Science: Vocabulary

Question 1

Structure

Answer 1

Organized parts that work together to help an organism survive

Question 2

External

Answer 2

On the outside

Question 3

Internal

Answer 3

On the inside

Question 4

Function

Answer 4

The job that structure does as part of an organism

Question 5

Ovary

Answer 5

The female reproductive part of a flower that produces eggs and a place for seeds to develop

Question 6

Stoma (stomata)

Answer 6

Tiny openings on a leaf that take in carbon dioxide from the air and release other gases from the plant

Question 7

Vascular System

Answer 7

A collection of small tubes that transports, or carries, materials up, down and through a plant

Question 8

Xylem and Phloem

Answer 8

Vascular structures in plants

Xylem moves water from roots to leaves

Phloem moves sugars from leaves to all parts of the plant

Question 9

Cuticle

Answer 9

A waxy outer covering on leaves

Question 10

Classify

Answer 10

To put something into a group of like things

Question 11

Pistil

Answer 11

Part of a flower that contains the female reproductive parts

Question 12

Stamen

Answer 12

The male part of a flower that makes pollen, the male reproductive cell

Question 13

Sepal

Answer 13

Protects a budding flower by wrapping around it

Question 14

Skeleton

Answer 14

A rigid support system that includes bones that connect the soft structures of the body

Question 15

Heart

Answer 15

An internal organ that pumps blood

Question 16

Lungs

Answer 16

An internal organ that provides oxygen to the blood and takes carbon dioxide from the blood

Question 17

Gills

Answer 17

Organs found in fish that extract oxygen from the water as water flows around the gills

Question 18

Brain

Answer 18

The structure that receives information about an animal’s environment

Question 19

Interpret

Answer 19

To figure out the meaning of something

Question 20

Exoskeleton

Answer 20

A hard external covering that is waterproof and protects the soft body underneath

Question 21

Characteristic

Answer 21

A quality, trait or character of something

Question 22

Stimulus

Answer 22

A nerve signal that is sent to the brain where the signal is interpreted

Question 23

Organ Sytem

Answer 23

A group of organs that work together to do a particular job

Question 24

Organ

Answer 24

Body parts that perform specific functions

Question 25

Tissue

Answer 25

A group of cells of the same kind that have a specific function

Question 26

Diaphram

Answer 26

The muscle located below the lungs that causes air to flow in and out of the lungs

Question 27

Skeletal Sytem

Answer 27

The system of 206 bones in the human body

Question 28

Muscles

Answer 28

Organs that contract, or shorten, or relax, or lengthen, to move bones

Question 29

Extend

Answer 29

To straighten out

Question 30

Skin

Answer 30

The largest organ in the human body that covers and protects the internal organs

Question 31

Sensory Organs

Answer 31

Organs that connect the outside world by gathering specific kinds of information

Question 32

Stimulus

Answer 32

An action or change that causes certain reactions

Question 33

Response

Answer 33

The body's reaction to a stimulus

Question 34

Extinct

Answer 34

The death of all organisms in a species

Question 35

Liver

Answer 35

An organ that breaks down fats

Question 36

Small intestine

Answer 36

The organ where most digestion occurs

Question 37

Large intestine

Answer 37

The organ that absorbs water

Question 38

Pancreas

Answer 38

The organ that adjusts sugar levels in the body

Question 39

Stomach

Answer 39

An organ that helps break down food before digestion

Question 40

Connect

Answer 40

To attach two parts together

Question 41

Kidneys

Answer 41

A pair of bean shaped organs that filter waste from the blood

Question 42

Bladder

Answer 42

A muscular sac that stores urine until it is released from the body

Question 43

Respiratory system

Answer 43

A system that exchanges oxygen and CO2 between the air and the body through the lungs

Question 44

Circulatory system

Answer 44

A system where blood, pumped by the heart, moves oxygen, sugar, water and waste around the body

Question 45

Skeletal system

Answer 45

Bones that support the body, protect the organs, and give muscles something to pull on

Question 46

Muscular system

Answer 46

Muscle pull on the bones and move the body around

Question 47

Nervous system

Answer 47

The brain interprets information from sensory organs and tells muscles and organs what to do

Question 48

Digestive system

Answer 48

Breaks down food and takes out the water and nutrients to put into the blood to send around the body

Question 49

Excretory system

Answer 49

The organ system that removes wastes from the body