3 rd Grade Science Review Created by: Kelly Rooney April 17, 2004.
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Transcript of 3 rd Grade Science Review Created by: Kelly Rooney April 17, 2004.
![Page 1: 3 rd Grade Science Review Created by: Kelly Rooney April 17, 2004.](https://reader036.fdocuments.us/reader036/viewer/2022081518/5515773555034685568b6331/html5/thumbnails/1.jpg)
3rd Grade
Science Review
Created by: Kelly Rooney
April 17, 2004
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Table of Contents
1. SOL 3.2: Simple Machines
3. SOL 3.3: Matter
4. SOL 3.4: Life Processes
5. SOL 3.5: Living Systems
6. SOL 3.6: Living Systems: habitats
7. SOL 3.7: Soil
8. SOL 3.8: Sun, Earth and Moon
9. SOL 3.8: Life Cycles
9. SOL 3.9: Water Cycle
10. SOL 3.10: Resources
11. SOL 3.11: Sources of Energy
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SOL 3.2- Simple Machines
A lever moves around a fixed point
called a fulcrum.
*A simple machine helps people do work!*
A wedge is a made up of two inclined planes placed back-to-back
A wheel and axle is made up of a large wheel attached to a
smaller wheel or rod.
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SOL 3.2- Simple Machines, cont..
A pulley is a rope or chain and a wheel around which the
rope fits
A screw is an inclined plane
wrapped around a pole that is
usually used to hold things together.
An inclined plane is a flat surface with
one end higher than the other.
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SOL 3.3- Matter
•Objects can be described by their physical properties.
•A physical property is anything that can be observed using the senses.
•Objects are made of one or more materials
•materials are made up of parts that are too small to see with out magnification
•physical properties remain the same when the object is reduced in size.
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SOL 3.4- Life Processes
Mimicry
Migration
hibernation
camouflage
Instinct
Behavioral and physical adaptations help an animal to survive
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SOL 3.5- Living Systems
Animals and plants are interdependent
producer
consumer
decomposerherbivore
carnivore
omnivore
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SOL 3.6- Living Systems, cont..
Environments support a diversity of plants and animals share limited resourcesDry-land environments
Deciduous forest
Desert
rainforest
grassland
Coniferous forest
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Water-related environments
SOL 3.6- Living Systems, cont..
Environments support a diversity of plants and animals share limited resources
wetland river
stream
ocean pond
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SOL 3.7- Soil
•soil provides the support and nutrients necessary for plant growth•topsoil is a natural product of subsoil and bedrock;rock, clay, silt, sand, and humus are components of soils•soil is a natural resource and should be conserved
bedrock
subsoiltopsoil
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SOL 3.8- Earth Patterns, Cycles, and Change
The Earth revolves around the sun. Each
time it makes one revolution, we have
one year!
The earth rotates on its axis which causes us to
have night and day.
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SOL 3.8- Earth Patterns, Cycles, and Change
The tilt of the Earth causes seasons. When one
hemisphere is experiencing summer, the opposite
hemisphere is experiencing winter.
Tides are caused by the gravitational pull
of the moon
The sun rises in the East
And sets in the West
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SOL 3.8- Earth Patterns, Cycles, and Change
A life cycle is all the parts of a plant or an animal's life from birth to death. The life cycle of a bird is made up of unhatched chick, chick,
young adult, and adult
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SOL 3.9-The Water Cycle
evaporation
condensation
precipitation
The energy from the sun drives the
water cycle.
Water is a natural resource and needs to be
conserved.
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SOL 3.10- Resources
natural events and human influences can affect the survival of species
Air pollution
conservation
Floods
recycling
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SOL 3.10- Sources of Energy
Renewable resources
Nonrenewable resources
Fossil fuels:
coal, oil and natural gas
Sources of energy: sunlight, water, wind, wood and
fossil fuels
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SOL K.5- Sink or Float
sink float
Some objects will float on water, while others will sink.
float sinkwood
fruit
paper
metal
metal
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SOL 1.2- Moving Objects
straight circular
curved back and forth: vibrations
Examples include: humming, strumming a
guitar, or plucking a rubber band
The motion of objects may be:
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SOL 1.3- Materials interacting with waterSome liquids will dissolve in water,
while others will not.
Most substances will dissolve better in hot water than they will in cold water.
Things that will mix easily in water
Things that will not mix easily easily in water
vinegar
milk
baking soda
powered drink mix
sugar
salt
Oil
sand
soil
rocks
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SOL 2.2- Magnets
A magnet is a piece of iron that pulls things that are also made of iron or nickel.
Similar magnet poles repel, opposite poles attract.
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SOL 2.6- Weather
Common types of storms
floods
blizzard Tornado
hurricane drought
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SOL 2.6- Weather
We use various tools measure weather.
thermometer
Rain gauge
Weather vane