Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Energy Test.
| Question | Answer |
|---|---|
| What is energy? | The ability to do work or cause change |
| What is work? | The force exerted on an object that causes it to move, and the transfer of energy from one object to another. |
| What are the two kinds of energy? | Kinetic and Potential |
| What is kinetic energy? | the energy that an object has due to its motion. |
| What are some examples of kinetic energy? | sports, a bowling ball, canoeing |
| What is potential energy? | the energy that is stored an held in readiness. |
| What are some examples of potential energy? | pulling back a bow an darrow, pulling back a rubber band, pulling a spring, a balanced rock on the edge of a cliff |
| What are the six different forms of energy? | Mechanical, thermal, chemical, electrical, electromagnetic, and nucleur |
| What is mechanical energy? | the energy associated with the motion or position of an object |
| Is mechanical energy kinetic, poptential, or both? | Both |
| What are examples and uses of mechanical energy? | school bus, leaping frog, running |
| What is thermal energy? | heat |
| Is thermal energy kinetic, potential, or both? | Both |
| What are some examples and uses of thermal energy? | ice cream melting, water evaporation |
| What is chemical energy? | the potential energy stored in chemical bonds that hold chemical compounds together |
| Is chemical energy kinetic, potential, or both? | potential |
| What are some examples and uses of chemical energy? | chocolate, wood, wax, candle, glucose, crude oil |
| What is electrical energy? | Electricity produced by moving electric charges |
| Is electrical energy kinetic, potential, or both? | Both (mostly kinetic) |
| What are some examples and uses of electrcal energy? | batteries, power lines, computers |
| What is electromagnetics energy? | The light you see everyday. It travels in waves. |
| Is electromagnetic energy kinetic, potential, or both? | Kinetic |
| What are some examples and uses for electromagnetic energy? | visible light, ultraviolet radiation, microwaves |
| What is nucleur energy? | Stored in the core, or nucleus, of an atom |
| Is nucleus energy kinetic, potential, or both? | potential |
| What are some examples and uses of nucleur energy? | nucleur fussion in stars, nucleis power plants |
| When a substance changes from a solid to a liquid, __________ occurs. | melting |
| A solid, a liqui, amd a gas are all examples of a(n) _____ of matter | state |
| The change of state from a gas to a liquid is called ____________ | condensation |
| When vapoization takes place below the surface of a liquid at higher temperature, it is called ___________. | boiling |
| When vaporization takes place on the surface of a liquid, it is called______________. | evaporation |
| The process by which matter changes from a liquid to a solid is called _________________. | freezing |
| A(n) _____ is a device that regulates heat. | thermostat |
| The expanding of matter when it is heated is known as ________. | Thermal expansion |
| The physical change from one state of matter to another is called ___________. | Change of state |
| The change of state from a liquid to a gas is called ______. | vaporization |
| A strip of two different metals joined together is called a(n) ___________. | bimetallic strip |
| The ______ is the part of an experiment that is not being testd and is used for comparison | control |
| The ____ describes the steps you use during an experiment | procedure |
| After an experiment, scientists write a ____ which summarizes their experiment and results | conclusion |
| The _________ ________________ is a process used by scientists to find answers to questions or solve a problem | scientific method |
| The ___ variable is the part of the experiment that is being tested or the part that is changed by the person doing the experiment | independent |
| The ___ is an educated guess | hypothesis |
| Scientists use their data to make charts and ___ to communicate the results of an experiment | graphs |
| After the scientist makes a hypothesis, they perform an ___ to collect data | experiment |
| The first step of the scientific method is to define or identify the ___ | problem |
| The ____ variable is the part of the experiment that is affected by the independent variable | dependent |
| After the experiment,scientists organize and ____ the data | analyze |
| The information collected during an experiment is called | data |
| Scientists make ____ to help them make a hypothesis or collect data during an experiment | observations |
| How is a current different from a wave? | A current is a stream of moving water and carry water great distances. Waves dont actually transport water |
| Why do surface currents move in circles? | Surface currents move in circles due to the coriolis effect, causing the paths of the winds and currents to curve |
| what are similarities between surface current and deep currents? | Both move water long distances. Both are caused in some way by the sun's thermal energy and are shaped by the coriolis effect. |
| What are diffences between surface currents and deep currents? | Surface currents are drivenbywindsand locationofthecontinents,deepcurrentsare formedbythedifferencesindensityandshape oftheoceanfloor,deepcurrentsaredeepinthe oceanbutsurfacecurrentsareonlyontopfew hundredmeters,deepcurrentsmoveslowerthan surfacecurrents. |
| What is solar energy? | It is mostly visible light and infrared radiation with a small amount of ultraviolet radiation |
| What happens to sun's energy that reaches the earths's surface? | Earth surface absorbes solar energy that heats land and water. Some of the absorbed energy is radiated back into the atmosphere, some more enery that reaches the surface is relfected back into the atmosphere |
| What happens to the sun's energy that is in the atmosphere? | Clouds, dust and gases in the atmosphere reflect and scatter light and gases and particles in the atmosphere absorb solar energy |
| What is radiation? | The direct transfer of energy by electromagnetic waves |
| What are some examples of radiation? | The warmth of the sun's rays on your face and heat you feel near a fire place |
| What is conduction? | The direct transfer of heat from one substance to another that it is touching |
| What are some examples of conduction? | Burning you feet on hot sand and grill marks from where a ham burger is touching the grates of a grill |
| What is convection? | The tranfer of heat by the movement of a fluid that is either a gas or a liquid |
| What are some example of convection? | Drying a towel by a hot air vent even though the furnace is in another room and the warmer water of the coast of Ireland brought by the Gulf Stream. |
| How is air temperature usually measured? | With a thermometer |
| At what temperature on the Celsius scale does pure water freeze? At what temperature does it boil? | 0 degrees celsius, 100 degrees celsius |
| Name the three ways that heat is transferred. | Radiation, conduction, convection |
| How is heat tranferred from the sun to the Earth? | radiation |
| What causes most of the heating of the troposphere? | convection |
| The total energy of motion in the molecules of a substance is called____ | thermal energy |
| ____ is the average amount of energy of motion in the molecues of a substance | temperature |
| The energy transferred from a hotter object to a cooler one is referred as as ___ | heat |
| The direct tranfer of heat from one substance to another substance that it is touching is called ____ | conduction |
| The tranfer of heat by the movement of a fuluid is called ____ | convection |
| What causes winds and why | The inequal heating of earth's surface causes winds because it causes differences in air pressure. the areas of high pressure and low pressure causes winds |
| A ____ is a horizontal movement of air from an area of high pressure to an area of lower pressure | wind |
| Wind speed is measured with an ____. | anemometer |
| The increased cooling that a wind can cause is called the __. | wind chill factor |
| The flow of air from an ocean or a lake to the land is called a ____ | sea breeze |
| Sea and land breezes over a large region that change direction with the seasons are called ____ | monsoons |
| The flow of air from land to a body of water is called ___ | land breeze |
| The way earth's rotation makes winds curve is called the___ | coriolis effect |
| Bands of high-speed winds about 10 kilometers above Earth's surface are called ____. | jet streams |
| What are characteristics of tornadoes? | often last for about 10 minutes, hard to see, swirlind dust of debris, can be a few hundred meters across, can move at speeds of 480km/h or 744 mi/h, funnel shaped, strong winds, deadly, range of colors and sizes |
| When do tornadoes form? | Usually in the late afternoon in late spring and early summer when thunderstorms are likely and when warm air an dcold air collide |
| Where do tornadoes form? | They occur most frequently in the US and in tornado alley. They occur in every continent except Antarctica. |
| What destruction do tornadoes cause? | They scatter debris many miles away, destroy everything in its path, move very large objects like cars, uproot trees, and cause death or injuries. |
| Describe how energy from the sun can be transformed into the energy in fuel for your car. | The sun's energy is used by plants during photosynthesis to make glucose. Plants and animal bodies are uried under mud and sand and converted by heat and pressure into crude oil that is used by humans for fuel for cars.This process takes millions of years |
| List products we make from crude oil. | Gasoline, asphalt, clothing, plastic, diesel fuel |
| describe the path of energy from the sun to a lightbulb by a way of a lightbulb. Which form is the energy being converted into in each step? | Nucleur energy turns into electromagnetic energy.Electromagnetic energy turns into thermal energy.Thermal energy is converted into mechanical energy.Mechanical turns into electric and electric energy turns into electromagnetic energy for the lightbulb. |
| What happens to water that gains energy? | Water evaporates and turns to gas. |
| What happens to water vapor that loses energy? | Gas condenses and turns to liquid. |
| Descibe what happens when cold water is on top of warm water and why this happens. | The warm and cold water mix together because warm water rises. Cold water absorbs thermal energy and warm water gives off thermal energy. |
| Describe what happens when warm water is on top of cold water and why this happens. | The warm water didn't really mix with the cold what because warm water can't rise any farther. |
| What drives deep water currents? | thermal energy |
| What drives surface currents? | Wind |
| Describe the location and temperature of the Gulf Stream. | The Gulf Stream is in the East Coast, and it consists of warm water. |
| Describe 2 impacts that surface currents can have on the people or environment. | They can affect the climate of different places, and they can affect transportation for ships. |
| What form of energy do we get from the sun? | Thermal and electromagnetic energy |
| Describe the types of heat transfer that takes place from the sun to the atmosphere. | The warmth of the suns rays is an example of radiation.The path from the sun to Earth in the atmosphere is heated.Burning your feet on hot sand that was burned by the sun is conduction.Feeling water warmed by the sun is convection.Hot evaporated water. |
| What is wind? | The horizontal movement of areas of high pressure to areas of low pressure. |
| Which is denser, cold or warm air? | cold air |
| Which has greater pressure, cold or warm air? | cold air |
| If the air over the ocean if 22 degrees and the air over the land is 28 degrees, which way will the wind bow, why, and what do we call it? | The wind will blow from the sea to the land because the area above the sea has cold air, resulting in high pressure. The area with less pressure is on the land, creating a sea breeze. |
| Why do the tradewinds move to the west instead of moving to the north or south towards the equator? | Earth revolves, and the Coriolis Effect |
| Name the calm areas between the Prevailing Westerlies and the Tradewinds. | Horse latitudes. |
| Name the calm area between the North Tradewinds and the SOuth tradewinds. | doldrums |
| What are tornadoes? | A violently rotating column of air that is in contact eith both the surface of the Earth and a cumulonimbus cloud. |
| Where is tornado alley located? | Midwest, middle of the USA |
| What is the Coriolis Effect? | The effect of Earth's rotation on the direction of the winds and currents. |
Created by:
Katrina1212
Popular Earth Science sets