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IKE - 2013 STAAR Science 8th Grade
Terms in this set (86)
A form of energy that is stored in a system or object
A substance that allows the flow of electric charge or transfers thermal energy through matter
A form of energy produced through reactions that occur in chemical compounds
A form of energy that sums the motion and position of an object or the parts of a mechanical system
Energy of motion
A unit used to measure energy
The type of energy from the sun
A form of energy internal to matter as the total kinetic energy of tiny particles of matter. Heat energy!
The change of energy from one form to another, kinetic to potential or potential to kinetic.
A substance that resists electric current or a material that resists the flow of heat
A form of energy made by vibrations and requires a medium in order to travel
Law of conservation of energy
Energy can never be created or destroyed, it just changes form
A push or a pull that can change the motion of an object
A change in an object's position, direction, or location
The measurement of the rate of change of position with respect to time
The overall speed at which an object moves
water found under the earths surface
water found on earth's surface like; lakes, rivers, etc
the process of changing from a gaseous to a liquid or solid state
the change of a substance from a liquid to a gas
Any form of water that falls from clouds and reaches Earth's surface.
(geology) the mechanical process of wearing or grinding something down (as by particles washing over it)
a large ice mass that moves slowly down a mountain or over land
a break in Earth's crust where masses of rock slip past each other
The transfer of thermal energy by the circulation or movement of a liquid or gas
boundary between two colliding plates, often associated with mountain building, ocean trenches, and volcanic islands
the thin and solid outermost layer of the Earth above the mantle
The amount of matter in a given space, mass divided by volume
An opening in Earth's crust where lava, ash, and gases erupt. Often caused by a subduction boundary.
The chemical and physical processes that break down rock at Earth's surface
The process that breaks down rock through chemical changes
the type of weathering in which rock is physically broken into smaller pieces
A landform made of sediment that is deposited where a river flows into an ocean or lake
any weathering that's caused by the activities of living organisms.
process in which sediment is laid down in new locations
height of land above sea level
water from rainfall that is not absorbed into the soil and instead flows into streams or lakes
Earth materials deposited by erosion.
(geology) any land whose surface gradually rises in a general direction
the liquid layer of the Earth's core that lies beneath the Mantle and surrounds the inner Core
plate tectonics theory
Earth's upper crust consists of individual plates that interact in various ways and produce earthquakes, volcanoes, mountains and the crust itself
Sections of the Earth's crust that move due to convection currents.
energy that is radiated or transmitted in the form of rays or waves or particles
A deep crack in the earth's surface
an area of land that drains into a body of water
The soft layer of the mantle on which the lithosphere floats
a force that slowly wears away mountains and other features on the surface of Earth
a plate boundary where two plates move away from each other
the solid part of the earth consisting of the crust and outer mantle
when two oceanic plates pull apart, magma rises and new crust is formed
vibrations that travel through Earth carrying the energy released during an earthquake
when a denser ocean plate slides below a lighter continental plate
a plate boundary where two plates move past each other in opposite directions
The vibration of earth produced by the rapid release of energy.
solid, dense center of the Earth
magma that reaches Earth's surface
the layer of hot, solid material between Earth's crust and core
Large divergent boundary in the middle of the Atlantic Ocean, reason for sea floor spreading, located with a huge volcanic mountain range
an undersea mountain chain where new ocean floor is produced; a divergent plate boundary
ROTATE / ROTATION
the spinning motion of a body on its axis
REVOLVE / REVOLUTION
an elliptical motion of a body as it ORBITS ANOTHER BODY in space
the path of an object as it revolves around another object in space.
0 degrees latitude
an imaginary line that passes through Earth's center and the North and South poles, about which Earth rotates
one half of the sphere that makes up earth's surface
A force that pulls objects toward each other
TIDE (HIGH / LOW)
high tide-sea level at its greatest hight occurs two times per day.
Low tide is sea level at its lowest height occurs two times per day
A sequence of phases of the moon as it revolves around the Earth once every 29.5 days.
moon phase that occurs when the Moon is between Earth and the Sun; the Moon cannot be seen because its lighted half is facing the Sun and its dark side faces Earth
phase that occurs when all of the Moon's surface facing Earth reflects light
To increase gradually in size. The illuminated part of the moon is getting bigger.
describes phases that occur after a full moon, as the visible lighted side of the moon shrinks smaller
the phase of the Moon when a thin part of the Moon's near side is sunlit
more than half, but less than fully illuminated
two or more forces that are not equal and opposite of one another; can cause change in motion
two or more forces that are equal and opposite of one another; do not cause change in motion
the tendency of an object to resist being moved or, if the object is moving, to resist a change in speed or direction until an outside force acts on the object
A measure of the amount of matter in an object
the rate at which velocity changes over time
force times distance
Ramp / inclined plane
allows heavy objects to be moved up or down using less effort over a greater distance
Ability to do work or cause change
the equal and opposite force that is produced when any force is applied to a body
the direct transfer of heat from one substance to another substance that it is touching
the energy released by a nuclear reaction
the energy of moving electric charges
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