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Question 1

Hypothesis

Answer 1

The proposed scientific explanation

Question 2

Theory

Answer 2

Ideas that have been supported over time

Question 3

Dependent Variable

Answer 3

The variable that is observed and may or may not be changed depending on the response to the variable

Question 4

Independent Variable

Answer 4

The changed variable in an experiment

Question 5

Control Group

Answer 5

OG, Compared to other group

Question 6

Experimental Group

Answer 6

A group of subjects under study.

Question 7

Cell

Answer 7

Smallest unit of LIFE

Question 8

Stimulus

Answer 8

Any physical or chemical input sensed

Question 9

Homeostasis

Answer 9

keeping internal body conditions fairly constant to survive

Question 10

Evolution

Answer 10

Any kind of change in any organism over time

Question 11

Atom

Answer 11

Basic unit of matter

Question 12

proton

Answer 12

positive charged particle found in a nucleus of an atom.

Question 13

Neutron

Answer 13

neutral charged particle found in the nucleus

Question 14

electron

Answer 14

negatively charged particle found outside the nu

Question 15

Element

Answer 15

pure substance

Question 16

molecule

Answer 16

group of atoms bonded together

Question 17

isotopes

Answer 17

atoms of the same element with different number of neutrons.

Question 18

chemical bonding

Answer 18

an attraction between two or more atoms resulting in formation of different chemical substances

Question 19

chemical reaction

Answer 19

changes in chemical substances involving bond breaking and/or bond forming resulting in different chemical substances.

Question 20

ion

Answer 20

positive or negative charged atom

Question 21

ionic bond

Answer 21

formed when one or more electrons are transferred from one atom to another

Question 22

covalent bond

Answer 22

forms when electrons are shared between atoms

Question 23

valance electrons

Answer 23

the electrons on the outer shell of the atom

Question 24

pH

Answer 24

​the measure of acidity or alkalinity of a solution.

Question 25

acid

Answer 25

​a substance that dissolves in water to release a hydrogen ion. (H+)

Question 26

base

Answer 26

​a substance that dissolves in water to release a hydroxide ion. (OH­)

Question 27

Deoxyribonucleic Acid​ (DNA)

Answer 27

the nucleic acid that contains all genetic

information for a cell.

Question 28

double helix

Answer 28

​The shape of DNA that resembles a spiral staircase or a twisted

ladder.

Question 29

Nucleic Acid ­

Answer 29

​The ​building block of living organisms that passes genetic

information from one generation to the next. (e.g. DNA)

Question 30

Nucleotide​

Answer 30

a monomer of nucleic acid; consisting of a sugar, phosphate, and a

nitrogen base. (e.g. A,T,G,C)