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32 Cards in this Set

  • Front
  • Back
________________________ is anything that has mass and takes up space.
MATTER
_____________________________________ are characteristics of a substance (like color, size, solubility, or density) that can be observed or measured without changing the substance into something else.
PHYSICAL PROPERTIES
_____________________ is the amount of matter in an object.
MASS
_____________________ is a measure of the pull of gravity on an object.
WEIGHT
Weight is measured on a _________________________ scale.
SPRING
Mass is measured on a __________________________.
BALANCE
_________________________ is the amount of space that an object takes up.
VOLUME
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 ______________________________.
DISPLACED
____________________ is the concentration of matter in an object.
DENSITY
You can divide the mass of an object by its volume to find the object’s __________________________.
DENSITY
A pure substance always has the _____________________ density when measured under the same conditions.
SAME
True or False: The density of an object is a physical property.
TRUE
True or False: Changing the shape and amount of an object will also change its density.
FALSE
A ________________________ is a combination of two or more different kinds of matter, each of which keeps its own physical properties.
MIXTURE
Sometimes the ability to be dissolved, or ___________________, can be used to identify a substance.
SOLUBILITY
True or False: A solution is a type of mixture.
TRUE
A person's weight is _______________ on a high mountain than it is at sea level.
DIFFERENT
A _______________________ has a definite shape and a definite volume. The particles are tightly packed together.
SOLID
A ________________________ has a definite volume but no definite shape The particles are not packed together and slide over one another.
LIQUID
A ______________________ does not have a definite shape or volume. The particles are far apart.
GAS
_________________________ changes a substance from a liquid to a gas.
EVAPORATION
____________________ changes a substance from a gas to a liquid.
CONDENSATION
_________________ changes a liquid to a solid.
FREEZING
Changes in which no new substances are formed are

_______________________ changes.
PHYSICAL
Changes in which one or more new substances are formed are called _____________________ changes or reactions.
CHEMICAL
Production of heat, light, or gas, or a change in color are signals of a ______________ change or reaction.
CHEMICAL
The ability of a substance to react chemically or go through a chemical change is called _________________________.
REACTIVITY
The ability of a substance to burn is called ____________________.
COMBUSTIBILITY
True or false: Rusting iron is a physical change.
FALSE
________________ tests can be used to identify substances based on the color of the flame they produce.
FLAME
The strength of acids and bases can be measured using dyes called ________________________.
INDICATORS
An ______________________ is a combination of a metal and other substances, such as oxygen, sulfur, carbon, or silicon.
ORE