Shared Flashcard Set

Details

SCIENCE CONNECTIONS
REVIEW- PLATE TECTONICS, CELLS, AND STUFF
53
Science
9th Grade
12/10/2007

Additional Science Flashcards

 


 

Cards

Term

Scientific

Method

Definition

1. observe                6. report observations

2. question

3. hypothesize

4. test hypothesis

5. draw conlusion

Term
Hypothesis
Definition

An if, then statement

Term

 

 Units

Definition

Kilometer- km: 1000 meters

decimeter- dm: 1/10 meter

centimeter- cm: 1/100

millimeter- mm: 1/1000

micrometer- um: 1/1000000

nanometer- nm: 1/1000000000 

Term

 

 

 

What is the basic unit of all matter?

Definition

 

 

 

 

Atom

Term

 

 

 

What are the parts of a molecule?

Definition

Protons, electrons, and neutrons

Term

 

 

 

Positive or Negative

Definition

protons- +

neutron- neutral

electron-(-)

Term

 

 

What is neutral?

Definition

 

 

 

neutrons carry no charge

Term

 

 

 

What is the nucleus?

Definition

 

 

 

center of the atom were protons neutrons and electrons are.

Term

 

 

 

What is matter?

Definition

 

 

 

anythng that has mass and takes up space.

Term

 

 

 

What is the law of conservation of matter?

Definition

 

 

matter cannot be destroyed,a fundamental principle of classical physics that matter cannot be created or destroyed in an isolated system

 

 

Term

 

 

 What are the different states of matter?

 

Definition

 

 

liquid, solid, gas

Term

 

 

Is vapor a solid????

Definition

 

 

 

no, it is a gas

Term

 

 

 

What is the density of water?

Definition

 

 

 

1 g/ml

Term

 

 

 

What is the equation used to calculate density?

Definition

 

 

 

Density=mass/volume

Term

 

 

 

What are the units used the density equation?

Definition

 

 

mass= g

volume=ml or cm3

density= g/ml or g/cm3

 

Term

 

 

 

Element

Definition

 

Chemistry. one of a class of substances that cannot be separated into simpler substances by chemical means. 

 

 

Term

 

 

 

Compound

Definition

Chemistry. a pure substance composed of two or more elements whose composition is constant.

 

 

Term

 

 

 

law of conservation of mass(matter)

Definition

 

 

 

a fundamental principle of classical physics that matter cannot be created or destroyed in an isolated system

Term

 

 

 

What is the subscript in a chemical formula???

Definition
*
Term

 

 

 

what is percent error in experimental method??

Definition

 

 

it tells about the accuracy of the expiremental method.

Term

 

 

Pangaea

Definition

 

 

the hypothetical landmass that existed when all continents were joined, from about 300 to 200 million years ago.

Term

 

 

 

What is a renewable resource?

Definition

 

 

 

something that can be renewed

Term

 

 

 

Is water a renewable resource? 

Definition

 

 

 

no, because it can't be renewed

Term

 

 

 

What is the water cycle?

Definition

 

 

evaporation/transporation

condensation

percipitation

run off

biotic

Term

 

 

 

Rock Cycle

Definition

 

 

magma

ingneus

metamorphic

sedimentary

 

Term

 

 

male part of the plant

Definition

 

 

stamen- anther, filament

Term

 

 

woman part of the flower

Definition

 

 

 

pistil- stigma, style, ovary

Term

 

 

What is decorated on the flower?

Definition

 

 

Pretty Petal

Term

 

 

 

Flower

Definition

 

reproductive structure of a plant

Term

 

 

 

 Pollen

Definition

 

sperm cell, produced by the anther

Term

 

 

 

Ovule

Definition
egg cells contained in the ovary of a flower
Term

 

 

 

Pollination

Definition
pollen moved from one flower to another for the purposes of fertalization.
Term

 

 

Fertilization

Definition
pollen(sperm) meeting ovule(egg)
Term

 

 

Characteristics of Plants

Definition
  • believed to be evolved from algae
  • eukaryotic
  • cellulose in there cell wall
  • autotrophic
  • multicellular
  • develop from multicellular embryos
  • undergo photosythesis
Term

 

 

Evolution of Plants

Definition

 

 

evolution was driven by the development of adaptations to life on land

Term

 

 

 

 

Xylem

Definition
  • moves water and minerals to a plant. moves it up
  • cells are tracheids and vessels

 

Term

 

 

Phloem

Definition
  • moves food or neutriance to a plant. moves up and down
  • cells are companion cells and sieve tube elements
Term

 

 

What traits to all living things share?

Definition
  • composed of cells
  • uses energy
  • capable of reproducing
  • responds to stimuli
  • grows and developes
  • similar chemical composition-C,O,H,N,P
  • genetic info contained in D.N.A
  • capable of evolving
Term

 

 

Living things need...

Definition
  • living space
  • water
  • food
  • stable internal conditions
Term

 

 

 

What makes something living??

Definition

cells

energy

reproduce

respond to stimuli

grows and developes

chemical composition

DNA

evolution

Term

 

 

 

Cells

Definition
smallest unit of life
Term

 

 

energy

Definition
uses energy
Term

 

 

chemical composition

Definition
oxygen, hydrogen, carbon, nitrogen
Term

 

 

Cell

Definition
basic untit of life
Term

 

 

 

Prokaryote

Definition
  • lacks membrane bound nucleus and other cell organelles
  • only bacteria
Term

 

 

 

Eukaryote

Definition
  • has membrane bound nucleus and cell organelles
Term

 

 

 

3 domains all living things fall under:

Definition
  1. domains archae: prokaryotes, extreme environ
  2. domain bacteria: prokaryotes, everywhere
  3. domain eukarya: eukaryotes
Term

 

 

Species

Definition
group of organisms can interbreading
Term

 

 

Pseudoscience

Definition

"Fake science"

Term

 

 

ecosystem

Definition
all the living and non living in an environment
Term

 

 

Ecological Succession

Definition
transitions in species composition over ecological time
Term

 

 

Biogeochemical cycles

Definition
  • living organisms require many different substances
  • materials from one organism to another and from one part of the biosphere to another
  • earths mechanism for recycling materials
  • law of conservaton of matter
  • states of matter- solid, liquid, gas
Supporting users have an ad free experience!