Science-6th grade

Created by cutiepie-94 

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6th grade flashcards (last year-2006)

Warm air masses that affect the west coast of the United States are called

Maritime tropical

What happens when a rapidly moving cold mass runs into a slowly moving warm air mass

cold front

What type of front describes a war air mass and a cold mass meeting and no movement occurring

stationary front

When a warm air mass collides with a cold air mass it forms a

warm front

Sate the difference between cyclones and anticyclones

Cyclones are low anticyclones are high and directions of wind

A finnel-sheped cloud that torches earth's surface is called a

tornado

The number of the tornados that occur in the United States each year is about

800

To be classified as a Hurricane a tropical storm must have at least

199kl wind speed

The eye of a Hurricane

calm and peaceful and clear

How does lake-effect snow occur

cool air blows over a lard lake then over land

Where should you seek protection during a tornado

basement of tornado safe house

What is the most dangerous aspect of a snow storm

high winds

Why has weather forecasting improved

computer tect.

People who study weather and try to predict it are called

meteorologist

Where does El Nino's weather pattern form

Pacific Ocean

An El Nino event occurs every

2-7 years

Isobars are lines on a map joining place have the same

air pusher

Small lines on a map joining places that have the indivate

wind speed

On weather maps a line with half circles in considered

warm front

A cloud cover symbol that is ¾ black and ¼ white represents

mostly 70-80%

Places shown on a weather map that have the same temperature are connected by

Isptherms

A Hurricane is

a cold air mass over warm waters forms and air m movement that forms a tropical storm when the winds pick up to 119kl it is considered a Hurricane the eye of the storm is calm and peaceful but once the eye passes you get a storm surge which is the most dangerous part of the storm

Red shift

light waves from retreating objects chang to a redder color

Supernova

the explosion of a star releasing huge amounts of light and other energy

Fusion

combining of less massive elements to from more massive elements

Red giant

star that has swelled

Quasar

a far away object that resembles a star but gives off as much light as a galaxy

Solar flare

powererfull eruptions of very hot gases from the sun

Radio telescope

tool used to study radio waves from space

Pulsar

a star that gives off pulse of radio waves

Aurora

a flow of display of lights in the skies at the far Northern southern latitudes

Bid Bang Theory

an event that started the universe about 13 billion years ago

Black hole

a star of other object that has collapsed so far that no light can get out

White dwarf

a star that has collapsed to the size of the earth

Sunspot

dark region on the sun's surface

Milky Way Galaxy

a galaxy in which the solar system is located

Corona

outermost part of the sun

Optical telescope

tool used to study light

Neutron star

a star collapsed far enough to be composed only of neutrons

Solar wind

the expanding corona

Solar Flare

erupitions of fire from the surface of the sun

Nebula

dust and gas in space

Prominence

huge loop of hydrogen gas above the sun's surface

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