5Th Grade Science Staar Terms

Front 1

abiotic

Back 1

things in an ecosystem that are non-living

Front 2

absorb

Back 2

to soak up, like a sponge

Front 3

adaptation

Back 3

a characteristic that helps an organism survive in its enviorment

Front 4

air pressure

Back 4

the weight orf all the air particals in a region

Front 5

amphibian

Back 5

a cold blooded vertebrate that lays eggs, has three stages of life, and can live on land or in water

Front 6

angiosperm

Back 6

a plant in which the ovary of the flower forms fruit around the seeds

Front 7

atmosphere

Back 7

the layer of gases surrounding the Earth that helps support life

Front 8

atom

Back 8

an extreamly small particle which is the basic building block of matter

Front 9

axis

Back 9

the imaginary line that goes through the Earth's center and connects the North and South Poles;the Earth rotates on its axis

Front 10

bar graph

Back 10

a picture used to compare data that can be put into seperate groups

Front 11

behavior

Back 11

any reastion of an animal to internal or external changes

Front 12

biotic

Back 12

things in an ecosstem that are living

Front 13

bird

Back 13

a warm blooded feathered animal

Front 14

boiling point

Back 14

the termperature at which a liquid canges to a gas by adding heat energy

Front 15

carbon dioxide

Back 15

a gas found in the air that plants use to make food

Front 16

carnivore

Back 16

an animal that eats only meat

Front 17

cell

Back 17

the smallest struture in a living thing; the basic unit of life.

Front 18

cell membrance

Back 18

structure that surrounds a cell and controls what comes in and out of the cell

Front 19

chamical change

Back 19

a change in matter that forms a new substrance with different properties from the orginal substance

Front 20

chemical energy

Back 20

the energy that objects have becasue of the way their atms are bonded together

Front 21

chlorophyll

Back 21

a chemical in plnt leaves that absorbs energy fromt he Sun

Front 22

chloroplast

Back 22

tiny structures in plant cells where the plant converts the Sun's energy into chemical engery

Front 23

circle graph

Back 23

a diagram that shows how much of a whle a certain part represents; aslo called a pie chart

Front 24

circulartory system

Back 24

the organ system that uese blood to carry food, water, and oxygen to parts of the body

Front 25

clay

Back 25

very fine grains of mineral; individual particles are invisible to the naked eye

Front 26

cold-blooded

Back 26

unable to produce heat to maintain a constant body temperature

Front 27

community

Back 27

all of the differnt species that live in the same area

Front 28

compete

Back 28

when two living things or groups of living things try to get the same type of food, water, or shelter

Front 29

conclusion

Back 29

a decision based on investigation and evidence

Front 30

condensation

Back 30

the process of a gas becoming a liquid when the gas is cooled

Front 31

condense

Back 31

to change from a gaseous state to a liquid state

Front 32

conduction

Back 32

the transwer of thermal energy throu direct touching

Front 33

conservation

Back 33

the protection and preservation of natural resources

Front 34

consumer

Back 34

a living thing that gets it energyby eating other living things

Front 35

cost-benefit analysis

Back 35

tools for measuring how a new technology will affect people and the enviorment

Front 36

crescent

Back 36

the moon when it is between half-visable and not visable

Front 37

data

Back 37

information that describes things, events, or porcesses

Front 38

decomposers

Back 38

a living organism that breaks down dead organisms into smaller parts that can be reused by other living organisms

Front 39

delta

Back 39

a fan-shaped landmass at the mouth of a rive made from built-up sediment

Front 40

density

Back 40

the amound of mass in a given volume

Front 41

deposition

Back 41

a process in which sediment lands somewhere and settles

Front 42

digestive system

Back 42

the body system that breaks down food particles into engery that the body can use

Front 43

dune

Back 43

a hill of sand created by the wind

Front 44

earthquake

Back 44

a shaking of the Earlth's crust caused by a sudden plate movement

Front 45

ecosystem

Back 45

a system of living things and the enviroment in which they exist

Front 46

efficient

Back 46

turing most of one type of energy into another type

Front 47

electricity

Back 47

the energy of moving changes in atoms

Front 48

engineer

Back 48

a person whi identifies a problem in people's lives and designs a solution to a problem

Front 49

erosion

Back 49

the process in which small particles of soil and rock are carried away by glaciers, water, and wind

Front 50

evaporation

Back 50

the process of changing from a liquid to a gas

Front 51

experiment

Back 51

a carefully planned activity done to help answer a question, test an idea, or support an opinion

Front 52

fair test

Back 52

a way to explore how jist one varibale might or might not affect a second varibale; sometimes just called an experiment

Front 53

fish

Back 53

a cold-blooded, aquatic, scaly animal

Front 54

food chain

Back 54

a diagram that shows how food energy moves among organisms

Front 55

food web

Back 55

a network of food chains that represents the balance in an ecosystem

Front 56

force

Back 56

a push or pull that causes something to change its speed or direction

Front 57

fossil fuel

Back 57

an engery source formed from the remains of once-living organisms;coal, oil, and natrual gas

Front 58

freeze

Back 58

to change from liquid state to a solid state

Front 59

friction

Back 59

a contact force that slows the motion of moving objects

Front 60

galaxy

Back 60

a system of millions of stats held together by gravity, our solar system is located in the Milky Way galaxy

Front 61

gibbous

Back 61

the moon when more thatn half of it is visable but is not yet a full mon

Front 62

glacier

Back 62

a gigantic formation of ice that does not met over the course of a year

Front 63

gravity

Back 63

a noncontact force that pulls two objects toward eachover;gravity pulls all objects towards the center of the Earth

Front 64

gymnosperm

Back 64

a plant with no fruit

Front 65

habitat

Back 65

the environment that an organism requires to live

Front 66

heat energy

Back 66

engery that involves the movement of all particiles; temperature is a measure of heat energy

Front 67

herbivore

Back 67

an animal tht eats only plants

Front 68

heredity

Back 68

the passing on of traits from parents to young

Front 69

high-pressure system

Back 69

a wether pattern in which ari sinks to the Earth, warms up, and absorbs water vapor, often casuing sunny skies

Front 70

humus

Back 70

decomosed materail form living things that is a component of soil

Front 71

hypotheise

Back 71

a resaonable guess or possble explaination that can be tested through observation or experiment

Front 72

inertia

Back 72

the tendecy of an object to keep doing what it is doing ( moving or staying aat rest)

Front 73

inherited trait

Back 73

a characteristic passed form a parent to offstrong through reporduction

Front 74

instinct

Back 74

behavior that animals are born with