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60 Cards in this Set
- Front
- Back
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measurement standard is defined as
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exact quality people agree to use for comparison
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kilo means
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1,ooo
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Milli means
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0.001
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correct symbol for the Si unit of temperature
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K
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SI unit to measure time
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second
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variable plotted on the horizontal or x-axis is
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independent variable
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How many meters are there in 1,865 cm
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18.65
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in a graph showing temperature change of a material over time, temperature change is the
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dependent variable
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the best type of graph to use to show how some fixed quantity is broken down into parts is
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circle graph
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one benefit of the SI system is that is is
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based on multiples of ten
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A beaker contains 0.32L of water. What is the volume of this water in milliliters?
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320 ml
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a box is 25 cm long, 6 cm wide and 4 cm high
Ho many cubic centimeters of water can it hold? |
600
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the light bulb is an example of: a. dependent variable b. an exercise c. pure science d. technology
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technology
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another term for technology
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applied science
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process of gathering information through the senses is called
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observation
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when designing an experiment, the first step is to
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state the problem
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a rule or principle that describes what happens in nature is a. hypothesis b. problem c. scientific law d. theory
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theory
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An idea, event, or object can be represented by a ______to help people better understand it. a. constant b. hypothesis c. law d. model
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model
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in an experiment to determine whether the popping of popcorn is affected by the temperature at which it is stores, counting the popped kernels is an example of a(n)____________. a. conclusion b. control c. hypothesis d. observation
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observation
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a standard for comparison that helps to ensure that the experimental result is caused by the condition being tested is the ________.
a. constant b. control c. dependent variable d. hypothesis |
control
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A factor in an experiment that changes from the manipulation of the independent variable is the___.
constant control hypothesis dependent variable |
dependent variable
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A factor that does NOT change in an experiment is the ______. a. constant b. control c. dependent variable d. hypothesis
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constant
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Studying the effect of one thing on another in order to test a hypothesis is a(n)____.
a. exercise b. experiment c.constant d.problem |
experiment
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A factor that is manipulated in an experiment to change the dependent variable is the ________.
a. constant c.control b. dependent variable or c. independent variable |
independent variable
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The application of scientific knowledge to help people is___.
a. a discovery c.pure science b. a hypothesis d. technology |
technology
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matter that has a definite volume and a definite shape is a __________.
gas plasma liquid or solid |
solid
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a gas -like mixture with no definite volume or shape that is made up of positively and negatively charged particles is a _______.
a. gas b. liquid c.plasma d. solid |
plasma
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matter in which atoms are tightly held in place is a_______.
gas plasma liquid or solid |
solid
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matter with no definite volume and no definite shape is a ________.
a. gas b.liquid c. plasma d. solid |
gas
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matter that has a definite volume but no definite shape is a_________.
a.gas b. liquid c.plasma d. sollid |
liquid
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Matter in which the particles are free to move in all directions until they have spread evenly thought=out their container is a _________.
a. gas b. liquid c. plasma d. solid |
gas
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Most matter ______when heated
condenses, contracts, expands, or solidifies |
expands
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theoretical point at which all molecular motion stops is called?
boiling point, absolute zero, melting point, or frozen point |
absolute zero
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According to _______, if you decrease the volume of a container of gas and hold the temperature constant, the pressure of the gas will increase. (IS called)
Bernoulli's principle Boyles's law Charles"s Law or Archemedes" principle |
Boyle's Law
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According to _____, the volume of a gas increases with increasing temperature, as long as pressure does not change.
a) Bernoulli's principle b) Boyle's law c) Charles's law d) Archimedies' principle |
Charles's law
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As a sample of matter is heated, its particles _______.
a)are unaffected b)move more quickly c) move more slowly d) stop moving |
Move more quickly
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The most common state of matter in the universe is ___.
gas, liquid, plasma, and solid |
Plasma
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Increasing _________ raises the boiling point of a liquid.
temperature, the amount of liquid, pressure, or volume |
pressure
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The idea that matter is made up of small particles that are in constant motion is________.
Bernoulli's principle heat of fusion Charles's law the kinetic theory of matter |
the kinetic theory of matter
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The particles that make up a solid move ________ than do the particles that make up a gas.
in the same way more quickly more quickly and farther mores slowly |
mores slowly
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A fluid's resistance to flow is called ______.
viscosity fluid pressure buoyancy stickiness |
viscosity
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As the temperature of a gas increase, the volume of the gas will _______ if the pressure remains the same.
decrease increase remain the same contract |
increase
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As the volume of a gas decreases, the pressure of the gas will _____ if the temperature reamains the same.
decrease increase remain the same contract |
increase
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Three examples of physical change are _______.
boiling of water, bursting of a balloon, and crumpling a piece of paper freezing of water, evaporation of gas, or rusting a nail. sawing of wood, crushing a can, and toasting a marshmallow. |
boiling of water, bursting of a balloon, and crumpling a piece of paper
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The shape of an apple is a ______.
chemical change chemical property physical change physical property. |
physical property
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Fog is an example of a _______.
colloid compound solution substance. |
Colloid
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When a log burns in a fire, _____.
a physical change has occurred mass is gained mass is lost new substance are formed |
new substance are formed
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______ is another name for a homogeneous mixture.
Liquid Solution Substance Suspension |
Solution
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When two or more substances are combined to so each substance can be separated by physical means, the results is a(n) _______.
chemical change compound element mixture |
mixture
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A ________ is NOT a mixture.
colloid compound suspension solution |
compound
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the scattering of light by colloid is called _____.
air pollution conservation suspension The Tyndall effect |
The Tyndall effect
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_______ is NOT a homogeneous mixture.
Permanent-press fabric Glue Vinegar Gelatin |
Permanent-press fabric
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Each inner energy level of an storm has a maximum number of _______ it can hold.
electrons neutrons quarks protons |
electrons
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Dot diagrams are used to represent _________.
atomic numbers atomic mass isotopes outer level electrons |
outer level electrons
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Particles of matter that make up protons and neutrons are _____.
electrons isotopes quarks atoms |
quarks
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A chemical symbol represents the ______ of an element.
name reaction group structure |
name
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Horizontal rows of the periodic table are called _______.
clusters families groups periods |
periods
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Atoms of the same elements with different numbers of neutrons are called _________.
isotopes metals metalloids radioactive elements |
isotopes
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A particles that moves around the nucleus is a(n)_______.
electron proton neutron quark |
electron
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Elements that are gases, are brittle, and are poor conductors at room temperature are _________.
metals nonmetals metalloids isotopes |
nonmetals
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