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Study sets matching "science grade 8 chapter 11"

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Study sets matching "science grade 8 chapter 11"

12 terms
MESMS grade 8 Science Chapter 11
pressure
pascal
fluid
barometer
decreases as the area over which a force is distributed incre…
a unit of pressure equal to one newton per square meter
a material that can easily flow
an instrument that measures atmospheric pressure
pressure
decreases as the area over which a force is distributed incre…
pascal
a unit of pressure equal to one newton per square meter
9 terms
NPMS Ortiz Science Grade 8 Chapter 11
periodic
periodic law
period
group
describes something that occurs or repeats at regular intervals
the law that states that the repeating chemical and physical…
in chemistry, a horizontal row of elements in the periodic ta…
a vertical column of elements in the periodic table; elements…
periodic
describes something that occurs or repeats at regular intervals
periodic law
the law that states that the repeating chemical and physical…
21 terms
Science Grade 8 Vocab Chapter 11
atom
electron
Nucleus
Electron Cloud
the smallest unit of an element that maintains the properties…
a subatomic particle that has a negative charge
in physical science, an atoms central region, which is made u…
a region around the nucleus of an atom where electrons are li…
atom
the smallest unit of an element that maintains the properties…
electron
a subatomic particle that has a negative charge
44 terms
Chapter 11 the Atom Grade 8 science
Where are electrons likely to be found
How small is an atom
Aluminum atoms have a diameter of
Positively charged particles in the nu…
Electron Clouds
One hundred millionths of a centimeter
.00000003 cm
protons
Where are electrons likely to be found
Electron Clouds
How small is an atom
One hundred millionths of a centimeter
36 terms
Science grade 8 chapter 11
Habitat
Water vapor
Groundwater
Evaporation
Place where in organism provides the things he needs to survive
The gaseous form of water
Water that sells the cracks and spaces in underground soil an…
The process by which molecules at the surface of a liquid abs…
Habitat
Place where in organism provides the things he needs to survive
Water vapor
The gaseous form of water
27 terms
Science chapter 11 grade 8
Revolution
January
Longer
Full moon
The earths yearly orbit around the sun
Which month has the earth closest to the Sun?
Are daylight hours longer or shorter when the hemisphere is t…
When all the moon surface is lit up
Revolution
The earths yearly orbit around the sun
January
Which month has the earth closest to the Sun?
12 terms
Chapter 11 science vocab grade 8
Frame of Reference
Relative Motion
Distance
Displacement
a system of objects that are not moving with respect to one a…
movement in relation to a frame of reference.
the length of the path between two points.
the shortest distance from a starting point to an end point
Frame of Reference
a system of objects that are not moving with respect to one a…
Relative Motion
movement in relation to a frame of reference.
55 terms
Chapter 11-12 iScience Grade 8: Combination
Why is deforestation a problem?
Stimuli
How does a plant respond to stimuli?
Environmental stimuli
Deforestation is a problem because burning wood releases carb…
Any changes in an organism's environment that cause a response.
A plant can respond to stimuli very gradually, or quickly.
Plants respond to a number of different environmental stimuli…
Why is deforestation a problem?
Deforestation is a problem because burning wood releases carb…
Stimuli
Any changes in an organism's environment that cause a response.
25 terms
Grade 8-Science-Chapter 11
heredity
genetics
sperm
egg
the passing of traits from parents to offspring
the science of heredity, dealing with resemblances and differ…
these cells from the pollen fertilize egg cells in the pistil
a haploid sex cell formed in the female reproductive organs
heredity
the passing of traits from parents to offspring
genetics
the science of heredity, dealing with resemblances and differ…
13 terms
Chapter 11 Vocabulary Grade 8 Science
Pressure
Pressure
Fluid
Barometer
The force exerted on a surface divided by the total areas the…
Force/Area
Material that can easily flow
An instrument to measure the atmospheric pressure
Pressure
The force exerted on a surface divided by the total areas the…
Pressure
Force/Area
33 terms
Grade 8 Science - Chapter 11 - 12 Test Review
abyssal plains
bay
buoyant force
Continental glacier
On the deep ocean, floor, wide, open, flat plains between the…
A part of a body of water that reaches into the land.
The upward force exerted on objects submerged in or floating…
A glacier, or ice sheet covering all or a significant part of…
abyssal plains
On the deep ocean, floor, wide, open, flat plains between the…
bay
A part of a body of water that reaches into the land.
26 terms
Life Science Grade 8 Chapter 11
Porifera
Nematoda
Annelida
Chordata
Sponges watery environment, asymmetry filter feeders
Roundworms, bilateral, gut and anus, covered cuticle, nervous…
Marine worms, Leeches, bilateral, gut and anus, segmented bod…
Fish amphibians reptiles mammals bird lancelets tunicates
Porifera
Sponges watery environment, asymmetry filter feeders
Nematoda
Roundworms, bilateral, gut and anus, covered cuticle, nervous…
Grade 8 Science
Structure
Function
Presence
Indicates
The way something is put together
To serve a purpose
existence
to show
Structure
The way something is put together
Function
To serve a purpose
27 terms
Change over time chapter 11 grade 8 science
Species
Fossil
Darwins observed
Adaption
A group of similar organisms that can can have offspring toge…
Preserved remains or traces of an organism
He observed the diversity of different organisms and how they…
Trait that increases an organisms ability to survive and repr…
Species
A group of similar organisms that can can have offspring toge…
Fossil
Preserved remains or traces of an organism
42 terms
Grade 8 science terms
science
3 Major Branches of Science
life science
examples of life science questions
the search for understanding the natural world through system…
Life, Earth, Physical
The study of living things ... Examples: Protista, eubacteria, p…
How many eggs does a grasshopper lay?... How is a snail differen…
science
the search for understanding the natural world through system…
3 Major Branches of Science
Life, Earth, Physical
8 terms
Grade 8 Science Force
force
exert
Newton
Balanced force
A push or a pull
The put forth strength
The metric unit for the force
Al forces on an object produce a net force of 0 N
force
A push or a pull
exert
The put forth strength
17 terms
Grade 8 Science - The Digestive System
digestion
absorption
excretion
mastication
the process of breaking down the food
the process of taking in the nutrients
the process of getting rid off waste
the action of chewing food
digestion
the process of breaking down the food
absorption
the process of taking in the nutrients
36 terms
Science grade 8
physical properties
chemical properties
mass
weight
A characteristic of a pure substance that can be observed wit…
Characteristic that cannot be observed without altering the s…
Amount of matter in an object
A measure of the force of gravity on an object
physical properties
A characteristic of a pure substance that can be observed wit…
chemical properties
Characteristic that cannot be observed without altering the s…
34 terms
Science Grade 8 - Science (Oceanography)
Salinity
Condensation
Buoyancy
Polar molecules
A word used to describe the amount of dissolved salts in water.
A gas changing into a liquid when thermal energy is removed.
The force exerted by a fluid in opposition to an object's wei…
Molecules with a slight positive and negative charge. Able to…
Salinity
A word used to describe the amount of dissolved salts in water.
Condensation
A gas changing into a liquid when thermal energy is removed.
26 terms
Grade 8 Science Review
watershed
transverse wave
compression (longitudinal) wave
eutrophication
The land that water flows across or through on its way to a s…
a wave vibrating at right angles (light), does not require a…
sound wave, requires a medium (matter), cannot travel in space
excessive richness of nutrients in a lake or other body of wa…
watershed
The land that water flows across or through on its way to a s…
transverse wave
a wave vibrating at right angles (light), does not require a…
390 terms
Grade 8 Science Review (full year)
Pure substance
Element
Compound
Mixture
constant chemical composition, made of only one type of parti…
made of 1 type of atom
Made of 2 or more different types of elements (in a constant…
Two or more pure substances put together
Pure substance
constant chemical composition, made of only one type of parti…
Element
made of 1 type of atom
36 terms
Chapter 11 grade 8 honours
Ocean basin
Continental margins
Tectonic plates
Oceanic plates
The largest part of the ocean. In the middle.
The rising outside edges of the ocean.
The move the earth's crust because of the magma heating up. T…
Plates under the ocean. Denser then continental plates.
Ocean basin
The largest part of the ocean. In the middle.
Continental margins
The rising outside edges of the ocean.
8 terms
cells grade 8-life science
organelles
cell membrane
cell wall
cytoplasm
A tiny cell structure that carries out a specific function wi…
Is a flexible covering that protects the inside of a cell fro…
Is a stiff structure outside the cell membrane
A fluid inside a cell that contains salts and other molecules
organelles
A tiny cell structure that carries out a specific function wi…
cell membrane
Is a flexible covering that protects the inside of a cell fro…
25 terms
Pearson Interactive Science Grade 8 Chapter 11: Changes Over Time (HONORS)
Species
Fossil
Galapagos Islands
Adaptation
a group of similar organisms that can mate with one another
The preserved remains or traces of animals
From the Pacific coast Darwin set on voyage in the __________…
increases organisms ability to survive and reproduce
Species
a group of similar organisms that can mate with one another
Fossil
The preserved remains or traces of animals
25 terms
Pearson Interactive Science Grade 8 Chapter 11: Changes Over Time (HONORS)
Species
Fossil
Galapagos Islands
Adaptation
a group of similar organisms that can mate with one another
The preserved remains or traces of animals
From the Pacific coast Darwin set on voyage in the __________…
increases organisms ability to survive and reproduce
Species
a group of similar organisms that can mate with one another
Fossil
The preserved remains or traces of animals
11 terms
GRADE 8 SCIENCE - FLUIDS
FLUID
EXAMPLES OF FLUIDS IN OUR WORLD
PARTICLE THEORY
LAMINAR FLOW
-materials that have no fixed shape and are free to flow.
-air, water, oil, helium, ketchup, gravy
-what matter is made of and how it behaves
-smooth flow of air around an airplane wing or a car.
FLUID
-materials that have no fixed shape and are free to flow.
EXAMPLES OF FLUIDS IN OUR WORLD
-air, water, oil, helium, ketchup, gravy
25 terms
Science Grade 8 Kroll
Erosion
Weathering
Mechanical weathering
Chemical weathering
the process of wearing down and carrying away rocks.
the process that breaks down rock and other substances.
rock is physically broken into smaller pieces
this process breaks down rock through chemical changes
Erosion
the process of wearing down and carrying away rocks.
Weathering
the process that breaks down rock and other substances.
47 terms
Grade 8 Science Vocabulary
system
purpose
input
output
made up of parts that work together to perform a function
function of a system
what goes into the system to make it work
result of the system
system
made up of parts that work together to perform a function
purpose
function of a system
19 terms
Science test grade 8 chapter 11
Properties of covalent compound
What group is the most stable
Ionic bond
Valence electron
Nonmetal + nonmetal
Noble Gases
Metal + Nonmetal
Outermost electron of an atom that participle in chemical bon…
Properties of covalent compound
Nonmetal + nonmetal
What group is the most stable
Noble Gases
8 terms
cells grade 8-life science
organelles
cell membrane
cell wall
cytoplasm
A tiny cell structure that carries out a specific function wi…
Is a flexible covering that protects the inside of a cell fro…
Is a stiff structure outside the cell membrane of a plant cell
A fluid inside a cell that contains salts and other molecules
organelles
A tiny cell structure that carries out a specific function wi…
cell membrane
Is a flexible covering that protects the inside of a cell fro…
10 terms
chapter 11 science grade eight
force
net force
Newton's first law
inertia
a push or a pull; something that changes... the motion of an obj…
the overall force acting on an object when... all of the forces…
a scientific law stating that objects at... rest remain at rest,…
the resistance of an object to a change in... the speed or the d…
force
a push or a pull; something that changes... the motion of an obj…
net force
the overall force acting on an object when... all of the forces…
24 terms
Earth's Moon (Grade 8 Science)
Perihelion
Aphelion
Eclipse
Perigee
The point in Earth's orbit where it is closest to the sun
152,000,000 km
Occurs when an object in space makes a shadow on another obje…
The point in the Moon's orbit around the Earth where it is cl…
Perihelion
The point in Earth's orbit where it is closest to the sun
Aphelion
152,000,000 km
26 terms
Grade 8 Science - Structures & Mechanisms
Mechanical Systems (physical parts)
Friction
Natural System
Human Made System (social organization)
These types of systems having moving parts and produce heat t…
The resistance when a moving object is in contact with the su…
This is a system found in nature... i.e. Great Barrier Reef, Ara…
This is a system created by people... i.e. banking system, medic…
Mechanical Systems (physical parts)
These types of systems having moving parts and produce heat t…
Friction
The resistance when a moving object is in contact with the su…
24 terms
Grade 8 Science, Chapter 2
fulcrum
load arm
effort arm
input force
the fixed point that a lever pivots around
the distance from the fulcrum to the point where the load is…
in a lever, the distance between the fulcrum and the effort f…
the force that you apply on a machine
fulcrum
the fixed point that a lever pivots around
load arm
the distance from the fulcrum to the point where the load is…
20 terms
HMS Science Grade 8 Circulatory System
Atria
Vein
Heart
Valve
Collecting chambers of the heart.
Carries oxygen poor blood to the heart.
Four chamber organ composed of cardiac muscle.
Prevents blood from flowing backwards.
Atria
Collecting chambers of the heart.
Vein
Carries oxygen poor blood to the heart.
35 terms
Grade 8 Topic 4 Forensic Science
Forensic science
Gross evidence
Trace evidence
Land
Collection of analysis evidence from a crime scene so it can…
Large pieces of evidence, such as body, shoes and clothes
Very small pieces of evidence. Eg footprints, DNA from blood
Raised areas of rifling in the barrel of a gun
Forensic science
Collection of analysis evidence from a crime scene so it can…
Gross evidence
Large pieces of evidence, such as body, shoes and clothes
9 terms
Science Formulas Grade 8
Acceleration (a)
Average Speed (v)
Density (D)
Percent Efficiency (e)
Acceleration (a)
Average Speed (v)
10 terms
Grade 8 Science Q2
Weathering of Landforms
Valleys
Sinkhole
Deposit of sediment on a river
Landforms wear down over time... A mountain will become shorter…
An area of low land, surrounded by mountains.... Formed by erosi…
a hole in the ground, especially in limestone bedrock, caused…
Sediment (little stones) falls on the inside corners of rivers
Weathering of Landforms
Landforms wear down over time... A mountain will become shorter…
Valleys
An area of low land, surrounded by mountains.... Formed by erosi…
39 terms
NPMS Ortiz Science Grade 8
abiotic
acceleration
biome
biotic
describes the nonliving part of the environment, including wa…
the rate at which velocity changes over time; an object accel…
a large region characterized by a specific type of climate an…
describes living factors in the environment
abiotic
describes the nonliving part of the environment, including wa…
acceleration
the rate at which velocity changes over time; an object accel…
26 terms
EWMS GRADE 8 science weather vocabulary
weather
high pressure
evaporation
climate
the condition of Earth's atmosphere at a particular time and…
A mass of sinking cool air that usually bring fair weather.
The change of a substance from a liquid to a gas. The change…
The average weather conditions in a place over a long period…
weather
the condition of Earth's atmosphere at a particular time and…
high pressure
A mass of sinking cool air that usually bring fair weather.
34 terms
Grade 8 Science: Optics
Speed of light
Rectilinear propagation
Reflection
Refraction
300 000 000 m/s
describes the property of light; light travels in straight li…
the process in which light or another type of wave interacts…
the changing of direction or bending of light or other type o…
Speed of light
300 000 000 m/s
Rectilinear propagation
describes the property of light; light travels in straight li…
21 terms
interactive science grade8 ch11(MAB)
abyssal plain
climate
continental shelf
continental slope
a smooth, nearly flat region of the deep ocean floor
the average annual conditions of temperature, precipitation,…
a gently sloping shallow area of the ocean floor that extends…
a steep incline of the ocean floor leading down from the edge…
abyssal plain
a smooth, nearly flat region of the deep ocean floor
climate
the average annual conditions of temperature, precipitation,…
23 terms
More Science PSSA Review GRADE 8
hypothesis
variable
independant variable
dependant variable
testable idea
changable factor in an experiment
the thing that will be changed in each experiment
the thing that is affected by the change
hypothesis
testable idea
variable
changable factor in an experiment
92 terms
Grade 8 Science
Atom
Molecule
Measurement of Mass
Measurement of Distance
the smallest chemical unit of matter
two or more atoms linked together to make a new substance wit…
grams and pounds
meters and feet
Atom
the smallest chemical unit of matter
Molecule
two or more atoms linked together to make a new substance wit…
5 terms
Grade 8 Science
Hydraulic System
Pneumatic System
compress
pressure
a system that uses liquids under pressure
a system that uses gases under pressure
to pack closely together; squeeze
the force per unit area
Hydraulic System
a system that uses liquids under pressure
Pneumatic System
a system that uses gases under pressure
15 terms
Chapter 1 Science vocabulary (grade 8)
Scientific method
Biogenesis
Control
Hypothesis
a series of procedures used to solve a problem
A theory that all living things come from other living things
The Standard in an experiment to which the outcome is compared
a prediction or educated guess
Scientific method
a series of procedures used to solve a problem
Biogenesis
A theory that all living things come from other living things
39 terms
Grade 8 Science
accommodation
additive primary colours
alveoli
angle of incidence
in vision, the process of changing the shape of the lens in t…
red, green and blue
in the lungs, tiny air sacs at the end of the bronchioles
the angle between the incident ray and the normal
accommodation
in vision, the process of changing the shape of the lens in t…
additive primary colours
red, green and blue
20 terms
Matter (Grade 8 Science)
Element
Compound
Chemical Change
Luster
The type of matter made of one kind of atom.
The kind of matter made of one kind of molecule.
Occurs when molecular bonds are formed or broken.
A qualitative physical property described as shiny or dull.
Element
The type of matter made of one kind of atom.
Compound
The kind of matter made of one kind of molecule.
12 terms
Science grade 8
Solid
Liquid
Gas
Temperature
The state of matter that has a definite shape and volume.
The sate of matter that has a definite volume but no definite…
The state of matter that has no definite shape or volume.
The measure of how fast the particles in something are moving
Solid
The state of matter that has a definite shape and volume.
Liquid
The sate of matter that has a definite volume but no definite…
12 terms
Grade 8 Science Earth's Surface C3 WED
erosion
sediment
deposition
gravity
the process by which natural forces move weathered rock and s…
consists of pieces of rock or soil, or the remains of plants…
occurs where the agents of erosion deposit, or lay down, sedi…
the force that pulls objects downward
erosion
the process by which natural forces move weathered rock and s…
sediment
consists of pieces of rock or soil, or the remains of plants…
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