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85 Cards in this Set

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  • Back
An electrolyte that increases the concentration hydrogen in a substance.
Acid
The force of the weight of air on everything else on earth.
Air Pressure
A tiny particle made of protons, neutrons, and electrons.
Atom
Joint that makes a swinging, rotating movement,like your wrist.
Ball-And-Socket Joint
an electrolyte that increases the concentration of hydroxide in a substance
Base
Trees that have leaves of all different shapes and sizes.
broad leaves
Coloring that lets animals blend in to their serroundings.
Camouflage
Soft bone that makes up your nose,ears and pads between backbones
Cartilage
controls the rate of a chemical reaction
Catalyst
Green material in plants used to make food
Chlorophyll
The tread-like parts of cells that hold genes
Chromosomes
A path along which electricity travels
Circuit
the system made up of the heart,arteries,veins, and capillaries
Circulatory System
water droplets collected on tiny specks of dust or salt particles in the air
Clouds
a machine made of two or more simple machines
Compound Machine
a summary of the procedure and results of an exeperiment
Conclusion
movement of heated material from one place to another, transferring energy
Conduction
a substance that carries electricity, such as metal
conductor
treeswith needle like leaves
conifers
animals that cannot make their own food and have to get it from other plants or animals
consumer
movement of heated material from one place to another, transfering energy
convection
system of measurement used in the U.S., including feet, gallons, and pounds
conventional system
measures how much mass fills a given amount of space
density
removing salt and other minerals from ocean water
desalination
a plant that has bundles of food tubes throughtout the stem
dicot
system that breaks down food collecting nutrients and getting rid of wastes
digestive system
a group of plants and animals interacting and living in the same community
ecosystem
animals that are in danger of becoming extinct
endangered
the system that develops and releases hormones into the blood
endocrine system
the ability to do work
energy
process of moving surface soil with wind, water, ice, or gravity
erosion
animals that are gone forever
exticnt
a joint that doesnt move
fixed joint
group of plants and animals that feed off one another
food chain
a series of interconnected food chains
food web
the push or pull that one object exerts on another
force
the force that keeps some things from moving or slows them down when they do move
friction
parts of the cell that determine characteristic living things inherit from their parents
genes
system used to divide earths history into meaningful parts
geologic time scale
several bones next to one another bend together in limited gliding motion
gliding joint
a force that draws objects toward itself
gravity
a long, heavy sleep that lasts all winter for some animals
hibernation
joint that moves in only one direction like a door hinge
hinge joint
amount of moisture in the air
humidity
all the water that exists on earth
hydrosphere
rocks that come from the magma of volcanic eruptions
igneous rock
a substance that does not carry electricity, such as rubber
insulator
the system made up of hair, skin, and nails
integumentary system
animals that do not have a backbone
invertebrates
features of the landscape, such as mountains, plains, plateaus, and deltas
landforms
when the Sun, Earth, and Moon are ing a direct line and the Moon moves into the Earth's shadow
lunar eclipse
the push and pull force of a magnet
magnetism
substance inside bones
marrow
anything that occupies space and has mass
matter
rocks that are formed from other kinds of rocks through pressure and heat under the earth
metamorphic rocks
system of measurement used around the world, including grams, liters, and meters
metric system
solid substances found in nature
minerals
classifies a mineral's hardness useing a simple scratch test
Mohs Hardness Scale
a plant that has bundles of food tubes arranged in a ring around the edge of the stem
monocot
the system of muscles that allow the body to move and hold the body together
muscular system
the system made up of the brain and spinal cord that send informatons throught the body
nervous system
objects at rest stay at rest and objects in motion stay in motion: acceleration of an object depends on its mass and the size and direction of the force
Newton's Laws of Motion
process of plants getting energy from sunlight
photosynthesis
a joint that makes a rotating motion
pivot joint
what you think will happen in an experiment, based on what you know about the relationship of the things you are testing
prediction
steps done in an experiment
procedure
plants that use photosynthesis to make their own food
producers
the feeling of blood pumped through the veins by the heart
pulse
reason of doing an experiment; what you want to learn from the experiment
purpose
a special type of wave that delivers heat and light, transferring energy
radiation
the system that allows living things to creat new life
reproductive system
the system made up of the lungs that takes in oxygen and pushes out carbon dioxide
respiratory system
outcome of each procedure in an experiment
results
rocks that are formed from hardened layers of sediment eroded off older rocks
sedimentary rocks
somthing that changes the direction of the force or the amount of force requires to move an object
simple machine
the system of bones in a body
skeletal system
a mixture of rock, and decaying vegetable and animal matter
soil
when the new Moon is between the Earth and The sun blocking the view of the Sun
solar eclipse
system made up of the Sun and the ten and their moons that orbit it
solar system
the form matter takes, either solid, liquid, or gas
state of matter
plates that move beneath the earths surface, causing earthquakes, eruptions, and continental movement
tectonic plates
the heat or coolness of the air around us
temperature
a seismic sea wave caused by tectonic plate movement
tsunami
system made up of the kidneys and bladder that rids the body of waste
urinary system
process of water moving from one place to another in the hydrosphere
water cycle