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32 Cards in this Set
- Front
- Back
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________________________ is anything that has mass and takes up space.
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MATTER
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_____________________________________ are characteristics of a substance (like color, size, solubility, or density) that can be observed or measured without changing the substance into something else.
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PHYSICAL PROPERTIES
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_____________________ is the amount of matter in an object.
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MASS
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_____________________ is a measure of the pull of gravity on an object.
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WEIGHT
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Weight is measured on a _________________________ scale.
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SPRING
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Mass is measured on a __________________________.
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BALANCE
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_________________________ is the amount of space that an object takes up.
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VOLUME
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You can measure the volume of a solid object by placing the object in a graduated cylinder with water and measuring how much water is ______________________________.
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DISPLACED
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____________________ is the concentration of matter in an object.
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DENSITY
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You can divide the mass of an object by its volume to find the object’s __________________________.
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DENSITY
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A pure substance always has the _____________________ density when measured under the same conditions.
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SAME
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True or False: The density of an object is a physical property.
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TRUE
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True or False: Changing the shape and amount of an object will also change its density.
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FALSE
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A ________________________ is a combination of two or more different kinds of matter, each of which keeps its own physical properties.
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MIXTURE
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Sometimes the ability to be dissolved, or ___________________, can be used to identify a substance.
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SOLUBILITY
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True or False: A solution is a type of mixture.
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TRUE
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A person's weight is _______________ on a high mountain than it is at sea level.
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DIFFERENT
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A _______________________ has a definite shape and a definite volume. The particles are tightly packed together.
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SOLID
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A ________________________ has a definite volume but no definite shape The particles are not packed together and slide over one another.
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LIQUID
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A ______________________ does not have a definite shape or volume. The particles are far apart.
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GAS
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_________________________ changes a substance from a liquid to a gas.
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EVAPORATION
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____________________ changes a substance from a gas to a liquid.
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CONDENSATION
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_________________ changes a liquid to a solid.
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FREEZING
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Changes in which no new substances are formed are
_______________________ changes. |
PHYSICAL
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Changes in which one or more new substances are formed are called _____________________ changes or reactions.
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CHEMICAL
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Production of heat, light, or gas, or a change in color are signals of a ______________ change or reaction.
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CHEMICAL
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The ability of a substance to react chemically or go through a chemical change is called _________________________.
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REACTIVITY
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The ability of a substance to burn is called ____________________.
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COMBUSTIBILITY
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True or false: Rusting iron is a physical change.
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FALSE
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________________ tests can be used to identify substances based on the color of the flame they produce.
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FLAME
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The strength of acids and bases can be measured using dyes called ________________________.
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INDICATORS
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An ______________________ is a combination of a metal and other substances, such as oxygen, sulfur, carbon, or silicon.
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ORE
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