sun moon earth test

30 terms by kimsicilia 

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marias science

atmosphere

the layer of gasses surrounding earth

flare

bright area on the suns surface caused by a solar storm

meteorites

pieces of rock or metal that have fallen from space

astronomer

a scientist who studies objects in space

prominence

a huge loop of gas on the edge of the sun

telescope

a device that makes far away objects nearer and larger

sun spot

a dark area on the surface of the sun caused by a solar storm

star

a ball of very hot gasses that gives of light and heat energy

crater

a bpwl -shaped pit caused by meteorites striking the moons surface

gravity

a force that pulls 2 or more objects towards each other

mass

the amount of material that makes up an object

rotation

earth spins on its axis: this takes 1 day

axis

imaginary line through earth

revolution

move around another object:; orbit; this takes 1 year

orbit

the earth's path around the sun

planet

a celestial body that orbits the sun and does not produce light of its own

Describe the Moon.

The moons is a faraway, airless, cratered ball of rock that is 1/4 the size of the Earth.

The size of the Moon in our model is a _____.

A Pen Dot.

The distance of the Moon from Earth in our model is _____ inches.

2

Why must astronauts who visit the Moon bring life-support equipment?

Because there is no atmosphere in the Moon.

The Moon has ____ gravity than the Earth.

Less

Describe the Sun.

The sun is a star that gives off heat and light essential to life on Earth. The sun is the size of one million 1,000,000 Earths.

How do we know the Sun has solar storms?

Because it has sunspots, flares, and prominences.

What do the solar storms cause?

They cause the Northern Lights.

What is the size of the Sun in our model?

A basketball.

What is the distance of the Sun from the Earth in the model?

26 meters

How does the Earth rotate?

The Eareth rotates counter-clockwise on its axis once every 24 hours.

When the Earth rotates, it makes objects in the sky appear to move in what direction?

Moves from east to west.

When the Sun is low in the sky, it creates____.

Long Shadows

When the Sun is high in the sky, it creates____.

Short Shadows

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