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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