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June 2024 Finals - 4th Grade > Science: Vocabulary > Flashcards

Science: Vocabulary Flashcards

1
Q

Structure

A

Organized parts that work together to help an organism survive

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2
Q

External

A

On the outside

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3
Q

Internal

A

On the inside

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4
Q

Function

A

The job that structure does as part of an organism

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5
Q

Ovary

A

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

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6
Q

Stoma (stomata)

A

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

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7
Q

Vascular System

A

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

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8
Q

Xylem and Phloem

A

Vascular structures in plants

Xylem moves water from roots to leaves

Phloem moves sugars from leaves to all parts of the plant

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9
Q

Cuticle

A

A waxy outer covering on leaves

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10
Q

Classify

A

To put something into a group of like things

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11
Q

Pistil

A

Part of a flower that contains the female reproductive parts

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12
Q

Stamen

A

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

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13
Q

Sepal

A

Protects a budding flower by wrapping around it

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14
Q

Skeleton

A

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

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15
Q

Heart

A

An internal organ that pumps blood

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16
Q

Lungs

A

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

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17
Q

Gills

A

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

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18
Q

Brain

A

The structure that receives information about an animal’s environment

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19
Q

Interpret

A

To figure out the meaning of something

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20
Q

Exoskeleton

A

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

21
Q

Characteristic

A

A quality, trait or character of something

22
Q

Stimulus

A

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

23
Q

Organ Sytem

A

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

24
Q

Organ

A

Body parts that perform specific functions

25
Q

Tissue

A

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

26
Q

Diaphram

A

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

27
Q

Skeletal Sytem

A

The system of 206 bones in the human body

28
Q

Muscles

A

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

29
Q

Extend

A

To straighten out

30
Q

Skin

A

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

31
Q

Sensory Organs

A

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

32
Q

Stimulus

A

An action or change that causes certain reactions

33
Q

Response

A

The body’s reaction to a stimulus

34
Q

Extinct

A

The death of all organisms in a species

35
Q

Liver

A

An organ that breaks down fats

36
Q

Small intestine

A

The organ where most digestion occurs

37
Q

Large intestine

A

The organ that absorbs water

38
Q

Pancreas

A

The organ that adjusts sugar levels in the body

39
Q

Stomach

A

An organ that helps break down food before digestion

40
Q

Connect

A

To attach two parts together

41
Q

Kidneys

A

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

42
Q

Bladder

A

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

43
Q

Respiratory system

A

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

44
Q

Circulatory system

A

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

45
Q

Skeletal system

A

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

46
Q

Muscular system

A

Muscle pull on the bones and move the body around

47
Q

Nervous system

A

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

48
Q

Digestive system

A

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

49
Q

Excretory system

A

The organ system that removes wastes from the body

June 2024 Finals - 4th Grade (10 decks)

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