Science 7

Front 1

Mitosis

Back 1

Process by which an earyotic cell separates its nucleus into two

Front 2

DNA

Back 2

Hereditary material in humans and almost all other organisma

Front 3

Fermentation

Back 3

Conversion of sugar to carbon dioxide

Front 4

Lactic acid fermentation

Back 4

Sugar is converted to cell energy

Front 5

Alcoholic fermentation

Back 5

Done by yeast and bacteria

Front 6

Chlorophyll

Back 6

Green pigment which absorbs sunlight and uses its energy

Front 7

Replication

Back 7

Copies of DNA of all living organisms

Front 8

Chromatids

Back 8

One of two copies of DNA making a duplicate chromosome

Front 9

The cell cycle

Back 9

Cell division and duplication

Front 10

Organic compounds

Back 10

Chemical compounds of living things

Front 11

Organic compounds

Back 11

Chemical compounds of living things

Front 12

Diffusion

Back 12

Movement of molecules

Front 13

Osmosis

Back 13

Movement of a molecule through a membrane

Front 14

Passive transport

Back 14

Movement through a membrane that does not require energy and work

Front 15

Active transport

Back 15

Movement of a substance across a cell membrane

Front 16

Enzymes

Back 16

Molecules that increase chemical reactions

Front 17

Starches

Back 17

Carbohydrates that quickly turn to sugar

Front 18

Element

Back 18

A pure chemical substance made of one type of atom

Front 19

Compound

Back 19

Combinations of elements

Front 20

Hypothesis

Back 20

A scientific explanation

Front 21

Scientific method

Back 21

A way to ask and answer questions: ask, research, make hypothesis, test hypothesis, analyze date and draw conclusions, communicate results

Front 22

Technology

Back 22

Making, changing, and usi g tools

Front 23

Quantitative observations

Back 23

A numerical measurement of value such as volume or weight.

Front 24

Prediction

Back 24

A forecast or educated guess

Front 25

Classification

Back 25

A scientific way to group organisms

Front 26

Making models

Back 26

A visual way to u der stand something

Front 27

Beam balance

Back 27

Used to measure mass

Front 28

Photosynthesis

Back 28

Way plants and other organisms convert the light energy from the sun to chemical energy

Front 29

Stomata

Back 29

A microscopic pore on the surface of land plants

Front 30

Gram

Back 30

Metric measure of mass

Front 31

Liter

Back 31

Metric unit of volume

Front 32

Meter

Back 32

Unit of length; 39.37 inches

Front 33

Autotroph

Back 33

Self-feeding organism that produces organic compounds

Front 34

Heterotroph

Back 34

Organism that cannot fix carbon and use organic carbon for growth

Front 35

Homeostasis

Back 35

Ability of a cell to maintain internal balance

Front 36

Taxonomy

Back 36

System of arranging groups of organisms

Front 37

Cell membrane function

Back 37

Surrounds and protects the I side of the cell

Front 38

Nucleus function

Back 38

The brain of the cell; at the ce ter of an atom

Front 39

Mitochondria function

Back 39

The cell's power structure which converts energy to forms the cell can use

Front 40

Ribosomes function

Back 40

The protein builders of the cell

Front 41

Cell wall function

Back 41

Tough layer that surrounds some cells, located outside the cell membrane; provides support and protection

Front 42

Chromatin

Back 42

Combination of DNA and proteins that make up the contents of a cell; main job is to package DNA

Front 43

Label a cell

Back 43

See notes