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Study sets matching "science vocabulary 8th grade chapter 4"

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Study sets matching "science vocabulary 8th grade chapter 4"

15 terms
8th Grade Science - Chapter 4 Atoms
Matter
Atom
Nucleus
Proton
The world you live in is made of this
A very small particle that makes up all matter
A region that is located at the center of an atom and contain…
A positively charged particle located in the nucleus
Matter
The world you live in is made of this
Atom
A very small particle that makes up all matter
13 terms
Science - Chapter 4, 8th grade
continental drift
Pangea
fossil
mid ocean ridges
The hypothesis that the continents slowly moved apart on the…
A supercontinent containing all of Earth's land that existed…
A trace of an ancient organism that has been preserved in rock.
mountain ridges in the middle of the ocean.
continental drift
The hypothesis that the continents slowly moved apart on the…
Pangea
A supercontinent containing all of Earth's land that existed…
24 terms
8th Grade Science: Chapter 4
A pure substance that cannot be separa…
A sample of matter, either a single el…
An element that is shiny and that cond…
An element that conducts heat and elec…
elements
pure substance
metals
nonmetals
A pure substance that cannot be separa…
elements
A sample of matter, either a single el…
pure substance
32 terms
8th Grade Science - Space Chapter 4
universe
parallax
light-year
scientific notation
All of space and everything in it
Apparent change in the position of a star in the sky due to t…
The distance light travels in one year
uses powers of ten to write very large numbers in shorter form
universe
All of space and everything in it
parallax
Apparent change in the position of a star in the sky due to t…
16 terms
8th Grade Science: Chapter 4 Vocabulary
Periods
Groups
Compound
Chemical bond
rows (right to left)
columns (up and down)
atoms of different elements chemically combined to form _____
a force that holds two or more atoms together
Periods
rows (right to left)
Groups
columns (up and down)
46 terms
8th grade science Chapter 4: Plate Tectonics
crust
continental crust
oceanic crust
mantle
The outermost layer of the Earth, ranging from 5-100 km thick…
Composition similar to granite; average thickness of 30 km.
Composition similar to basalt; generally between 5-8 km thick…
Layer of the Earth between the crust and the core; extremely…
crust
The outermost layer of the Earth, ranging from 5-100 km thick…
continental crust
Composition similar to granite; average thickness of 30 km.
33 terms
8th grade Physical Science chapter 4
deomcratis
positive
planets
Atomic number/Mass number
proposed the first theory of atoms, and suggested that the un…
the nucleus of an atom has this kind of charge
Bohr's model of the atom compares electrons wtih
isotopes of an element have the same _______________ but diff…
deomcratis
proposed the first theory of atoms, and suggested that the un…
positive
the nucleus of an atom has this kind of charge
8th Grade Science - Chapter 4 Atoms
Matter
Atom
Nucleus
Proton
The world you live in is made of this
A very small particle that makes up all matter
A region that is located at the center of an atom and contain…
A positively charged particle located in the nucleus
Matter
The world you live in is made of this
Atom
A very small particle that makes up all matter
12 terms
8th Grade Science Chapter 4 Vocabulary
Speed
Average speed
Constant speed
Instantaneous speed
describes how quickly an object moves, calculated by dividing…
the total distance divided by the total time for a trip
speed that stays the same
the actual speed of a moving object at any moment
Speed
describes how quickly an object moves, calculated by dividing…
Average speed
the total distance divided by the total time for a trip
14 terms
8th Grade Science Chapter 4 Vocabulary
element
pure substance
metal
nonmetal
a pure substance that cannot be separated into simpler substa…
can be either an element or compound, with only one type of p…
elements that are shiny, and conduct heat and electricity well
elements that are dull, poor conductors of heat and electricity
element
a pure substance that cannot be separated into simpler substa…
pure substance
can be either an element or compound, with only one type of p…
12 terms
Science Chapter 4 Rocks 8th grade vocabulary
Rock
Grains
Texture
Magma
A natural, solid mixture of minerals or grains.
Geologists call the fragments that make up a rock ______.
The grain size and the way grains fit together in a rock.
Molten or liquid rock underground, cools, mineral crystals fo…
Rock
A natural, solid mixture of minerals or grains.
Grains
Geologists call the fragments that make up a rock ______.
112 terms
8th grade Earth and Space Science Chapter 4
weathering
physical weathering
ice wedging
exfoliation
the process by which rocks are broken down by forces of nature
the breakdown of large rocks into fragments by physical force…
occurs when rainwater or melted ice soaks into tiny cracks in…
involves the breaking or peeling away of rocks in layers
weathering
the process by which rocks are broken down by forces of nature
physical weathering
the breakdown of large rocks into fragments by physical force…
Pearson 8th Grade Science Chapter 4 Vocabulary
Speed
Instantaneous Speed
Average Speed
Velocity
the distance an object travels per unit of time
the speed of an object at one instant of time
the overall rate of speed at which an object moves; calculate…
speed in a given direction
Speed
the distance an object travels per unit of time
Instantaneous Speed
the speed of an object at one instant of time
20 terms
Chapter 4- 8th Grade Science Vocabulary
Normal Fault
Reverse Fault
Strike-Slip Fault
Seismic Wave
Fault where the hanging wall slides downwards due to tension…
Fault where the hanging wall rises higher than the foot wall…
Fault where rocks on either side move past each other sideway…
Vibrations that travel through earth carrying the energy rele…
Normal Fault
Fault where the hanging wall slides downwards due to tension…
Reverse Fault
Fault where the hanging wall rises higher than the foot wall…
57 terms
8th Grade Chapter 4 Science Vocabulary
Atom
Dalton's atomic theory
Thomson
Electron
The smallest particle into which an element can be divided an…
Stated that Atoms of different elements are different and hav…
Performed the cathode ray experiment to discover electrons. M…
A negatively charged particle of an atom, has a tinier mass,…
Atom
The smallest particle into which an element can be divided an…
Dalton's atomic theory
Stated that Atoms of different elements are different and hav…
22 terms
Chapter 4 Vocabulary-8th grade Science
Rock
Grains
Texture
Magma
Natural,solid mixture of minerals or grains
Fragments that make up a rock
Grain size and the way grains fit together in a rock
Molten or liquid rock underground
Rock
Natural,solid mixture of minerals or grains
Grains
Fragments that make up a rock
49 terms
ABEKA 8TH GRADE SCIENCE: EARTH AND SPACE TEST 4 CHAPTER 4
cirque
levee
exfoliation
sea stack
A huge bowl-shaped depression dug out by a valley glacier.
A natural ridge formed along the edge of a river's channel.
Type of weathering that involves the breaking or peeling away…
A pillar-like structure of rock formed when the middle of a s…
cirque
A huge bowl-shaped depression dug out by a valley glacier.
levee
A natural ridge formed along the edge of a river's channel.
10 terms
8th Grade Science Chapter 4
Identify the name, symbol, charge, and…
Draw and label all parts of an atom ba…
Explain the 4 main ideas of Dalton's A…
Identify the atomic number, mass, numb…
1)Matter is made of atoms. Atoms cannot be created or destroy…
Identify the name, symbol, charge, and…
Draw and label all parts of an atom ba…
14 terms
8th grade science: chapter 4
Diffusion
Osmosis
Passive Transport
Active Transport
the movement of particles from regions of higher density to r…
the diffusion of water through a semipermeable membrane
the movement of substances across a cell membrane without the…
the movement of substances across the cell membrane that requ…
Diffusion
the movement of particles from regions of higher density to r…
Osmosis
the diffusion of water through a semipermeable membrane
37 terms
Abeka Science 8th Grade chapter 4 Review
ice wedging
exfoliation
erosion
headwaters
physical weathering that occurs when rainwater or melted ice…
weathering which involves the breaking or peeling away of roc…
carrying away of rock fragments, soil, sand, and vegetation b…
source of a river
ice wedging
physical weathering that occurs when rainwater or melted ice…
exfoliation
weathering which involves the breaking or peeling away of roc…
43 terms
chapter 4 science 8th grade
matter
electron
nucleous
proton
the basic particle from which all atoms are made
a negitively charged particle
the central core of an atom
a positively charged particle that is part of an atom's nucle…
matter
the basic particle from which all atoms are made
electron
a negitively charged particle
49 terms
8th science (chapter 4)
cirque
levee
exfoliation
sea stack
A huge bowl-shaped depression dug out by a valley glacier.
A natural ridge formed along the edge of a river's channel.
Type of weathering that involves the breaking or peeling away…
A pillar-like structure of rock formed when the middle of a s…
cirque
A huge bowl-shaped depression dug out by a valley glacier.
levee
A natural ridge formed along the edge of a river's channel.
42 terms
8th Grade Chapter 4 Science
valence electrons
electron dot diagram
chemical bond
ion
The electrons that are in the highest energy level of an atom…
A representation of the valence electrons in an atom, using d…
The force of attraction that holds two atoms together
An atom or group of atoms that has become electrically charged
valence electrons
The electrons that are in the highest energy level of an atom…
electron dot diagram
A representation of the valence electrons in an atom, using d…
8th Grade Science - Chapter 4, Lesson 5
chemical equation
law of conservation of mass
open system
closed system
a short, easy way to show a chemical reaction, using symbols
the principle that the total amount of matter is neither crea…
a system in which matter can enter from or escape to the surr…
a system in which no matter is allowed to enter or leave
chemical equation
a short, easy way to show a chemical reaction, using symbols
law of conservation of mass
the principle that the total amount of matter is neither crea…
8th Grade Science - Chapter 4, Lesson 3
Covalent bond
Molecule
Double bond
Triple bond
a chemical bond formed when two atoms share electrons
a NEUTRAL group of 2 or more atoms held together by covalent…
a chemical bond formed when atoms share twp pairs of electrons
a chemical bond formed when atoms share three pairs of electr…
Covalent bond
a chemical bond formed when two atoms share electrons
Molecule
a NEUTRAL group of 2 or more atoms held together by covalent…
45 terms
8th Grade Science Chapter 4 Sound and Light
What can sound travel through?
Which body part vibrates when humans s…
What can use sonar to locate objects?
A light bulb converts what type of ene…
Solid, liquids and gases
vocal cords
bats, dolphins, a ship in the ocean
Electrical energy into light energy
What can sound travel through?
Solid, liquids and gases
Which body part vibrates when humans s…
vocal cords
8 terms
8th Grade Physical Science Chapter 4.1 and 4.2 Vocabulary
kinetic energy
joule
potential energy
elastic potential energy
Energy of motion
SI unit of energy
Energy stored due to an object's position or arrangement
The potential energy of an object that is stretched or compre…
kinetic energy
Energy of motion
joule
SI unit of energy
15 terms
Life Science- Chapter 4- 8th grade
sexual reproduction
egg
sperm
fertilization
type of reproduction in which the genetic material from two d…
the female reproductive, or sex, cell; forms in an ovary
a male reproductive, or sex, cell; forms in a testis
a reproductive process in which a sperm joins with an egg
sexual reproduction
type of reproduction in which the genetic material from two d…
egg
the female reproductive, or sex, cell; forms in an ovary
9 terms
Chapter 4 Terms (CCA 8th Grade Science)
adaptation
species
fossil
fossil record
a characteristic that improves an individual's ability to sur…
a group of organisms that are closely related and can mate to…
the trace or remains of an organism that lived long ago, most…
a historical sequence of life indicated by fossils found in E…
adaptation
a characteristic that improves an individual's ability to sur…
species
a group of organisms that are closely related and can mate to…
12 terms
8th Grade Science Chapter 4 Vocabulary
Rock
Rock Cycle
Erosion
Deposition
A naturally occuring solid mixture of one or more minerals or…
The series of processes in which a rock forms, changes from o…
The process by which wind, water, ice, or gravity transports…
The process in which material is laid down.
Rock
A naturally occuring solid mixture of one or more minerals or…
Rock Cycle
The series of processes in which a rock forms, changes from o…
37 terms
Chapter 4 Science Vocabulary-8th Grade
Atom
Electrons
Nucleus
Proton
The smallest particle of an element.
The negatively charged particles.
Center of an atom that is positively charged.
A positivly charged particle that is part of an atom's nucleus.
Atom
The smallest particle of an element.
Electrons
The negatively charged particles.
18 terms
8th grade Science Vocabulary - Chapter 4
system
energy
geosphere
hydrosphere
A group of parts that work together as a whole.
That ability to do work or cause change.
The densest parts of Earth that include the crust, mantle and…
The PORTION OF Earth that consists of WATER in any of its for…
system
A group of parts that work together as a whole.
energy
That ability to do work or cause change.
12 terms
8th Grade Science Chapter 4 Vocabulary
Rock
Rock Cycle
Erosion
Deposition
A naturally occuring solid mixture of one or more minerals or…
The series of processes in which a rock forms, changes from o…
The process by which wind, water, ice, or gravity transports…
The process in which material is laid down.
Rock
A naturally occuring solid mixture of one or more minerals or…
Rock Cycle
The series of processes in which a rock forms, changes from o…
7 terms
8th Grade Chapter 4 Vocabulary
First Continental Congress
minutemen
Redcoats
Second Continental Congress
a meeting of colonial delegates to discuss how to address pro…
members of the civilian volunteer militia Redcoats
British soldiers wearing red uniforms
a second meeting of colonial delegates to discuss how to addr…
First Continental Congress
a meeting of colonial delegates to discuss how to address pro…
minutemen
members of the civilian volunteer militia Redcoats
15 terms
8th Grade Science - Chapter 4, Lesson 4 & 5
physical change
chemical change
reactant
product
a change that alters the form or appearance of a material but…
a change in which one or more substances combine or break apa…
a substance that enters into a chemical reaction
a substance formed as a result of chemical reaction
physical change
a change that alters the form or appearance of a material but…
chemical change
a change in which one or more substances combine or break apa…
10 terms
Chapter 4 Vocabulary 8th Grade
zenith
berate
infallible
maudlin
the point of culmination; peak
(v.) to scold sharply
(adj.) free from error; absolutely dependable
overly sentimental
zenith
the point of culmination; peak
berate
(v.) to scold sharply
20 terms
8th Grade science vocabulary chapter 4
hydrosphere
atmosphere
surface water
reservoir
All of the water on earth.
layers of gases surrounding Earth
Water found on the surface of the Earth (lakes, rivers, ocean…
a large natural or artificial lake used as a source of water…
hydrosphere
All of the water on earth.
atmosphere
layers of gases surrounding Earth
13 terms
8th Grade Science Chapter 4
energy
kinetic energy
potential energy
gravitational potential energy
the ability to do work or cause change
energy of an object has due to its motion
energy that results from the position or shape of an object
energy related to an objects height
energy
the ability to do work or cause change
kinetic energy
energy of an object has due to its motion
38 terms
Chapter 4 8th Grade Science Vocabulary
Atom
Electron
Nucleus
Proton
The basic particle from which all elements are made.
The negatively charged particle that is found outside the nuc…
The central core of the atom.
The positively charged particle that is part of an atom's nuc…
Atom
The basic particle from which all elements are made.
Electron
The negatively charged particle that is found outside the nuc…
13 terms
Chapter 4 Vocabulary physical science 8th grade
Element
Pure substance
Metal
Nonmetals
A substances that cannot be separated or broken down into sim…
A sample of matter, either a single element or a single compo…
An element that is shiny and that conducts heat and electrici…
An element that conducts heat and electricity poorly
Element
A substances that cannot be separated or broken down into sim…
Pure substance
A sample of matter, either a single element or a single compo…
49 terms
ABEKA 8TH GRADE SCIENCE: EARTH AND SPACE TEST 4 CHAPTER 4
cirque
levee
exfoliation
sea stack
A huge bowl-shaped depression dug out by a valley glacier.
A natural ridge formed along the edge of a river's channel.
Type of weathering that involves the breaking or peeling away…
A pillar-like structure of rock formed when the middle of a s…
cirque
A huge bowl-shaped depression dug out by a valley glacier.
levee
A natural ridge formed along the edge of a river's channel.
14 terms
8th Science Chapter 4 Forces and Fluids
fluid
liquid
gases
pressure
any substance that can flow and take the shape of the contain…
flows and takes the shape of its container, volume remains th…
flows and take the shape of its container, volume does not re…
Force per unit area (Force /Area)
fluid
any substance that can flow and take the shape of the contain…
liquid
flows and takes the shape of its container, volume remains th…
32 terms
L Keene 8th Grade Science Chapter 4 Vocabulary
Ion
Polyatomic Ion
Ionic Bond
Ionic Compound
An atom or group of atoms that has become electrically charged.
An ion that is made of more than one atom.
The attraction between oppositely charged ions.
A compound that consists of positive and negative ions.
Ion
An atom or group of atoms that has become electrically charged.
Polyatomic Ion
An ion that is made of more than one atom.
28 terms
Chapter 4 8th Grade Science Vocabulary
valance electon
electron dot diagram
chemical bond
The number group that the element is i…
the electrons that are in the highest energy level of an atom…
a representation of the valance electrons in an atom, using d…
the force of attraction that holds two atoms together
How are groups in the periodic table related to the number of…
valance electon
the electrons that are in the highest energy level of an atom…
electron dot diagram
a representation of the valance electrons in an atom, using d…
17 terms
8th Grade Science - Chapter 4, Lesson 1, 2 & 3
valance electrons
electron dot diagram
chemical bond
ion
the electrons that are in the highest energy level of an atom…
a representation of the valance electrons in an atom, using d…
the force of the attraction that holds 2 atoms together
an atom or group of atoms that has become electrically charged
valance electrons
the electrons that are in the highest energy level of an atom…
electron dot diagram
a representation of the valance electrons in an atom, using d…
20 terms
8th science chapter 4
Asthenosphere
Boundry
Compression
Continental Drift
...
...
...
...
Asthenosphere
...
Boundry
...
38 terms
Science 8th grade chapter 4
Alkali metals
Alkaline earth metals
Alloy
Alpha particle
an element in group 1 of the periodic table
an element in group 2 of the periodic table
A COMBINATION; A MIXTURE OF TWO OR MORE METALS
A type of nuclear radiation consisting of protons and two neu…
Alkali metals
an element in group 1 of the periodic table
Alkaline earth metals
an element in group 2 of the periodic table
19 terms
8th grade: Physical Science Chapter 4
Dalton's theory
Thomsons experiment
Rutherfords atomic theory
nucleus (nuclei)
this theory was to explain why the elements in a compound alw…
a dense positively charged mass located at the center of an a…
Dalton's theory
this theory was to explain why the elements in a compound alw…
Thomsons experiment
25 terms
8th Grade Science Chapter 4 Minerals
Mineral
Crystal
Luster
Hardness
Naturally occurring, inorganic solid with specific chemical c…
Solid in which atoms are arranged in repeating patterns
The way that a mineral reflects light from its surface; two t…
Measure of how easily a mineral can be scratched; which is de…
Mineral
Naturally occurring, inorganic solid with specific chemical c…
Crystal
Solid in which atoms are arranged in repeating patterns
25 terms
8th Grade Science Chapter 4 (Trilogy)
polymer
monomers
plastics
composite
is a large, complex molecule made from smaller molecules join…
the smaller molecules in which polymers are built
synthetic polymers that can be molded or shaped
combines two or more substances in a new material with differ…
polymer
is a large, complex molecule made from smaller molecules join…
monomers
the smaller molecules in which polymers are built
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