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Study sets matching "8th grade science chapter 4"

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Study sets matching "8th grade science 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…
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
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…
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
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
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.
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…
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…
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.
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
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…
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
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…
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
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.
43 terms
Science Chapter 4 - 8th grade
rock
grains
classify
texture
A __________ is a natural, solid mixture of minerals or parti…
____________ are the fragments that make up rocks.
Geologists _____________ rocks according to their composition…
The size of grains in a rock and the way the grains fit toget…
rock
A __________ is a natural, solid mixture of minerals or parti…
grains
____________ are the fragments that make up rocks.
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
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…
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
27 terms
8th Grade Science Book 2 Chapter 4
transparent material
translucent material
opaque material
primary colors
A material that transmits light without scattering it
A material that scatters light as it passes through
A material that reflects or absorbs all of the light that str…
Three colors that can be used to make any other color
transparent material
A material that transmits light without scattering it
translucent material
A material that scatters light as it passes through
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…
20 terms
8th science chapter 4
Asthenosphere
Boundry
Compression
Continental Drift
...
...
...
...
Asthenosphere
...
Boundry
...
25 terms
8th grade Chapter 4 science
What is a element?
What is a compound?
What is a pure substance?
What is a metal?
a substance that cannot be broken or separated into simpler s…
8a substance made up of atoms of two of more different elemen…
a sample of matter, either a single element or a single compo…
an element that is shiny and that conducts heat and electrici…
What is a element?
a substance that cannot be broken or separated into simpler s…
What is a compound?
8a substance made up of atoms of two of more different elemen…
8 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
37 terms
Science - Chapter 4 (8th Grade)
The modern atomic model describes an a…
The smallest particle of an element
Negatively charged particles
Tiny region in the center of an atom
Protons, Neutrons, Electrons
Atom
Electrons
Nucleus
The modern atomic model describes an a…
Protons, Neutrons, Electrons
The smallest particle of an element
Atom
15 terms
Emek 8th grade Physical Science Chapter 4
element
pure substance
metals
nonmetals
A pure substance that cannot be broken down into other substa…
A substance made up of only one type of matter. Elements and…
hard, shiny, malleable, ductile, and good conductors of heat…
a gas or brittle solid at room temperature, is not a malleabl…
element
A pure substance that cannot be broken down into other substa…
pure substance
A substance made up of only one type of matter. Elements and…
64 terms
Science Chapter 4 (8th grade) Exploring Materials
A large, complex molecule built from s…
A polymer may be combined with one or…
Wood is a natural composite made of tw…
A mixture that is made of two or more…
polymer
composite
snap more easily
alloy
A large, complex molecule built from s…
polymer
A polymer may be combined with one or…
composite
18 terms
8th iScience Chapter 4
mechanical waves
electromagnetic wave
transverse wave
longitudinal wave
a wave that travels only through matter
a wave that can travel through empty space or through matter
a wave in which the disturbance is perpendicular to the direc…
a wave that makes the particles of a medium move back and for…
mechanical waves
a wave that travels only through matter
electromagnetic wave
a wave that can travel through empty space or through matter
10 terms
8th Grade Science- Chapter 4, Lesson 1 & 2
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…
27 terms
8th Grade Chapter 4 Science Study Guide
Element
Pure Substance
Metal
Non Metals
A pure substance that cannot be separated into simpler substa…
A sample of matter, either a single element or a single compo…
An element that is shiny and that conducts heat and electric…
An element that conducts heat and electricity poorly and is d…
Element
A pure substance that cannot be separated into simpler substa…
Pure Substance
A sample of matter, either a single element or a single compo…
12 terms
8th Science Chapter 4
Geology
Uniformitarianism
Deep-time view
Crust
the study of Earth's structures, materials, and processes
the belief that all geologic processes are natural, have alwa…
the idea that the earth is ancient
earth's solid relatively low-density outermost layer of rock…
Geology
the study of Earth's structures, materials, and processes
Uniformitarianism
the belief that all geologic processes are natural, have alwa…
30 terms
8th grade science chapter 4
The layer of rock around the earth is…
The water sphere of earth is known as?
The air and the gases sphere is called?
A plant requires moisture, oxygen, car…
lithosphere
hydrosphere
atmosphere
abiotic factors
The layer of rock around the earth is…
lithosphere
The water sphere of earth is known as?
hydrosphere
80 terms
Abeka 8th grade Science SES chapter 4
the process by which rock are broken d…
is the breakdown of large rocks into f…
does not change the chemical compositi…
(one example of physical weathering:)…
weathering
physical weathering
Physical weathering
ice wedging
the process by which rock are broken d…
weathering
is the breakdown of large rocks into f…
physical weathering
67 terms
Abeka 8th Grade Science Chapter 4
physical weathering
ice wedging
exfoliation
chemical weathering
the breakdown of large rocks into fragments by physical force…
occurs when rain water or melted ice soaks into tiny cracks i…
involves the breaking of peeling away of rock in layers
when minerals in rock react chemically with air or water they…
physical weathering
the breakdown of large rocks into fragments by physical force…
ice wedging
occurs when rain water or melted ice soaks into tiny cracks i…
24 terms
8th Grade Physical Science Chapter 4 Test Notes
two or more substances combined that k…
A solid solution of a metal or nonmeta…
2 or more elements join together chemi…
Flammability and reactivity are
mixture
alloy
compound
chemical properties
two or more substances combined that k…
mixture
A solid solution of a metal or nonmeta…
alloy
31 terms
8th Grade Science Chapter 4
Work
Work; force
Force/distance
Force; distance
When you exert a force on the object to move some distance
In order for you to do ________ on an object the object must…
Work=________\_________
The amount of work done on an object can be determined by mul…
Work
When you exert a force on the object to move some distance
Work; force
In order for you to do ________ on an object the object must…
44 terms
Abeka science 8th grade 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 involves the breaking or peeling away of r…
A pillarlike structure of rock formed when the middle of a se…
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
19 terms
Chapter 4 science 8th grade
Stress
Tension
Compression
Shearing
A force that acts on rock to change its shape or volume.
Stress that stretches rock so that it becomes thinner in the…
1. Stress that squeezes rock until it folds or breaks. 2. The…
Stress that pushes masses of rock in opposite directions, in…
Stress
A force that acts on rock to change its shape or volume.
Tension
Stress that stretches rock so that it becomes thinner in the…
40 terms
Science 8th grade Chapter 4
element
pure substance
metals
nonmetals
A pure substance that cannot be broken down into other substa…
A substance made up of only one type of matter. Elements and…
hard, shiny, malleable, ductile, and good conductors of heat…
a gas or brittle solid at room temperature, is not a malleabl…
element
A pure substance that cannot be broken down into other substa…
pure substance
A substance made up of only one type of matter. Elements and…
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
19 terms
Chapter 4 Science 8th Grade
alpha
beta
gamma
half-life
particles of two protons and two neutrons given off by nucleus
positive or negative particles with almost 0 mass are given o…
The release of gamma rays from the nucleus
The time required for half of the nuclei of a radioactive iso…
alpha
particles of two protons and two neutrons given off by nucleus
beta
positive or negative particles with almost 0 mass are given o…
24 terms
8th Grade Chapter 4 Science
Solar system
Astronomical unit
Planet
Dwarf planet
Consist The sun, the planets, their moons, and a variety of s…
Equals the average distance between Earth and the sun, about…
Must be round, orbit the sun, and have cleared out the region…
An object that orbits the sun and has enough gravity to be sp…
Solar system
Consist The sun, the planets, their moons, and a variety of s…
Astronomical unit
Equals the average distance between Earth and the sun, about…
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