass and volume

Question 17

Energy

Answer 17

the ability to bring about change

Question 18

Graph

Answer 18

a visual display of data

Question 19

Pure Science

Answer 19

gathering of new info, relationships, or fact

Question 20

Chemistry

Answer 20

composition of matter

Question 21

ex of matter

Answer 21

rocks, people, food, cats, etc.

Question 22

ex of energy

Answer 22

lightning, heat, sound, etc.

Question 23

1-7 controlled experiment steps

Answer 23

the problem, research, hypothesis, experiment, observations, analysis results, conclusion

Question 24

golden ratio

Answer 24

1.618