Nine Weeks Test 1

Question 1

The use of one or more of the senses, to gather info

Answer 1

Observation

Question 2

The information gathered from observation

Answer 2

Data

Question 3

A logical interpretation based on prior knowledge or experience

Answer 3

Inference

Question 4

A proposed scientific explanation for a set of observations

Answer 4

Hypothesis

Question 5

The study of the natural world

Answer 5

Science

Question 6

The idea that life could arise from nothing

Answer 6

Spontaneous generation

Question 7

When only one variable is changed at a time

Answer 7

Controlled experiment

Question 8

The variable that is deliberately changed

Answer 8

Manipulated variable

Question 9

The variable that responds to the variable being manipulated

Answer 9

Responding variable

Question 10

A well supported hypothesis

Answer 10

Theory

Question 11

The study of life

Answer 11

Biology

Question 12

A collection of living matter enclosed by a barrier that separates the cell from its surroundings

Answer 12

Cell

Question 13

Two cells from different parents unite to produce the first cell of the new organism

Answer 13

Sexual reproduction

Question 14

The process of which a single parent reproduces by itself

Answer 14

Asexual reproduction

Question 15

The combinations through which an organism builds up or breaks down materials as it carries out its life process

Answer 15

Metabolism

Question 16

A signal to which an organism responds

Answer 16

Stimulus

Question 17

When an organism maintains its stable internal condition

Answer 17

Homeostasis

Question 18

The ability of a group of organisms to change over time is invaluable for survival in a world that is always changing

Answer 18

Evolution

Question 19

A decimal system of measurements whose units are based on certain physical standards and are scale don multiples of 10

Answer 19

Metric system