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Science-2ndSemExam

Question	Answer
__________ energy is energy that is stored	potential
The Law of Conservation of Energy states that energy cannot be __________ or _____________ only transformed or transferred.	create or destroyed
All energy tranformations and energy tranfers result in the the formation of some _________ energy.	thermal
An arrow is shot into the air, the sum of the potential energy and the kinectic energy of the arrow _____________________.	remains the same
_____________ is a force that reduces kinetic energy and roduces heat.	friction
When a ball is thrown into the air, its kinetic enrgy is at its lowest at the _______________point.	hightest point
When you say something feels hot, you are feeling the transfer of ________________energy.	thermal
Lsit the the three types of heat transfer	convection, conduction, and radiation
______________________ is the tranfer of thermal energy air or a fluid through currents.	convection
_____________reduces friction's creation of thermal energy	lubricant
____________the transfer of energy through electromagnetic waves.	radiation
_____________is the transfer of thermal energy through direct contact.	conduction
Energy transfers for a flashlight starts with chemical energy and transforms to _______________ energy, then ___________energy, then _______________ and ____________ energy.	mechanical, electric, radiant, and thermal
Energy tranfers for a fire starts with chemical energy and transfers to ________________energy, then transfer to ___________energy.	radient, thermal
Energy transfers for a hair dryer starts with electric energy then transfers to ____________energy, then to _____________ and ____________energy.	mechanical, thermal, and radiant
Thermal enrgy can move easily through ____________ (ex. a metal pan)	conductors
thermal energy has a more difficult time moving through __________________. (ex. a thermos)	insulators
Write the Law of Conservation of Energy	energy cannot be created or destroyed only transferred or transformed
Heat always moves from ___________ object to ________ objects until the objects are at _________ temperature.	warm, cold, room
6 types of simple machines	wedge, screw, wheel&axle, pulley, lever, inclined plane
Tool to measure force is called a ______________ _______.	spring scale
A simple machine that is sloping is __________ ___________.	incline plane
A pulley you attach to a structure _____________________.	fixed pulley
______________a push or a pull that can change the motion of an object	force
___________ is the SI unit for force	newton
The object to be moved using a machine is called the _______.	load
A device consisting of a wheel over which a rope or chain is pulle din order to lift heavy object is called a _________.	pulley
___________ ________ is a combination of fixed and movable pulleys.	pulley system
Lsit 3 objects that are examples of a wedge	butterknife, shovel, nail
__________ is a force that moves an object	work
The point upon which a lever rotates is the _________	fulcrum
From the outside to the inside of the earth the layers.	crust, lithosphere, asthenosphere, mantle, outer core, and inner core
The thin solid outermost layer of Earth; made of less dense silicates and is continental (landmasses) or oceanic (Ocean bottoms) is a called the __________.	crust
The solid layer of the Earth between the crust and the core; made of dense silicates is called the __________.	mantle
The condition of material in the Asthenosphere, existing in a solid state yet having the ability to flow without being a lquid is called ___________.	plasticity
_______________is the cool rigid, outermost layer of Earth that consists of the crust and the uppermost part of the mantle; pieces of this layer are called lithosphere plates.	Lithosphere
_______________ ________ is teh sphere of solid nickel and iron at the center of Earth; surrounded by the liquid outer core.	Inner core
Three things that could be used to model the layers of the Earth	peach, hardboiled egg, baseball
plate boundaries that move toward each other	convergent plate boundaries; an example is the Himalayan Mountains
plate boundaries that move away from each other	divergent plate boundaries; and example is the African Rift Valley
plate boundaries that slide past each other	transform plate boundaries; examples are the San Andreas & the New Madrid
the 7 major tectonics plates	Eurasian, North American, Antarctic, African, South American, Indo-Australian
Mountain building usually occurs at ___________ plate boundaries.	convergent
The three types of rocks are	igneous, sedimentary, and metamorphic
Rocks formed by the cooling of lava or magma	igneous
Rocks formed from other rocks under extreme heat and pressure	metamorphic
Rocks formed from sediments that are pressed together through compaction and cementation.	sedimentary
_______________ is broken bits of rock. This can be rock fragments, minerals, or organic material (ex. barkk or leaves from a tree)	sediments
Melted rock or crust under the Earth's surface	magma
the process in which a rock changes and forms into other rocks	The Rock Cycle
a melted rock or crust on or outside the earth's surface (ex. volcancoes erupt this)	lava
_____________ is the force that controls the orbit of all objects in the Solar System	gravity
The inner planets are made of ________ and _______ have a solid outer layer.	rock and metal
List the four Galilean Moons	Io, Europa, Ganemede, Callisto
The smallest planet	Mercury
The planet with the volcano higher than Mt. Everest	Mars
The outer planets are often	Gas Gaints
The first satellite to enter Earth's orbit	Sputnik I
____________are made of rock,ice, and dust.	comets
The two gases that make up most of the outer planets	Helium and Hydrogen
The asteroid belt is located between the two planets	Mars and Jupiter
What planet is about the same size as Earth	Venus
The _____________________ __________________ was an important part of the U.S. space program for over 20 years.	Space Shuttle
Humans have not landed on ___________.	Mars
N.A.S.A. stands for	National Aeronutics Space Administration
The earth orbiting laboratory where astronauts work and live	International Space Station
The Outer Planets	Jupiter, Saturn, Uranus, and Neptune
The Inner Planets	Mercury, Venus, Earth, Mars
_______________is the hottest planet and its rotation is longer than its revolution.	Venus
_________ is when a planet turns on its axis.	Rotation
__________ is when a planet ompletes its orbit around the sun.	Revolution
Mercurty does not have an atomosphere because there is not enought	gravity
________ is a small, rocky particle that moves through psce.	Meterite
________ is a streak of light in Earths atmosphere made by a glowing meteriod.	Meteor
________ is a meteoroid that strikes a planet or moon.	Meteorite

Created by: jschroeder4

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