Quiz01 Flashcards

(40 cards)

0
Q

The twinkling objects in the night sky are great balls of _______and _________ called _________.

A

Gas
Dust
Star

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1
Q

A __________ is a ball of hot gases that gives off light and other types or energy.

A

Star

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2
Q

The ____________ is everything that exists throughout space.

A

Universe

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3
Q

The _________ is so large that scientists have ____ yet determined its actual size.

A

Universe

Not

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4
Q

A __________ is a system of stars, gas, and dust held together in space by gravity.

A

Galaxy

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5
Q

A __________ is a large nearly round space object that orbits a star. Ex. Venus is one of the ________ planets in the solar system.

A

Planet

Eight

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6
Q

A ________ is a large rocky object that orbits a planet. Earth’s ________ is covered with ____________ .

A

Moon
Moon
Creaters

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7
Q

List one fact you learned about the moon from quizzing your noodle!

A

We can only see one side of the moon

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8
Q

A _________________ is an object that orbits the sun, is larger than an asteroid and smaller than a planet, and has nearly round shape.

A

Dwarf Planet

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9
Q

_____________are rocky objects that orbit the sun. They are ________ than dwarf planets.

A

Asteroids

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10
Q

Most ______________are between Mars and Jupiter

A

Asteroids

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11
Q

___________ range in size from 1,000 km (________) across to as small as a grain of _____.

A

Asteroids
600 Miles
Sand

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12
Q

Because it is filled with tens of thousands of asteroids, this area is called the _____.

A

Asteroid Belt

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13
Q

One of the largest asteroids is _______.

A

Eros

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14
Q

List some facts about Mercury

A

It’s the smallest, fastest, and closest planet to the sun
it has the oldest surface
It has the wildest temperature changes
The surface would be covered with deep craters caused by space rocks crashing into it
It has no atmosphere
Daytime temperatures are extremely hot. Nighttime temperatures are extremely cold
It has no moons

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15
Q

This coming year (Jan 2012) Eros is expected to _____ within 26.7 million km (16.6 million miles) of Earth.

A

Pass

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16
Q

List some Facts about Venus

A

It is almost the same size as Earth
When you look into the night sly only the moon is brighter than Venus
It has an atmosphere made mostly of carbon dioxide
The atmosphere is extremely thick and poisonous
The pressure of the atmosphere is strong enough to crass a car
It is the hottest planet because of its atmosphere. It is hot enough to melt lead

17
Q

List some facts about Earth

A

It is home to all known life in the universe
Two basic features make life possible on Earth, distance from the sun, and the presence of liquid water
The atmosphere is a mixture of gases that surround the planet
It has one moon
It is sometimes called the blue planet because most of its surface is covered by water

18
Q

List some facts about Mars

A

It is only the half size of Earth
It is more like Earth that any other planet in the solar system
Like earth is has polar ice caps, four seasons, canyon’s, hills, plans, valleys, and volcanoes
IT has the largest know volcano in the entire solar system
The atmosphere is mostly carbon dioxide
Because its atmosphere is thinner than Earth’s atmosphere is always cold
It has 2 moons
It is a rusty red color because of the iron minerals in the soil

19
Q

List some facts about Jupiter

A

It is the 5th and biggest planet in the solar system
It is the 1st of the gas giants
It is so than 1,324 planet Earth could fit inside of it
It is made of gas, there is no solid surface anywhere
Scientists do think that Jupiter’s core contains some rocky materials
Jupiter atmosphere is mostly a mixture of hydrogen and helium gases
It has a famous great red spot that is a rotating storm
It has a fewer rings that are very hard to see
It has 62 moons

20
Q

List some facts about Saturn:

A

It is the 6th planet from the sun and also a gas giant
It is the 2nd largest planet in the solar system
Saturn’s very visible rings are made out of ice and rock
Saturn has at least 60 moons
Its largest moon, Titan, has an atmosphere

21
Q

List some facts about Uranus

A

The 7th planet from the sun and also gas giant
4 times larger than Earth
It is tilted on its side instead of spinning like a top, it appears to roll like a ball
It has at least 11 rings
It has at least 27 moons

22
Q

List some facts about Neptune

A

The 8th and last planet in our solar system
It is so similar to Uranus that some scientists call them twins
Neptune’s winds are the fastest in the solar system
It has extremely fainted rings
It has at least 13 moons

23
Q

Our solar system is made up of everything that revolves around the sun, including ________ , ___________, ________, __________ and _________..

A
Planets
Dwarf Planets
Moons
Asteroids
Comets
24
Inner planets are also called _________.
Rocky Planets
25
Outer planets are also called __________.
Gas Giants
26
The Moon orbits the Earth every _____days (1 month).
27.3
27
The Earth orbits once on its axle every _____ hours.
24
28
The Earth revolves (goes around) the Sun in _____ days (1 year)
365
29
One of the more unusual objects in space is a ______. Imagine a ball of _______and ______flying through space. That is basically a _______ .
Comet Ice Rock Comet
30
When ______ pass close to the sun, the sun’s energy _______ some of the ice to rock. The comet begins to ______ .
Comets Changes Glow
31
The glowing part of a comet is called a _____ .
Coma
32
A trail of gas and dust streams out behind the coma. The stream is called a ____ .
Tail
33
On Earth, passing through the trail left by a comet makes one of the most amazing sights in the night sky. These are ___________ are also known as shooting stars.
Meteor Showers
34
___________ are thousands of bits of solid material hitting Earth’s atmosphere and burning up.
Meteor Showers
35
_______ orbit the sun in an area beyond Neptune called the _______ belt.
Comets | Kaiper
36
Pieces of asteroids or comets that fall through space and enter Earth’s atmosphere are called ________.
Meteoroids
37
Meteoroids are______ than comets and asteroids.
Smaller
38
The light we see streaking across the sky is a _______ or a ________.
Meteor | Shooting Star
39
If an asteroid, comet, or meteoroid does not burn up completely on its trip though the atmosphere, it can land on Earth’s surface. These pieces of space rock are called __________.
Meteorites