Docstoc

Hand lens

Document Sample
Hand lens Powered By Docstoc
					A tool used to
 observe very
 small objects
 and organisms
A tool used to
 measure the
 length of an
 object or the
 distance an
 object may have
 traveled.
Units = meters,
 centimeters, or
 millimeters
An instrument for
 observing
 objects too
 small to be
 seen with a
 hand lens
A tool for
 measuring
 temperature

Units = Celsius
A tool for
 measuring the
 volume of liquid

Units = milliliter
 (ml)
A tool for
 measuring the
 volume of liquid

Units = milliliter
 (ml)
A tool for
 protecting eyes
 during a
 Science
 experiment
An apron is used
 to protect your
 body and
 clothes during
 a Science
 experiment
It is used to
  measure the
  mass of an
  object.

Unit = Grams
A tool that shows
 the direction
 that one is
 going
A tool that can
 attract metal,
 such as iron or
 steel
A device used to
 heat up liquids
 or solutions in
 a Science
 classroom.
A tool used to
 measure
 intervals of
 time.

Units = seconds,
 minutes, or
 hours
These go on your
 hands to
 protect them
 when you are
 handling
 chemicals or
 touching hot
 objects.
Tool used for
 putting out
 small fires
A source of danger
A measure taken
 beforehand to
 prevent harm
A tool used in
 Science to
 hold onto hot
 objects while
 they are
 heated.
A procedure
 carried out under
 controlled
 conditions in
 order to discover
 something or to
 test a hypothesis.
An educated guess
 about how an
 experiment will turn
 out.

A hypothesis can be
  proven right or
  wrong through an
  experiment.
                           Trial #   Distance
A collection of facts or
                                     Traveled
  numbers gathered                     (cm)
  during an
                             1         10
  experiment.
                             2         12
Usually arranged in a        3         16
 chart or data table.
                             4         17
                             5         19
A picture used to
  represent the data
  collected during an
  experiment.

There are many types:
• Pictographs
• Bar graphs
• Circle graphs
• Line graphs
                        This is a bar graph.
A visual representation of
  Science concepts

All models have
  limitations, this means
  they are not 100%
  correct as the real
  concept they are
  representing.
A closing statement based upon the
 data collected during an experiment.

Usually the hypothesis is stated to see
 if it was right or wrong in the
 conclusion.
Scientists repeat their
 experiments many times to
 make sure the results are valid
 and reliable.
Reprocessing of
 materials, such
 as, plastic, glass,
 metal, & paper so
 they can be
 reused.
The protection,
 preservation,
 and wise use of
 natural
 resources.
Anything that
 takes up space
 (volume) and
 has mass.
The measure of
  the amount of
  matter in an
  object.
Units:
• Grams
• Milligrams
• kilograms
How much space
 something
 takes up
Phase or State of
 matter that has
 a definite shape
 and a definite
 volume
Phase or State of
 matter that
 does NOT have
 a definite
 shape, but has
 a definite
 volume.
Phase or State of
 matter that
 does not have a
 definite shape
 or a definite
 volume.
The temperature
 at which a
 substance
 changes from
 its solid state
 into its liquid
 state.
The temperature
 at which a
 substance
 changes from a
 liquid to a solid.
The particular
 temperature
 when a
 substance
 changes from a
 liquid to a gas.
A liquid changes
 phase into a
 gas.

Opposite of
 Condensation.
A gas changes
 phases and
 turns into a
 liquid.

Opposite of
 Evaporation.
Characteristics of matter that can be observed
 or measured without chemically changing
 the substance into something new.

Examples:
• Magnetism
• Color
• Density
• Texture
• Buoyancy
The passing of heat or
  electricity through a
  material while the
  material itself stays
  in place.

Examples:
• Steel
• Iron
Material energy (heat
 or electricity) cannot
 easily pass through.

Examples:
• Plastic
• Cloth
• Rubber
• Wood
A mixture of substances
  that are blended so
  completely that the
  mixture looks the
  same everywhere.

Example: Sugar water

Sugar is dissolved in
the water.
The process of
 going into a
 solution. It
 becomes
 disintegrated.
A combination of
 two or more
 substances that
 can keep their
 own properties
 and can be
 separated again
Otherwise known
 as Electricity.

Flowing of
  electrons
  through a
  circuit to
  produce a
  charge.
Contacts, switches
 or similar devices
 are not connected
 thus preventing
 the flow of
 electrical current.
An electric circuit
 providing an
 uninterrupted,
 endless path
 for the flow of
 current.
Wire coil around a
 metal core
 (usually an iron
 nail) that acts like
 a magnet when
 an electric
 current flows
 through it
Energy from the
 Sun. Can be
 used to make
 electricity.
A form of energy
 that travels in
 waves and can
 move through
 empty space
 where there is
 no air.
Reflection
occurs when
light changes
direction as a
result of
“bouncing off”
a surface like a
mirror.
The bending of
 light as it
 passes from
 one material to
 another.
Telescope: Light Refraction
Energy that
 comes from
 heat.
Energy caused
 by vibrations
 that produce
 waves
A back and forth
  motion of an object
  which will create
  sound.
A push or pull which
  may result in
  motion.
The state in
 which one
 object’s
 distance from
 another is
 changing
Resources that can
 be easily remade
 and usually
 recycled.
Resources that
 CANNOT be
 easily renewed
Fuels formed in the
 ground from the
 remains of dead
 plants and
 animals

Examples: coal, oil,
 & natural gas
Resources that can
 never be used up.

Examples:
 Sunlight & Wind
A force that changes
  the shape of the
  Earth surface by
  making new
  landforms.

Example: Volcanoes
A force that breaks
  down earth’s
  surface.



Example: Earthquake
A large body of
 moving ice that
 stays frozen all
 year.
The breaking down
 and wearing away
 of rock.
The carrying away or
  movement of rock
  and soil caused by
  wind, water, and ice.
The dropping of
 sediments by
 water, wind, or
 ice.
Soil, sand, silt, and
 other pieces of
 rock which wash
 from the land into
 water.
A material made of
 tiny pieces of
 rock, minerals,
 and decayed
 plant and animal
 matter.
To hold within; usually dealing with the
  retention of water in soil.
Ability to transmit
 fluids through
 pore spaces.
•   The Sun (Star)

•    The 8 planets
    (1) Mercury
    (2) Venus
    (3) Earth
    (4) Mars
    (5) Jupiter
    (6) Saturn
    (7) Uranus
    (8) Neptune

•   And the many other objects that
    orbit the sun such as, comets,
    meteors, and
    asteroids.
The spinning motion
  of Earth on its axis.

It takes Earth
   approximately 24
   hours to rotate once
   on its axis.
The movement or orbit of an object around
   another object.
It takes the Earth approximately 365 days to
   revolve around the Sun.
Generally based on broad climatic patterns;
Four seasons: spring, summer, autumn (fall), and
  winter
Caused by the tilt of the Earth on its axis.
A force of attraction,
  or pull, between any
  object and other
  objects around it.
  Gravity is the force
  that pulls you down
  to earth.

Responsible for
 keeping planets in
 orbit around Sun.
The path an object
  takes as it travels
  around another
  object.
A natural satellite
 that orbits
 around planets.
The different
 appearances of
 the moon
 throughout the
 month which are
 also known as the
 phases of the
 moon.
Variable width of
 rings produced by
 seasonal growth.

The number of rings
 observed
 corresponds to
 the age of the tree.
 Helps scientists to figure out what
  happened in the past. The top layer is
  the youngest. The bottom layer is the
  oldest.
YOUNGEST




OLDEST
The environment
 where an
 organism lives.

                   Polar bears in their habitat.
All the living and
 nonliving
 things that
 interact with
 each other in an
 environment.
A part of
the
ecosystem
that is alive.
The part of an ecosystem that is NOT
 alive.
A major land ecosystem having a distinct
 combination of plants and animals.
The role that an
 organism plays in
 its habitat.
                Bear
An individual
living thing


                       Human
A group of
 organisms that
 share similar
 characteristics.
 They can
 reproduce.
All the organisms of
  the same species
  that live in the same
  place at the same
  time.
The movement of carbon dioxide and
oxygen between organisms and the air.
    A continuous
process that renews
 the fresh water on
      Earth. The
individual parts are
 called evaporation,
    condensation,
  precipitation, run-
       off, and
    transpiration.
The process
that turns
nitrogen gas
in the air into
usable
substances
that plants
and animals
can use.
The stages of
 development an
 organism goes
 through from
 birth to death.
The first stage of
 development in
 many living
 organisms.
The early
immature stage
that follows the
egg stage in an
insect’s life
cycle.
The stage that
 follows the
 larva in many
 insect’s life
 cycle.
The final stage of
 an insect’s life.
Larva of certain
 insects like
 grasshoppers;
 resembling adult.
The change in
 shape and form
 some organisms
 go through
 during their life
 cycle.
A gradual growth
 of an organism
 that changes in
 size, but NOT
 form.
Changes in body
 form of insects
 that involve
 stages (egg,
 larva, pupa,
 adult).
The process by
 which producers,
 such as plants,
 make their own
 food by using
 energy from the
 Sun.
Part of a plant
 that is found
 underground. It
 purpose is to
 absorb water
 and nutrients
 from the soil.
A slender structure
 that provides
 support to a
 plant.
The part of the
 plant that
 performs
 photosynthesis.
 Usually the leaf
 is green.
Colorful part of a
 plant that
 produces the
 seeds.
Substances that
are needed for an
  organism to live
  and grow
The path of energy
 from one
 organism to
 another
 organism.
Most food chains
 overlap. These
 Overlapping food
 chains form a
 food web.
An animal that only
 eats other
 animals.

Meat-eater
An animal that eats only plant products.
An animal that eats
 both plants and
 animals.

Example: Bears eat
  fish and berries.
An animal that     Predator
 hunts, catches,
 and eats
 another animal.
An animal that is
 hunted, caught,    Prey
 and eaten by
 another animal.
An organism that makes its own food.
An organism that
 gets energy by
 eating other
 organisms.
An organism that
 gets energy by
 feeding on dead
 materials and
 wastes.
A meat-eating
 animal that feeds
 on the remains of
 dead animals.
A relationship
 between two
 different kinds of
 organisms in
 which one
 organism is
 helped and the
 other is harmed.
The process of
 making more
 organisms of
 the same kind.
New organisms
 that come from
 parent
 organisms.
A behavior or
 body part that
 enables an
 organism to
 survive in its
 environment.
A characteristic
 or feature of an
 organism.

Example: brown eyes
The changed
 behavior or
 characteristic
 of an organism
 because of
 practice or
 experience.
An animal’s
 ability to
 change its color
 or pattern to
 help it blend in
 with its
                    Bird
 surroundings.
The regular long-
 distance
 movement of
 animals from
 one region to
 another
A long period
 when an animal
 is not active
 and all of its
 body systems
 slow down.

				
DOCUMENT INFO
Shared By:
Categories:
Tags:
Stats:
views:52
posted:12/7/2011
language:English
pages:129