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Copy of 3rd Grade Science Review

This is a review of our 3rd grade science topics and supports the VA 3rd grade science SOLs.
by

Princess Eleby

on 24 February 2014

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Transcript of Copy of 3rd Grade Science Review

3rd Grade Science Review
Matter
is
anything
that takes up space!

Water Cycle
Life Cycles
Plant
Earth Cycles
It takes the earth 24 hours to rotate (SPIN) on its axis.
is measured by mass.
Mass is HOW MUCH there IS of an object!
We measure mass in grams and kilograms.
(using a scale or balance)
States of Matter
Solid-(Has a definite shape)
Liquid-(No shape, takes the shape of its container, & can be poured)
Gas- (No shape, expands to take the shape of its container)
Butterfly
Frog
Deer
This rotation (spinning) causes day and night.
It takes the earth about 365 days
to revolve around the sun.
This revolution is the same
as one year.
The tilt of the earth's axis and its place in its orbital path around the sun cause the seasons.
It takes the moon about 1 month (28 days) to revolve around the earth.
Food Chain
Producer
Consumer
Consumer
Consumer
Decomposers
Properties
Examples of physical properties:
color
texture
shape
size
mass
dissolve
odor
temperature
magnetism
hardness
patterns
volume
Scientists describe the physical properties of objects.
(These are the characteristics about an object.)
What are the physical properties of each of these balls?
Offspring
Which of these has offspring that looks like its parent?
human
snake
moth
toad
bullfrog
dog
spider
The gravitational pull
of the moon causes the tides.
Animal and Plant Adaptations
behavioral
physical
Soil
The
3 layers
of
soil
5 components of soil:
rocks and pebbles
humus
silt
sand
clay
topsoil
subsoil
bedrock
Soil is:

A natural resource
that takes a VERY long time to form
SO we need to conserve it!
buck
doe
fawn
yearling
Magnets
Weathering and Erosion
Weathering
is the breaking down of rock.
Erosion
is the movement of soil (or the broken down pieces of rock).
Some Causes:
wind
water
ice
gravity
Simple
Machines
Which simple machines make up these compound machines?
Natural
Disasters
herbivore
omnivore
carnivore
Biomes (Habitats)
terrestrial
aquatic
population: a number
(the
number
of a type of animal or plant living in a habitat
...ONLY 1 type!
)
(
All
the organisms living together in a place)
community: a place (habitat)
What's the population
of dragonflies in this pond?
Full transcript