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Study sets matching "grade 8 science chapter 7"

12 terms
Grade 8 Science: Chapter 7 Quiz Review
fluid
viscosity
flow rate
particle theory of matter
anything that flows; a liquid or a gas
- the thickness or thinness of a fluid... - how easily a fluid f…
the amount of fluid that flows past a given point in a given…
theory that all matter consists of tiny particles... 1. matter i…
fluid
anything that flows; a liquid or a gas
viscosity
- the thickness or thinness of a fluid... - how easily a fluid f…
15 terms
Chapter 7, Grade 8 Science
fluids
particle theory of matter
laminar flow
turbulent flow
materials that have no fixed shape and are free to flow, such…
a theory that explains what matter is made of and how it beha…
a smooth pattern of flow
an irregular, mixing flow pattern
fluids
materials that have no fixed shape and are free to flow, such…
particle theory of matter
a theory that explains what matter is made of and how it beha…
13 terms
Science Diversity of Life Chapter 7 Grade 8
internal ferilization
external fertilization
gestation period
metamorphosis
when eggs are fertilized inside of the female
when eggs are fertilized outside of the female
the length of time between fertilization and birth of a mammal
a process in which an animal's body undergoes major changes i…
internal ferilization
when eggs are fertilized inside of the female
external fertilization
when eggs are fertilized outside of the female
18 terms
NPMS Ortiz Science Grade 8 Chapter 7
matter
volume
meniscus
mass
anything that has mass and takes up space
a measure of the size of a body or region in three-dimensiona…
the curve at a liquid's surface by which one measures the vol…
a measure of the amount of matter in an object
matter
anything that has mass and takes up space
volume
a measure of the size of a body or region in three-dimensiona…
Chapter 7, Grade 8
Continent Drift
Pangea
Seafloor Spreading
Plate tectonics
Hypothesis that Earth's continents move on Earth's surface be…
A super continent containing all of Earth's land that existed…
The process that creates new sea floor as plates move away fr…
a theory explaining the structure of the earth's crust and ma…
Continent Drift
Hypothesis that Earth's continents move on Earth's surface be…
Pangea
A super continent containing all of Earth's land that existed…
25 terms
Science Chapter 7 Grade 8
The boiling point of water on the Fahr…
NOT a common state of matter
The transfer of thermal energy through…
The lowest possible temperature is
212 degrees F, 100 degrees C, and 373 K
superfluid
thermal conduction
0K
The boiling point of water on the Fahr…
212 degrees F, 100 degrees C, and 373 K
NOT a common state of matter
superfluid
15 terms
Science Chapter 7- Grade 8
fluids
particle theory of... matter
laminar flow
turbulent flow
substances that have the ability to flow and conform to the s…
The kinetic theory of matter (particle theory) says that all…
Flows in parallel lines in a smooth progression
Irregular flow with random variations in pressure.
fluids
substances that have the ability to flow and conform to the s…
particle theory of... matter
The kinetic theory of matter (particle theory) says that all…
14 terms
Chapter 7 science Grade 8
Topography
isostasy
Land form
orogeny
Land factors
Balence in weight in rocks
Land strucure
Makeing moutains
Topography
Land factors
isostasy
Balence in weight in rocks
16 terms
Science Grade 8 Chapter 7
Matter
Chemistry
Substance
Element
Anything that has mass and takes up space
The study of matter and how matter changes
A single kind of matter that is pure, meaning it always has a…
Substance that cannot be broken down into any other substance…
Matter
Anything that has mass and takes up space
Chemistry
The study of matter and how matter changes
8 terms
Grade 8 Science BC Chapter 7.1
Condensation
Evaporation
Expansion
Mass
This is the change of state when gas goes from being gas into…
This is the change of state when liquid goes from being liqui…
This is when energy is added a substance and object which cau…
This is the amount of matter that a substance or an object co…
Condensation
This is the change of state when gas goes from being gas into…
Evaporation
This is the change of state when liquid goes from being liqui…
23 terms
Science Sullivan grade 8 chapter 7
matter
mass
volume
condensation
anything that has mass or volume
A measure of the amount of matter in an object
the amount of stuff can fit inside something
Gas to liquid
matter
anything that has mass or volume
mass
A measure of the amount of matter in an object
18 terms
Chapter 7 Science Grade 8
A mixture in which particles can be se…
a base does not react with -----
solutes lower the freezing point of wa…
if a substance produces ------ in wate…
suspension
carbonates
making it harder for water to form crystals
hydroxide ions
A mixture in which particles can be se…
suspension
a base does not react with -----
carbonates
29 terms
Chapter 7 Science grade 8 honours
Matter
Mass
Volume
Solid
Anthing that has a mass or volume
A quantity of matter that a substance conains (g) (Kg)
The ammount of space taken up by a substance or object. (l) (…
State of Matter that has a definate shape and volume.
Matter
Anthing that has a mass or volume
Mass
A quantity of matter that a substance conains (g) (Kg)
40 terms
Science grade 8 chapter 7 and 8
Matter
Mass
Volume
Condensation
Anything that has mass and volume
Is the quantity of matter that a substance or object contains…
The amount of space taken up by a substance or object
The process of changing state from a gas to a liquid
Matter
Anything that has mass and volume
Mass
Is the quantity of matter that a substance or object contains…
66 terms
Science Grade 8 Physical Science Chapter 7
What is a colloid: ~a mixture containi…
What contain larger particles than a s…
In a colloid mixture, explain the part…
Unlike a solution, suspension...
It a mixture containing small, dissolved particles that do no…
Colloids.
They are still too small to be seen easily, but are large eno…
A suspension does not have the same properties throughout. It…
What is a colloid: ~a mixture containi…
It a mixture containing small, dissolved particles that do no…
What contain larger particles than a s…
Colloids.
16 terms
Science-grade8 Fluids chapter7
Fluids
Types of flow
Laminar flow
Turbulant
Liquid or gas that... - has the ability to flow freely... - fills c…
Laminar and Turbulant
Smooth, even, parallel flow pattern
Weird, uneven, mixing flow pattern
Fluids
Liquid or gas that... - has the ability to flow freely... - fills c…
Types of flow
Laminar and Turbulant
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
9 terms
Grade 8 Science - Chapter 7 Vocabulary & Defenitions
Fluid
Slurry
Matter
Mass
Any substance that flows.
A mixture of water and solids
Is anything that has mass and volume
Is a measure of how much matter there is in a substance
Fluid
Any substance that flows.
Slurry
A mixture of water and solids
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
10 terms
Science Grade 8 chapter 7 Forces in Fluids (Vocab Terms)
Fluid
Pressure
Pascal
Atmospheric pressure
A nonsolid state of matter in which the atoms or molecules ar…
The amount of force exerted per unit area of a surface
The SI unit of pressure (symbol Pa)
The pressure caused by the weight of the atmosphere
Fluid
A nonsolid state of matter in which the atoms or molecules ar…
Pressure
The amount of force exerted per unit area of a surface
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
16 terms
TEST SCIENCE GRADE 8TH. Chapter 7 VOCABULARY
temperature
molecule
compound
mixture
How hot or cold something is; a measure of the average energy…
A neutral group of two or more atoms held together by covalen…
A substance made of two or more elements chemically combined…
Two or more substances that are together in the same place bu…
temperature
How hot or cold something is; a measure of the average energy…
molecule
A neutral group of two or more atoms held together by covalen…
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…
20 terms
Science grade 8 UNIT 2 CHAPTER 7
Boiling
Boiling point
Change of state
Concentration
The process by which a liquid is rapidly converted into gas.
The temperature at which a substance os transferd from liquid…
the process by which substance is transformed from one state…
the ammout of a substance dissolved in another substance usua…
Boiling
The process by which a liquid is rapidly converted into gas.
Boiling point
The temperature at which a substance os transferd from liquid…
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
20 terms
Science Chapter 7 Acids, Bases, and solutions grade 8 April 2016
Colloid
Suspension
Dilute solution
Solubility
Mixture containing small, undissolved particles that don't se…
Mixture in which particles can be seen & easily separated by…
Mixture that has a little solute dissolved in it
Measure of how much solute can dissolve in a given solvent
Colloid
Mixture containing small, undissolved particles that don't se…
Suspension
Mixture in which particles can be seen & easily separated by…
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…
14 terms
Grade 8 science chapter 7 : fluids on the move
Fluids
Particle theory of matter
Laminar flow
Turbulent flow
Materials that have no fixed shape and are free to flow, such…
A theory that explains what matter is made off and how it beh…
A smooth pattern of flow
An irregular, mixing flow
Fluids
Materials that have no fixed shape and are free to flow, such…
Particle theory of matter
A theory that explains what matter is made off and how it beh…
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
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…
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…
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.
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…
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…
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
21 terms
Science Chapter 7 Sections 4-6 Grade 8
Air mass
Tropical
Polar
Maritime
A huge body of air that has similar temperature, humidity, an…
A warm air mass that forms in the tropics and has low air pre…
A cold air mass that forms north of 50* north latitude or sou…
A humid air mass that forms over oceans.
Air mass
A huge body of air that has similar temperature, humidity, an…
Tropical
A warm air mass that forms in the tropics and has low air pre…
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
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