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G5 Realize Glossary

acceleration a change in an object’s direction or speed
air pressure the downward force of air that affects weather
apparent how something looks
aquifer large supplies of underground water
asteroid chunks of rocks in space
atom a particle that is the smallest and most basic part of an element
atomic theory the idea that everything is made of small particles
balanced when two equal forces acting on an object cancel out each other’s effect on the object
bladder an organ that stores urine in the body
brain an organ that can recognize senses and causes the rest of the body to react
characteristic a trait that can help identify something
chemical change the process where one or more kinds of matter changes into one or more different kinds of matter
chemical reaction a change where one or more substances are turned into one or more different substances, usually caused by heat or mixing new substance
circulation (air) air moving heat in a circular motion
circulation (water) a swirling movement that moves ocean water around the globe
classify to sort objects or living things into groups based on shared traits
climate the average weather patterns of a place found by studying years of weather
comet chunks of rock and ice that orbit the sun
compound a matter made of two or more elements, such as water, oxygen, and salt
compute to find or calculate
conclude to make a statement with data and facts
condensation the process where a gas cools and becomes a liquid
conductor a material that energy can easily flow through
connect to attach or put together
conservation of matter the scientific law that matter cannot be made or destroyed, only transferred and changed
contact force a push or pull that moves or changes an object when two objects touch
convection current a circular motion created when air rises and sinks because of heating and cooling
cuticle a waxy outer coating on leaves that helps a plant store water
cycle a series of events that repeats itself
deduce to form an idea based on evidence
determine to control or cause something
diaphragm a muscle below the lungs that helps lungs take air in and push it out
differentiate to identify the differences between two or more objects
distribution how something is spread out
electric charge a force caused by the movement of negative and positive particles
electric current a flow of particles caused by negative and positive charges
elevation the height above sea level
energy the ability to do work or cause a change
establish to show an idea
evaporation the process where a substance warms and changes from a liquid into a gas
evident describes something easily observed that can be used to confirm or deny an idea
excretory system the organs that remove waste from the human body.
exoskeleton a hard covering on invertebrates used to maintain their shape and protect their organs
extend to stretch
external something that is on the outside of an organism or object
extinct the death of all organisms in a species
force a push or pull that can act on or change an object
formula a math problem that shows a scientific fact
friction an opposing force caused by two objects touching each other
function the main action that something is made to do
galaxy a massive group of stars, gas, and dust in space
gas a form of matter that does not have a definite shape or volume
gills the organ in fish and young amphibians that takes in oxygen from water
glacier snow and ice gathered in one area over many years
gravity a force that pulls masses toward large objects, such as the Earth and the sun
hail precipitation formed when rain is repeatedly blown back up into the cloud and freezes in layers
heart an organ that moves blood to and from different areas of the body
humidity the amount of water vapor in the air
hypothesize to form a scientific idea that is often tested in an experiment
illustrate to explain with an example
impact to directly affect something
inertia an object’s ability to oppose a change in motion
inner planets the four rocky planets closest to the sun: Mercury, Venus, Earth, Mars.
insulator a material that stops the flow of electricity
internal something that is on the inside of an organism or object
interpret to explain an idea
kidneys two organs that filter waste
kinetic energy the energy of motion
large intestine the organ that takes in water from food and helps get rid of waste
latitude parallel lines on a map or globe that shows how far away from the equator a place is
liquid matter with a definite volume but no definite shape
liver an organ that breaks down fats and helps with digestion
lungs an organ that takes in and releases air
mass the amount of matter an object has
milky way the galaxy that our solar system is in
mixture a substance where different materials are put together but each keeps its own properties
molecule the smallest particle of a compound that is made out of atoms
moon a large, round piece of rock that revolves around a planet
muscle a tissue that helps make a body move
natural disaster a destructive change that is not caused by people
non-contact force a force that does not need to touch an object to affect it, such as gravity
orbit the circular movement of an object, such as a planet or moon, around an object that can hold it in place with gravity, such as a sun or large planet
organ parts of a body that make a body live and move
organ system a group of organs that work together to take care of a specific need of the body
organize to arrange something to make it easier to understand
outer planet the four large planets farthest from the sun that are made of ice and gases: Jupiter, Saturn, Uranus, Neptune.
ovary the part of the flower that holds the eggs needed for a flower to make seeds
pancreas the organ that manages sugar in the body
parallel circuit a path for an electric current that has multiple loops
pattern an observable event that happens in the same way again and again
physical change a change in traits—such as color, size, and shape— that does not change what the substance is made of
pistil the part of a flower that receives pollen to make a seed
potential energy stored energy
precipitation water in the atmosphere that falls to earth as rain, sleet, snow, or hail
primary the original or most important part
reservoir a place to store water made by humans
respond to react to a change or action
salinity the amount of salt in water
sensory organ an organ that collects information about the body’s surroundings, such as eyes, ears, nose, skin, and tongue
sepal green, leaf-like structures that protect a flower before it blooms
series circuit a path for electric energy made out of a single loop
severe weather dangerous weather, such as tornadoes and hurricanes
skeletal system the bones in the human body that interact to move, protect the body, and give it shape
skeleton an inner support in vertebrates made of bones
skin the organ that surrounds and protects the body
sleet raindrops that freeze before they land
small intestine the organ where most of digestion occurs
solar system the planets, asteroids, and comets that orbit the sun, as well as the planets’ moons
solid matter with a definite shape and volume that is made of vibrating particles
solution a mixture where the substances are evenly spread out
sound energy energy that can be heard
stamen the part of the flower that makes pollen
star a giant ball of hot, glowing gases
stimulus an action or change that causes a certain reaction in an animal
stomach the organ that breaks down food for the body to use
strategy a plan
structure an arrangement of particles for a specific purpose
supports to back up a theory with evidence or data
temperature the measure of how hot or cold something is
tides a pattern of rising and falling movement in the ocean caused by gravity
tissue cells that make up an organ
trace a small amount
vascular system tube-like parts of a plant that transport water and sugar around the plant
volume the amount of space an object takes up
water cycle the pattern of water moving on earth from the ocean, to the sky, to rain, to a river, and back to the ocean
weather the condition in a place's atmosphere, such as sunny, rainy, or snowy.
Created by: Mr OBerc
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