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Matter and Energy
Science_Matter and Energy
173
Science
4th Grade
10/01/2010

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Cards

Term
Matter
Definition
everything around you is made of _______
Term
Part of Science is studying_______
Definition

 

properties of matter

such as how matter and energy interact

Term
Fast Fact
Definition
if all the ice in the worls melted, nthe oceans would rise 55 - 80 meters. In New York City's harbor, the entire statue of Liberty would be under water except for the crown and torch
Term
gold
Definition

what material is denser?

aluminum

copper

gold

ice

iron

lead

mercury

Term
Draw a conclusion
Definition
you make a statement of what you know based on all the data you collected. Unlike an inference, a conclusion is supported or shown to be likely by results of tests
Term
Sense of Touch
Definition
one way you know about the world around you
Term
matter
Definition
everything in the universe that has mass and takes up space is classified as ______
Term
yes
Definition

does matter have mass

yes ___

no ___

Term
mass
Definition
the amount of matter something contains _____
Term
yes
Definition

does an elephant have a lot of mass

yes / no

Term
yes
Definition

does a large heavy object have a lot of mass

yes / no

Term
elephant
Definition

which item has more mass

elephant

small leaf

Term
matter
Definition
although the elephant and small leaf are very different each is an example of __________
Term
particles
Definition
all matter is made up of small bits called _________
Term
strongest microscopes
Definition
particles are so small they can only be seen with the
Term
very quickly
Definition
tiny particles always move
Term
properties
Definition
the arrangements of particles give matter __________
Term
state of matter
Definition
the arrangements of particles give matter properties. each arrangement is called a ______________
Term
solid
Definition
a door key is an example of matter in the ____________ state
Term
solid
Definition
__________ is matter that has a definite shape and takes up a definate amount of space
Term

close together

(like neat and even stacks of tiny balls)

Definition
the particles in a solid are __________
Term
back and forth
Definition
each particle moves ___________ at one point.
Term
its definite shape
Definition
each particle moves back and forth at one point. This arrangement of particles gives a solid  
Term
liquid water
Definition
a frozen ice cube keeps its shape but when you heat the ice cube in a pan the ice becomes __________
Term
yes, it just has a new shape
Definition
a frozen ice cube keeps its shape but when you heat the ice cube in a pan the ice becomes liquid water. the water changes shape and fills the bottom of the pan. If you spill the water the water will spread onto a table. does the water still take up the same amount of space?
Term
liquid
Definition
matter that takes the shape of its container and takes up a definite amount of space
Term
liquid
Definition
when matter is a _________, its particles slip and slide around each other
Term

place to place

(but they still stay close to each other)

Definition
when matter is a liquid, its particles slip and slide around each other. the particles dont keep the same neighbors as particles in solids do. They move from ___________
Term
their container
Definition
as particle in a liquid move, they bump into the walls of _______________
Term
takes the shape of the container
Definition
the solid walls of the container don't change shape. the particles of liquid can't move past the walls and the liquid particles stay close together. So the liquid ________________________
Term
yes
Definition

if you pour a liquid from one container into another, does the amount of matter in the liquid stay the same

yes / no

Term
yes
Definition

if you pour a liquid from one container into another, does the amount of space the liquid takes up stay the same

yes / no

Term
gas
Definition
a matter that has no definite shape and takes up no definite amount of space
Term
not arranged in any pattern
Definition
like particles in a liquid, the particle in gases are
Term
no
Definition

do particles in gases stay close together

yes / no

Term
are moving much faster than particles in liquid
Definition
unlike particles in liquid, the particles in gases do not stay close together because paticles in gases ______________ 
Term
the amount space inside its container
Definition
the amount of space gas takes up depends on ____________
Term
yes
Definition

does a gas always fill the container it is in

yes / no

Term
move out
Definition
if a container is open the gas particles ______________
Term
yes
Definition
can most matter change state from a solid to a liquid to a gas
Term
an ice cube in a pan on a hot stove. In a few minutes the ice cube changes from a solid to a liquid. minutes later the liquid is gone - the water has become a gas
Definition
Most matter can change state from a solid to a liquid to a gas, give an example _________________
Term
water vapor
Definition
an ice cube in a pan on a hot stove. In a few minutes the ice cube changes from a solid to a liquid. minutes later the liquid is gone - the water has become a gas called
Term
off in all directions
Definition
an ice cube in a pan on a hot stove. In a few minutes the ice cube changes from a solid to a liquid. minutes later the liquid is gone - the water has become a gas called water vapor. the gas particles have moved ______________
Term
no
Definition

can you see water vapor ?

yes / no

Term
water drops
Definition
In a whistling tea kettle spout, the water vapor flies out but when the particles cool , they clump together to form _______________ 
Term
fast fact
Definition
In a whistling tea kettle spout, the water vapor flies out but when the particles cool , they clump together to form water drops. the drops are the white mist that you can see
Term
a balance
Definition
measures by comparing two masses
Term
you must make both sides of the balance equal before you measure
Definition
how do you make sure the comparison is accurate on a balance
Term
by measuring the mass of each
Definition
how can you compare the amount of matter in 2 objects
Term
the object with more mass
Definition
which object has the greater amount of matter
Term
in grams and kilograms
Definition
how is mass measured
Term
1 gram
Definition

a medium sized paper clip weighs

____1 gram

_____1 kilogram  

Term
1 kilogram
Definition

8 sticks of butter weighs about

1 gram ______

1 kilogram ____

Term
a pan balance
Definition
a way to compare two masses is by using
Term
have the same mass
Definition
if the pan of the balance are level the matter in the pans ____________
Term
they have objects with masses that are known
Definition
what is one way scientists measure mass
Term
he puts a standard mass in the other pan and adds or removes standard masses until the 2 pans balance
Definition
if a scientist puts an object whose mass he doesn't know in one pan, how does he figure out the mass of that object
Term
standard masses
Definition
objects with masses that are known are called ___________
Term
yes
Definition

does matter have mass and take up space

yes / no

Term
volume
Definition
the amount of space that matter takes up is called ___________
Term
yes
Definition

can you measure the amount of space that a solid or liquid takes up

 

Term
measure the container to calculate the volume
Definition
how can you measure the amount of space that a solid or liquid takes up
Term
cubic centimeters
Definition
how is volume measured
Term
cubic centimeter
Definition
is the amount of space taken up by a cube that has each side equal to 1 centimeter.
Term
millimeter
Definition
a cubic centimeter is the same as a
Term
with a beaker or a graduate ( a tall cylinder with measuring marks on the side)
Definition
how does a scientist measure volume
Term
graduate
Definition
 a tall cylinder with measuring marks on the side
Term
yes
Definition

is it easy to see that the volume of a solid stays the same

yes / no 

Term
because a solid keeps its shape
Definition
why is it easy to see that the volume of a solid stays the same
Term
liquid
Definition
this changes shpe to match its container
Term
no
Definition

when a liquid changes shape to match its container does the volume change

yes / no

Term
no
Definition
does a gas have a definite volume
Term
no
Definition
does the mass of a gas sample change when the volume of the gas changes
Term

by sinking them in water.

(They push away some of the water and the water level rises. the change in water level gives the volume of the solids)

Definition
how can you find the volume of odd shaped solid objects , such as marbles
Term
35 mL
Definition

 

If the level in a graduate changed from 250 mL to 285 mL when marbles are added, what is the volume of the marbles

Term
use the marked measurement on the container
Definition
how do you measure the volume of liquid in a beaker
Term
a balloon filled with gas
Definition
give me an example of matter that takes up a large space but has a small mass
Term
a brick
Definition
give me an example of matter that takes up very little space and has a large mass
Term
density
Definition
the property of matter that compares the amount of matter to the space taken up is called _________
Term
low density
Definition
does the gas in a balloon have high density or low density
Term
high density
Definition
does the gas in a brick have high density or low density
Term
by dividing the mass of the object by its volume
Definition
how do you find the density of an object
Term

1 gram

200 grams divided by 200 cubic centimeters equals 1 gram per cubic centimeter

Definition
if an apple has a mass of 200 grams and a volume of 200 cubic centimeters what is the density
Term
raisins
Definition
what is more dense cereal or raisins
Term
true
Definition

If you mix two kinds of matter, the density of the mixture is between the densitities of the two seperate materials

true / false

Term
yes
Definition

does all matter have mass and volume

yes / no

Term
controlling variables
Definition
usually in an investigation, only one property is changed at a time. this makes it easier to infer the causes of the results
Term
infer
Definition
to guess
Term
predict
Definition
declare or tell in advance
Term
observation
Definition
an act or instance of noticing
Term
inference
Definition
the process of arriving at some conclusion that although it is not logically derivable from the assumed premise
Term
record
Definition
to write it down
Term
control
Definition
to test or verify
Term
solution
Definition
a mixture in which the particle of differents kinds of matter are mixed evenly with each other
Term
let the water evaporate and the solid sugar will be left at the bottom of the glass
Definition
what is a way to show that sugar was added to water beside tasting the solution
Term
evaporate
Definition
dry up
Term
dissolves
Definition
when one material forms a solution with another material we say it ___________
Term
pulled away from each other by water particles
Definition

as sugar dissolves in water, particles of solid sugar are _________________

 

Term
bump into and move the sugar
Definition

as sugar dissolves in water , particles of solid sugar are pulled away from each other by water particles. the water particles _________________

 

Term
spread to other parts of the solution
Definition
as sugar dissolves in water , particles of solid sugar are pulled away from each other by water particles. the water particles bump into and move the sugar. Very quickly the sugar particles _______________
Term
because the very small sugar particles are mixed evenly with the water particles
Definition
why can't you see the sugar in the water solution
Term
the sugar particles can't mix evenly with the water particles
Definition

if you add more and more sugar to a glass of water at some point ____________

 

Term
the extra sugar falls to the bottom of the glass
Definition
if you add more and more sugar to a glass of water at some point the sugar particles can't mix evenly with the water particles, the extra sugar doesn't dissolve, what happens to the extra sugar when you stop stirring
Term
no
Definition
do all solids dissolve in water
Term
solubility
Definition
the measure of the amount of a material that will dissolve in another material
Term
0
Definition
what is solubility of sand in water
Term
no
Definition
will any sand dissolve in water
Term
it sinks
Definition
what happens when you put a penny in water
Term
it floats
Definition
what happens whe you put a chip of wood in water
Term
buoyancy
Definition
the ability of matter to float in a liquid or gas
Term
it sinks
Definition
what happens to a solid object denser than water
Term
lead
Definition
what is more dense, lead or water
Term
float
Definition
a solid object less dense than water will __________
Term
floats
Definition
pine wood is about half as dense as water , so what happens to pine wood in water _________
Term
their density is less dense than water
Definition
the reason why most humans float in water is
Term
it is less dense than water
Definition
oil floats on water because
Term
sink
Definition
maple syrup is more dense than water so when you put maple syrup in water it will
Term
yes
Definition

are their some liquids that can float or sink in water

yes / no

Term
maple syrup
Definition
example of liquid that sinks in water
Term
motor oil
Definition
example of liquid that floats on water
Term
yes
Definition
can gases float or sink in water
Term
less dense than liquid water
Definition

the gases that you breathe are

____more dense than liquid water

_____less dense than liquid water

Term
helium
Definition
can you name a gas less dense than air
Term
buoyed up by the air and rises
Definition
when you fill a balloon with helium it ____________
Term
wears a belt or vest with dense pieces of lead
Definition
what does a scuba diver do to make his/her density about the same as the water so he/she can swim up or down easily.
Term
pumice
Definition
name a kind of rock that floats
Term
it contains a lot of air
Definition
why would a rock be able to float in water
Term
fast fact
Definition
a diet soda is less dense than a regular soda , so if youput a can of diet soda in water it would float but a regular soda would sink
Term
by mixing it with material that has a different density
Definition
how can you change the density of a material
Term
no
Definition

is air very dense

yes / no

Term
add air to it
Definition
what is a good way to lower the density of an object
Term
the object is less dense than water
Definition
what makes an object float in water
Term
yes
Definition

is clay denser than water

yes / no

Term
sink
Definition
will clay sink or float in water
Term
yes
Definition
if a large heavy boat contains enough air, will it float
Term
it will be the bottom layer
Definition
in a beaker if you add liquid layers with different densities, what happens to the most dense liquid
Term
it will be the top layer
Definition
n a beaker if you add liquid layers with different densities, what happens to the least dense liquid
Term
yes
Definition

do humans use machines to control buoyancy and to move form place to place

yes / no

Term
submarine, hot air balloon and blimp
Definition
give an example of a machine humans use to control buoyancy and to move form place to place
Term
hot air
Definition

what is less dense

hot air / cold air

Term
they are buoyed up by air so they rise.
Definition
how does a hot air balloon work
Term
they are filled with helium, a gas that is less dense than air
Definition
how does a blimp work
Term
yes
Definition

is helium, a gas, less dense than air

yes / no

Term
fast fact
Definition

how submarine works

1. when a submarine floats on the surface of the water, it's like any other metal boat, it is filled with enough air to make it float

 

2. tanks inside the submarine have air in them when the submarine is at the surface. to make the submarine float just below the surface, some of the air is taken out and the tanks are partly filled with water. this combination of the submarine, the water and air has about the same density as water.

 

3. the submarine can dive to the bottom by squeezing air in its tanks into smaller tanks. because the air volume is now smaller, it's density is greater. the original tanks are then filled with water, making the submarine denser than water. to allow the submarine to return to the surface, water is pumped out of the tanks. air is allowed to expand back into them, making the submarine less dense than water. it is buoyed up and rises to the surface

 

Term
chemical changes
Definition
what causes the bright colors and booming sounds of fireworks
Term
predict
Definition
tell in advance
Term
hypothesis
Definition
a mere assumption or guess
Term
physical change
Definition
any change in the size shape or state of a substance is called _________________
Term
state
Definition
if you melt an ice cube you have changed the ___________
Term
cut it, fold it, wad it up
Definition
describe what you could do to paper to make a physical change
Term
yes
Definition

can sugar undergo many physical changes

yes / no

Term
rock candy (large crystal of sugar), sugar cubes (pressing together many grains of sugar), table sugar (many seperate tiny crystals of sugar), confectioners sugar (grind sugar into a powder)
Definition
examples of physical changes to sugar
Term
yes
Definition
is evaporation a physical change
Term
it changs the state of water
Definition
why is evaporation of water a physical change
Term
yes
Definition

to change from a solid to a liquid, is that an example of a physical change

yes / no

Term
a chemical change
Definition
a change that produces one or more new substances is called ______________
Term
chemical reaction
Definition
another term for chemical change
Term
a chemical reaction
Definition
when a penny turns dark, the dark material is a new substance formed by _____________
Term
yes
Definition

is the sweet smell of baking bread a sign of a chemical reaction

yes / no

Term
chemical change
Definition
when someone strikes a match, you see the light and feel the warmth as the match head burns slowly and turns black. the light, energyrelease and color change are signs of ______________
Term
arrangements of its particles
Definition
a match head has potential, or stored, energy because of the _______________________
Term
the match head burns
Definition
when talking about the match .... the stored energy is changed to light and heat when ___________
Term
chemical energy
Definition
potential energy that can be released by a chemical change is called ____________________
Term
fuel such as gasoline
Definition
give an example of chemical energy
Term
a chemical change
Definition
tarnish on a teapot is an example of ___________
Term
a chemical reaction
Definition

if a bottle contains vinegar. the snugly fitting balloon contains some baking soda. when vinegar and baking soda mix the balloon fills with gas called carbon dioxide. the filled balloon shows a new substance formed.

 

what made the gas, carbon dioxide___________

Term
a slow chemical change
Definition
rust is an example of
Term
yes
Definition

is burning a chemical change

yes / no

Term
light and warmth are released and smoke, ash and hot gases are produced
Definition
why is burning an example of a chemical change
Term
yes
Definition

does the steel industry use physical and chemical changes

yes / no

Term
in a large furnace
Definition
where is steel made
Term
liquid steel
Definition
burning fuel heats iron and other materials until they melt. the melted materials mixto form __________
Term
food
Definition
what gives your body energy
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