Science2

Front 1

continent

Back 1

one of the Earth's seven largest landmasses

Front 2

convection

Back 2

the transfer of heat in a liguid or gas by the means of currents

Front 3

crust

Back 3

Earth's thin outermost solid layer

Front 4

cytoplasm

Back 4

a thick watery fluid that fills a cell

Front 5

data

Back 5

pieces of information

Front 6

data table

Back 6

a chart that shows information in rows and coulums

Front 7

day

Back 7

the amount of time it takes a planet to spin once on its axis

Front 8

decomposer

Back 8

an organism that gets energy by consuming and breaking down dead organisms and wastes

Front 9

density

Back 9

the mass of an object divided by its volume

Front 10

diagram

Back 10

a drawing that shows the parts of something

Front 11

earthquake

Back 11

the shaking of th3 ground that happens when rock breaks or moves suddenly along a fault

Front 12

ecosystem

Back 12

a community of living things and nonliving environment around them

Front 13

energy

Back 13

the ability to do work or cause change

Front 14

eruption

Back 14

the sudden releases of melted rock,ash,and gas from a volcano

Front 15

evaporation

Back 15

the procces by which a liquid changes to a gas at the liquid's surface

Front 16

experiment

Back 16

a controlled test performed to answer a scienctific question

Front 17

fault

Back 17

a large crack inside Earth's crust

Front 18

fault-block mountain

Back 18

a mountain that is formed when rock is pushed up between faults

Front 19

folded mountain

Back 19

a moutanain that is formed where pressure squeezes rock and pushes it up

Front 20

force

Back 20

a push or pull

Front 21

fossil

Back 21

the preserved remains or traces of a living thing

Front 22

freezing

Back 22

the procces by which a liquid changes to a solid

Front 23

friction

Back 23

a force that acts between surfaces that touch each other. Friction tends to slow the motion of an object

Front 24

gene

Back 24

a tiny piece of material in the nuclues of a cell that controls how a certain trait develops

Front 25

glucose

Back 25

a suger made by plants during photosynthesis

Front 26

gravity

Back 26

an attractive force that pulls objects toward each other. On Earth, gravity pulls objects toward the center of the planets

Front 27

heat

Back 27

the energy of the moving particles that make up all matter.Heat flows from a warmer material to a cooler material

Front 28

herbivore

Back 28

an organism that mainly eats plants

Front 29

heredity

Back 29

the procces of passing traits from parents of offspring

Front 30

host

Back 30

an organism that is harmed in a parasitic realtionship

Front 31

hypothesis

Back 31

a suggested explanation for an observation

Front 32

inherited traits

Back 32

a characteristics passed from parents to offspring before the offspring before the offspring are born

Front 33

inner planets

Back 33

the four planets closest to the sun - Mercury, Venus,Earth or Mars

Front 34

invent

Back 34

to think of something or make it for the very first time

Front 35

invetion

Back 35

something useful that is made for the first time

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Front 36

investagate

Back 36

to study something carefully to answer a question about it

Front 37

investagation

Back 37

a careful study of something in order to answer a scientific question

Front 38

kinectic energy

Back 38

the energy of motion

Front 39

landform

Back 39

a feature on Earth's surface , such as a mountain

Front 40

learned trait

Back 40

a skill gained by learning

Front 41

life cycle

Back 41

all the stages an organism goes through from from beginning of life to death

Front 42

line graph

Back 42

a graph that shows data as a line across a grid

Front 43

mass

Back 43

the amount of matter that makes up an object

Front 44

matter

Back 44

anything that has mass and takes up space

Front 45

melting

Back 45

the procces by which a solid changes to liquid

Front 46

microscope

Back 46

a scientific tool that makes tiny objects look much other

Front 47

mitochondria

Back 47

cell organelles that help provide cells with energy

Front 48

model

Back 48

something that stangs for for a real object system or event

Front 49

mutualism

Back 49

a realtionship in which both organism benefit

Front 50

nucleus

Back 50

the control center of a cell

Front 51

obersevation

Back 51

informationn gathered by using the your senses

Front 52

observe

Back 52

to gether information using your senses

Front 53

ocean basin

Back 53

the bowl-shaped lands under the ocean

Front 54

ocean current

Back 54

a stream of water that flows through an ocean

Front 55

omnivore

Back 55

a living thing that eats both plants and animal

Front 56

orbit

Back 56

the path that one body in space takes around another body

Front 57

organelle

Back 57

a structure inside a cell that does a certain job

Front 58

outer planets

Back 58

the four planets farthest from the sun

Front 59

palenontolist

Back 59

scienist who studies follils in order to learn about ancient organisms and environment

Front 60

parasite

Back 60

a organism that benifits from parasitsim at the expense of a host

Front 61

parasitism

Back 61

a ralationship in which one kind of organism benefits but the other is harmed

Front 62

photosythensis

Back 62

the process by which plants use sunlight to make thier own food

Front 63

phyiscal property

Back 63

a characteristic of a substance that you can observe without changing the substance into a different one

Front 64

planet

Back 64

a large round object that travels around a star

Front 65

plate

Back 65

one of the giant pieces of a rock that makes up the Earth's crust

Front 66

plate boundary

Back 66

a place where the edges of two of Earth's plates meet

Front 67

pollutant

Back 67

an unwanted sunstance that is added into the environment

Front 68

potential energy

Back 68

stored energy

Front 69

predator

Back 69

an animal that hunts and eats other animals for food

Front 70

predictation

Back 70

a guess about what is likely to happen or what seems true

Front 71

prey

Back 71

an animal that is hunted and and eaten by other animals as food

Front 72

producer

Back 72

a living thing that is able to make its own food

Front 73

radition

Back 73

the transfer of heat through space

Front 74

record

Back 74

to write down or make note of something and save it for future use

Front 75

revolve

Back 75

to move in fixed path around another object ,as Earth revolves around the sun

Front 76

rift valley

Back 76

a valley that is produced where land sinks between two faults

Front 77

rotate

Back 77

to spin on an axis

Front 78

star

Back 78

a huge ball of hot gases that gives off its own light

Front 79

state of matter

Back 79

one of the forms that matter takes such as solid iquid or gas

Front 80

symbiosis

Back 80

any relationship with two different kinds of organisms

Front 81

technolgy

Back 81

the use of science to solve problems and make people's lives easier

Front 82

telescope

Back 82

a tool that makes faraway objects look much closer

Front 83

texture

Back 83

the way a surface feels,such as rough or smooth

Front 84

trace fossil

Back 84

details perserved in rocks incudeing footprint burrows and nests

Front 85

trait

Back 85

a quality or characteristics of a living thing

Front 86

vacuole

Back 86

a membrane-covered sac that stores materials chemicals and waste inside a cell

Front 87

vertebrate

Back 87

an animal with a backbone

Front 88

volcano

Back 88

an opening in Earth's surface that lets melted rock ,ash ,and gases

Front 89

volume

Back 89

the amount of space an object takes up

Front 90

weather

Back 90

the condition of the air at a certain time and place

Front 91

x-axis

Back 91

the horizontal or bottom edge of a graph

Front 92

y-axis

Back 92

the vertical or side edge of a graph

Front 93

year

Back 93

the amount of time for a planet to go around the sun once