Vocab

Question 0

Theory

Answer 0

Ideas that have been supported over time.

Question 1

Hypothesis

Answer 1

The proposed scientific explanation for a set of observations. Usually written in If… Then format.

Question 2

Dependent variable

Answer 2

Observed factor that may change in response to the other variable. (Outcome)

Question 3

Independent variable

Answer 3

The factor that is purposely changed in an experiment.

Question 4

Controlled experiment

Answer 4

Is a test in which only one variable is changed while the other variables remain the same.

Question 5

Cell

Answer 5

The smallest unit of an organism that can be considered to be alive.

Question 6

Homeostasis

Answer 6

The process by which organisms keep their internal body conditions fairly constant to survive.

Question 7

Evolution

Answer 7

A change in a kind or organism over time.

Question 8

Atom

Answer 8

The basic unit of matter.

Question 9

Nucleus

Answer 9

The center of an atom.

Question 10

Proton

Answer 10

The positively charged particle found in the nucleus of an atom.

Question 11

Neutron

Answer 11

The particle with no charge found in the nucleus of an atom.

Question 12

Electron

Answer 12

The negatively charged particle found outside the nucleus of an atom

Question 13

Element

Answer 13

A pure substance that consists entirely of one type of atom.

Question 14

Isotopes

Answer 14

Atoms of the same element with different numbers of neutrons.

Question 15

Macromolecules

Answer 15

The process by which large compounds are built by joining smaller ones together.

Question 16

Ion

Answer 16

Positively or negatively charged atom.

Question 17

Ionic bond

Answer 17

Formed when one or more electrons are transferred from one atom to another.

Question 18

Covalent bond

Answer 18

Forms when electrons are shared between atoms.

Question 19

Nucleotide

Answer 19

A monomer of nucleic acid.

Question 20

Deoxyribonucleic acid

Answer 20

The nucleic acid that contains all genetic information for a cell

Question 21

Glucose

Answer 21

A monomer of carbohydrates (sugar)

Question 22

Amino acid

Answer 22

The monomer of protein

Question 23

Solute

Answer 23

The substance that is that is dissolved in a solution

Question 24

Ecology

Answer 24

The scientific study of interactions among organism and between organisms and their environment.

Question 25

Biosphere

Answer 25

Is a portion of the in which all life exists

Question 26

Species

Answer 26

A group of an organism so similar to one another that they can breed and produce fertile offspring

Question 27

Population

Answer 27

A group of individuals that belong to the same to the same species and live in the same area

Question 28

Community

Answer 28

Two or more different populations that live in a defined area

Question 29

Solvent

Answer 29

The substance in which the solute dissolves in a solution