Zachary Ricky
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Test for my Earth Science Class. 10-12-15

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Zachary Ricky
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Earth Science Unit 1 Practice Test

Earth Science Unit 1 Practice Test

Question 1 of 52

1

1.The age of the solar system is thought to be about

Select one of the following:

  • 1.5 Billion years

  • 3.5 billion years

  • 4.6 billion years

  • 13.7 billion years

Explanation

Question 2 of 52

1

Which of the following is evidence used to determine the age of the solar system?

Select one of the following:

  • meteorites

  • fossils

  • comets

  • asteroids

Explanation

Question 3 of 52

1

Which of the following is an important clue about how the solar system formed?

Select one of the following:

  • the planets are different sizes and shapes

  • the planets all orbit the sun in the same direction

  • the planets orbit the sun in different directions

  • the planets rotate on their axis at the same speed

Explanation

Question 4 of 52

1

The first object to form in the solar system was the

Select one of the following:

  • planets

  • sun

  • asteroids

  • moons

Explanation

Question 5 of 52

1

A giant nebula is made mostly of

Select one of the following:

  • hydrogen and helium

  • heavy elements

  • hydrogen and iron

  • helium and iron

Explanation

Question 6 of 52

1

What causes a giant nebula to contract?

Select one of the following:

  • pressure

  • gases

  • the sun

  • gravity

Explanation

Question 7 of 52

1

All planets orbit the Sun on almost the same plane. This is a clue to

Select one of the following:

  • the formation of the sun

  • the formation of the galaxy

  • the formation of the universe

  • the formation of the solar system

Explanation

Question 8 of 52

1

Nebulas come from materials that are left over from the big bang or from...

Select one of the following:

  • dying planets

  • escaped gases

  • debris from previous supernovas

  • the asteroid belt

Explanation

Question 9 of 52

1

The planets and moons formed by what starting to clump together and colliding with other

Select one of the following:

  • escaped gases

  • small pieces of dust

  • spiraling galaxies

  • imaginary particles

Explanation

Question 10 of 52

1

A nebula spins more rapidly as it collapses because of...

Select one of the following:

  • gravity

  • gases and gravity opposing each other

  • angular momentum conversation

  • Newton's laws of motion

Explanation

Question 11 of 52

1

The star in the milky way galaxy is what size star?

Select one of the following:

  • small sized star

  • average sized star

  • large sized star

  • massive sized star

Explanation

Question 12 of 52

1

How many planets are in our solar system?

Select one of the following:

  • 8

  • 9

  • 10

  • 11

Explanation

Question 13 of 52

1

What is the name of the dwarf planet?

Select one of the following:

  • Jupiter

  • Saturn

  • Neptune

  • Pluto

Explanation

Question 14 of 52

1

What is the dwarf planet made of?

Select one of the following:

  • hydrogen and helium

  • liquid water and rock

  • rock and methane ice

  • water ice and rock

Explanation

Question 15 of 52

1

Which is the coldest planet/dwarf planet?

Select one of the following:

  • number one

  • number three

  • number seven

  • number nine

Explanation

Question 16 of 52

1

Which two planets are very similar in the structure and atmosphere?

Select one of the following:

  • Earth,Venus

  • Saturn,Mars

  • Neptune, Uranus

  • Mercury, Jupiter

Explanation

Question 17 of 52

1

Which planet is the largest?

Select one of the following:

  • Jupiter

  • Saturn

  • Neptune

  • Uranus

Explanation

Question 18 of 52

1

Which planet has ice in polar regions and a thin atmosphere of carbon dioxide?

Select one of the following:

  • Mercury

  • Venus

  • Earth

  • Mars

Explanation

Question 19 of 52

1

Which planet/dwarf planet is the hottest?

Select one of the following:

  • Mercury

  • Venus

  • Earth

  • Pluto

Explanation

Question 20 of 52

1

Which planet has a moderate temperature?

Select one of the following:

  • Jupiter

  • Venus

  • Earth

  • Saturn

Explanation

Question 21 of 52

1

Which planet has an atmosphere that is mostly nitrogen?

Select one of the following:

  • Neptune

  • Venus

  • Earth

  • Mars

Explanation

Question 22 of 52

1

Which planet/dwarf planet has an atmosphere of carbon dioxide so thick you cannot see the surface?

Select one of the following:

  • Pluto

  • Mars

  • Saturn

  • Venus

Explanation

Question 23 of 52

1

Which planet has the largest change in its temperature?

Select one of the following:

  • Mercury

  • Pluto

  • Earth

  • Uranus

Explanation

Question 24 of 52

1

Which planet/dwarf planet has just a hint of methane for its atmosphere?

Select one of the following:

  • Mercury

  • Pluto

  • Jupiter

  • Saturn

Explanation

Question 25 of 52

1

Which planet/dwarf planet has just a hint of helium for its atmosphere?

Select one of the following:

  • Mercury

  • Pluto

  • Jupiter

  • Saturn

Explanation

Question 26 of 52

1

Which planet is the smallest?

Select one of the following:

  • Mercury

  • Venus

  • Jupiter

  • Saturn

Explanation

Question 27 of 52

1

Which planet has an extraordinary ring system?

Select one of the following:

  • Jupiter

  • Saturn

  • Neptune

  • Uranus

Explanation

Question 28 of 52

1

What are the rings around Saturn made of?

Select one of the following:

  • dust

  • rocks

  • ice

  • gases

Explanation

Question 29 of 52

1

Which planet would float in water?

Select one of the following:

  • Saturn

  • Neptune

  • Uranus

  • Pluto

Explanation

Question 30 of 52

1

Which two planets are liquid inside?

Select one of the following:

  • Earth, Venus

  • Neptune, Mars

  • Mercury, Jupiter

  • Saturn, Jupiter

Explanation

Question 31 of 52

1

Fill the blank spaces to complete the text.

List the planets in order working from the Sun outward.

, , , , , , ,

Explanation

Question 32 of 52

1

There are irregularly shaped bodies that orbit the sun.

Select one of the following:

  • comets

  • asteroids

  • planets

  • meteorites

Explanation

Question 33 of 52

1

Objects that have not cleared their orbits of other objects are

Select one of the following:

  • comets

  • meteors

  • dwarf planets

  • meteorites

Explanation

Question 34 of 52

1

What is found between Mars and Jupiter?

Select one of the following:

  • Kuiper Belt

  • Oort cloud

  • Comet Belt

  • Asteroid Belt

Explanation

Question 35 of 52

1

Long period comets comets come from very distant region of the solar system called...

Select one of the following:

  • Kuiper Belt

  • Oort cloud

  • Comet belt

  • Asteroid Belt

Explanation

Question 36 of 52

1

What is believed to have caused mass organism extinction on Earth's past?

Select one of the following:

  • comets

  • asteroids

  • planets

  • meteorites

Explanation

Question 37 of 52

1

What leaves a trail of glowing ice particles, water vapor, and gases as it moves through the solar system?

Select one of the following:

  • comets

  • asteroids

  • planets

  • merteorites

Explanation

Question 38 of 52

1

These are small icy objects that orbit the sun

Select one of the following:

  • comets

  • asteroids

  • planets

  • meteorites

Explanation

Question 39 of 52

1

What provides scientists with clues about our solar system?

Select one of the following:

  • meteoroids

  • meteors

  • meteorites

  • dwarf planets

Explanation

Question 40 of 52

1

These orbit the Sun but have no atmosphere or internal heat.

Select one of the following:

  • asteroids

  • comets

  • meteors

  • meteoroids

Explanation

Question 41 of 52

1

How many known dwarf planets are there in our solar system?

Select one of the following:

  • one

  • three

  • five

  • seven

Explanation

Question 42 of 52

1

Jupiter's massive gravity kept many these from forming into another planet?

Select one of the following:

  • comets

  • asteroids

  • meteoroids

  • meteorites

Explanation

Question 43 of 52

1

There are over 4,500 of these objects know to pass Earth on a regular basis.

Select one of the following:

  • meteors

  • meteorites

  • asteroids

  • comets

Explanation

Question 44 of 52

1

What is a coma?

Select one of the following:

  • name of a dwarf planet

  • developing star

  • vaporized gas and dust

  • tiny grains of sand of a merteoroid

Explanation

Question 45 of 52

1

What do we call debris left over by comets when it gets pulled toward Earth by gravity?

Select one of the following:

  • meteors

  • meteorites

  • meteoroids

  • dust

Explanation

Question 46 of 52

1

Some meteorites found on Earth are believed to have come from which planet?

Select one of the following:

  • Mercury

  • Venus

  • Mars

  • Pluto

Explanation

Question 47 of 52

1

Which of the following are often called "shooting stars"

Select one of the following:

  • meteors

  • meteorites

  • meteoroids

  • asteroids

Explanation

Question 48 of 52

1

What determines a comets period?

Select one of the following:

  • Length of time for the comet to orbit the sun

  • Length of time for the comet to totally break apart

  • Length of time for one visit close to Earth and the next

  • Length of time for a comet to from a nebula

Explanation

Question 49 of 52

1

When a meteoroid is as small as tiny grains of sand it is called?

Select one of the following:

  • debris

  • interplanetary dust

  • meteoroids

  • ateroids

Explanation

Question 50 of 52

1

Which of the follwoing typically have extremely elliptical orbits around the sun?

Select one of the following:

  • meteors

  • comets

  • meteoroids

  • ateroids

Explanation

Question 51 of 52

1

All of the following are considered dwarf planets except

Select one of the following:

  • Eris

  • Makemake

  • Pluto

  • Orion

Explanation

Question 52 of 52

1

Kuiper belt is located beyond

Select one of the following:

  • Mercury

  • Saturn

  • Neptune

  • Uranus

Explanation

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