weather and force and motion study cards
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| Energy exists in what two states? | kinetic and potential
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| What is the energy of motion? | kinetic energy
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| Moving objects have what type of energy? | kinetic energy
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| Which energy is stored (or waiting to be used) energy? | potential energy
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| A rock on top of a hill has what type of energy - potential or kinetic? | potential energy
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| A book on a shelf has what type of energy - potential or kinetic? | potential energy
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| How fast an object moves in a certain amount of time is called what? | speed
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| Any push or pull that causes an object to move, stop, or change speed or direction is called? | force
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| To mov e a large (massive) object you will need greater or lesser force? | greater
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| forces are measured in units called? | Newtons
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| Newtons are named after what British scientist who explained how force and motion are related? | Sir Isaac Newton
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| What works against (opposes) motion and causes objects to slow down and stop? | friction
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| Unless acted upon by a force, objects in motion tend to stay in motion or remain at rest? | stay in motion
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| Unless acted upon by a force, objects at rest tend to stay at rest or in motion? | stay at rest
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| What property of matter states that an object at rest will stay at rest, and an object in motion will remain im motion unless acted upon by an outside force? | Inertia
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| What force is pulling you toward the Earth's surface? | gravity
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| What is the force that is used to move an object a certain distance called? | work
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| What is the ability to do work (either to mak an object move or to change matter) called? | energy
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| What instrument measures air pressure? | barometer
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| What instrument measures wind speed? | anemometer
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| What instrument measures precipitation (water)? | rain gauge
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| What instrument measures the temperature of the air? | Thermometer
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| What instrument tells the direction of the wind? | weather vane
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| What is the Water Cycle? | The never-ending movement of water through evaporation, condensation, and precipitation.
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| What is condensation? | Whater particles lose heat energy, slow down, and change from a gas to a liquid (condense).
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| What is the measure of the amount of heat energy in the atomosphere? | temperature
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| What is due to the weight of the air and is determined by several factors including the timperature of the air? | air pressure
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| Large regions of air with the same weather are called? | air masses
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| What is the boundary between air masses of different temperature and humidity? | a front
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| What is it called when a warm air mass pushes into a cold air mass usually causing light rain? | warm front
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| What is it called when a cold air mass pushes into a warm air mass often causing violent weather? | cold front
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| What isis it called when air masses (warm or cold) don't move? | stationalry front
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| What are associated with certain weather conditions and are maide up of tiny droplets of necdensed water in the atmosphere? | clouds
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| What are te feathery cluds associated with fair weather and often indicate that rain or snow will fall within serveral hours? | cirrus clouds
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| What are smooth, layered, gray cluds that cover the whole sky (blockout direct sunlight) and usually associated with light rain and drizzle? | stratus clouds
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| What are the white, fluffy cluds with flat bottoms that usually indicate fair weather, howver, when they get larger and darker on the bottom, they produce thunderstorms? | cumulus clouds
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| What are larger and darker cumulus clouds that produce thunderstorms called? | cumulus-nimbus
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| Extreme atmospheric conditins can create these kinds of storms? | thunderstorms, hurricanes, and tornadoes
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| What is a measurement of how much water vapor is in the air? | humidity
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| What type of scientist uses data to predict weather patterns? | meteorologist
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