Sahini’s Third Grade Science2008-2009

Sahini Komandla

Electric Things

Battery Light Bulb

Battery Circuit

Solar System

Earth, Moon, Sun, Venus, Mercury, Saturn, Jupiter.

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SDawn Dusk

Noon

Sun’s Path in Noon

Sun’s Path in Winter

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SSun

S

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Moon’s Path

How the Moon Reflects from the Sun.

The Light

Satellite

Moon phases

These are the Moons Phase’s

New Moon• The New Moon does

not show in the night sky.

Waxing Crescent

• The Waxing Crescent shows a little of the Moon.

First Quarter

• The First Quarter is half of the moon.

Waxing Gibbous

• The Waxing Gibbous reaches to the full Moon .

Full Moon

• The Full Moon is really bright. It is the brightest step of the cycle.

Waning Gibbous

• A Waning Gibbous gets smaller in the night.

Last Quarter

• The Last Quarter is opposite from the First Quarter.

Waning Crescent

• It is shaped like a Crescent.

Nov 2008

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Moon Phases

This is a Full Moon.

New Moon.

Famous Telescopes

Meade and Kepler

This is a Meade

This is Kepler the Space Telescope

This is Johannes Kepler

This is why the Telescope is Named after Johannes Kepler.

• This Instrument is named for the German Astronomer Johannes Kepler, who in 1609 Published the laws of Planetary Motion, which define the relationship between the Telescope named after him.

A Telescope on a Mountain.

This is the Sky Tonight

• In dusk, February 26 to 28 1 hour before sunset. There will be the great square of Pegasus.

This is a animation of the Big Dipper.

Polaris

Pictures of Mercury

Southwest, Monday after Sunset

Jupiter

Moon

Venus

Constellation

Stars connected together

The Ursa major

Boötes, the Herdsman

Leo

Aquila, the Eagle

Cygnus

Pegasus

Canis Major, the Great Dog

Cassiopeia

Gemini, the Twins

Perseus, the Hero

Capricornus, the Sea-Goat

Orion, the Hunter

Auriga, the Charioteer

Gravity Pressure

lift

gravity

Celsius

25 Celsius

DEATH LEVEL

The red stuff is alcohol

Types Of Energy

Heat

Chemical

Sound

Food

Electricity

Movement

Kinetic

Light

Energy

Batteries

Coal

Wood Fuel

Soda

Gasoline

Food

ChemicalEnergy

How the Sun’s heat is transferred in to Animals and People

First the sun gives the plants sunlight to help them grow then the animals eat the plant and then we eat the animals and after that we get energy from the things that we ate!

Chart Of Elements

Triple Beam Balance

A Triple Beam Balance weighs things. If you want to know!

This Is How It looks like when it has food on it:

Answer: 168

These are all the parts of a beam triple beam balance

Graduated Cylinders

This is a graduated cylinder it goes all the way to 100

It could measure water

Atoms

Solid, Liquid, Gas

Solid

Liquid

Gas

Copper’s molecules

This is copper when it is solid

This is copper when it is liquid

This is copper when it is gas

This is a ball when it is not heated, it could pass through the hoop.

If the ball touches the fire

Chemical Changes

Physical Changes

Solid

+ heat

Liquid

+ heat

Gas

Helium

This are tanks of helium

If you blow balloons with helium it happens to be like this:

But with hydrogen it will be like this:

The Four Greek Elements

Fire, Water, Air, Earth

Fire

Water

Air

Surface Tension

You all know that steel is more dense than water? Right?

So paperclips sink in water. Like this!

Surface Tension

Record grooves

Records

These are pictures of records. You could see grooves in them.

Grooves

Argentine Ants

This is a diagram of a Argentine Ant.

Cotyledon

This is a cotyledon diagram

Seeds

What’s inside fruits

These are apricots.

This is an apricot’s pit which makes it a fruit.

This is a picture of an apple

These are apple seeds

This is an orange

Oranges have seeds, just like others, but we can’t find it.

This is a Tomato

Tomatoes are thought as vegetables, but have seeds

Botany

The Study of Plants

Botany Means the Study of Plants.

Plants of San Diego County

Sahini and Thitichon

Mule FatLatin Name: Baccharis salicifolia

Area: Coastal Sage

Miner’s LettuceLatin: Claytonia perfoliata

Mohave YuccaLatin: Yucca schidigera

Area: Desert

Western CottonwoodLatin: Populus fremontii

Monkey FlowerLatin: Mimulus

Area: California Gardens

Morning GloryLatin: Oasis

Area: Coastal Sage

California AsterLatin: Aster chilensis

Area: California

California SunflowerLatin: Helianthus californicus

Area: California

White SageLatin: Salvia apiana Area: Coastal Sage

Black SageLatin: Salvia mellifera Area: Coastal Sage

Lemonade BerryLatin: Rhus integrifolia

Laurel SumacLatin: Malosma

Area: Coastal Sage

Poison OakLatin: Toxicodendron diversilobum

Area: Coastal Sage Forest

Wild CucumberLatin: Echinocystis lobata

Coast Live OakLatin: Quercus agrifolia

Nuttall’s Scrub OakLatin: Quercus dumosa

DodderLatin: Cuscuta

Area: Colorado State

Broom BaccharisLatin: Sarothroides

San Diego SunflowerLatin: Hulsea californica

Barrel CactusLatin: Ferocactus wislizeni

Area: Dessert

San Diego SunflowerArea: San Diego

Deer WeedArea: Los Angeles

Miner’s LettuceArea: Mountains and Rivers

Western CottonwoodArea: Cottonwood Creek

Distictis

Distictis is a flower like this one.

They are bright red with some yellow.

Life In Southern California

Animals

This is a Mastodon

This is a Tree Sloth

This is a Rhea

This is a ornithopoda

This is a Ground Sloth

This is a Saber-Tooth Cat