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66 Cards in this Set
- Front
- Back
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to pull toward another object
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attract
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dropping, hitting, or heating a magnet removing its force
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demagnetizing
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an object that sticks to iron (steel), cobalt, or nickel
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magnet
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sticks to things with iron(steel), cobalt, or nickel
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magnetic
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the area of force around a magnet
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magnetic field
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the push or pull of magnets
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magnetic force
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materials that are attracted towards magnets
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magnetic materials
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all magnets have two ends a north and a south pole where the force is the strongest
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magnetic poles
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a special kind of force that comes from a magnet
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magnetism
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to push away
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repel
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An upward force that keeps materials afloat.
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buoyancy
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The amount of matter in an object.
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mass
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Anything which has mass and occupies space.
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matter
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A characteristic which helps identify an object.
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property
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The amount of space an object takes up.
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volume
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a state of matter that has definite shape and definite volume
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solid
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a state of matter in which the substance takes both the shape and volume of the container
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liquid
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a state of matter in which the substance has volume, but no definite shape
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gas
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formed when two or more substances are mixed together, without creating a new substance
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Mixture
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A type of matter or material.
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substance
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a unit of measurement for temperature on a scale such as Celsius or Fahrenheit
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degrees
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A temperature scale with the freezing point of water 32 degrees and the boiling point of 212 degrees
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Fahrenheit
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Metric unit for measuring temperature; On this scale water freezes at zero and boils at 100.
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Celsius
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a series of equally divided sections that are marked or numbered for the use of measurement
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scales
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A measure of how hot or cold an object is.
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temperature
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A device used to measure temperature.
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thermometer
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a paper or cloth disc used to seperate solids from liquids in a mixture
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filter
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A bowl-shaped tool with holes that traps solid substances while allowing liquids to pass through-much like a sieve
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strainer
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Round-shaped pans with wire mesh covering one end.
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sieves
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A change in some of the properties of a substance that does not create a new kind of matter.
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physical change
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when a liquid changes to a solid
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freezing
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when a gas changes to a liquid
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condensation
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when a solid changes to a liquid
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melting
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when a liquid changes to a gas
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evaporation
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Water in the air in any form, such as rain, snow, or sleet, that falls to the Earth's surface.
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precipitation
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A scientist who studies and predicts weather conditions.
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meteorologist
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A measure of the energy of the moving particles of air.
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air temperature
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Molten rock deep beneath the earth's surface
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Magma
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The break down of rock into smaller pieces by water or ice, or by weather, such as changes in temperature
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weathering
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A mixture of sand, silt, clay, humus, water, and air found on the Earth's surface.
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soil
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The gradual breaking down and carrying away of rock and soil due to flowing water, ice or wind.
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erosion
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Decayed remains of plants and animals that provide minerals for plants
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humus
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Molten rock that pours out of a volcano onto the Earth's surface
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lava
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The gradual breaking down and carrying away of rock and soil due to flowing water, ice or wind.
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erosion
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The sections of rock which Earth's crust is made of
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Tectonic Plates
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The ability to make matter move or change
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energy
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a non-living solid that has a definite chemical formula and crystal shape
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mineral
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Molten rock that pours out of a volcano onto the Earth's surface
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lava
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The push or pull that can cause movement
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force
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The sections of rock which Earth's crust is made of
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Tectonic Plates
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The ability to make matter move or change
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energy
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a naturally formed solid that is usually made up of one or more minerals
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rock
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A narrow river valley with very steep edges
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canyon
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A landform that is higher than the land surrounding it with sloping side and a peak on top.
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mountain
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Large area of flat lands
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Plains
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a force that pulls objects with mass toward itself
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gravity
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Natural cavities in the Earth that open to the surface.
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caves
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Naturally occurring physical features on the Earth's surface
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Landforms
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A landform that is higher than the land surrounding it. It has a rounded top and is much smaller than a mountain.
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Hill
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Lowlands found between mountains, hills, and plateaus.
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Valleys
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when a gas changes to a liquid
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condensation
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A boundary between tectonic plates which appear as cracks on the Earth's surface.
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fault
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small loose pieces of rock that are smaller than sand but larger than clay
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silt
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small loose pieces of rock that are smaller than gravel but larger than silt
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sand
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small rock sometimes found in soil
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gravel
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very small particals of rock that are fromed when rocks are broken by water and substances in the air
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clay
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