Science- lesson 1 & 2- Sun- Earth- Moon// Solar System

Ace your homework & exams now with Quizwiz!

An object that ________ the Sun, is massive enough to be nearly __________ in shape, and has no other large object in its orbital path is called a(n) _________

orbits spherical planet

Earth is one of eight ___________ orbiting the ________ in our solar system

planets sun

A(n) ___________________ is the orbit of an object around another object.

revolution

The closer a planet is to the Sun, the faster it ________

revolves

The Moon ______________ on it axis and _____________ around thee Earth in 27.3 ____________.

rotates revolves days

The daily rising and falling levels of the oceans and other large bodies of water are called ______________, which are caused by ____________________ pull of the Moon and the Sun

tides gravitational

The most distant planet is ___________ which is about 30 AU from the Sun; however the solar system includes billions of small, icy objects in orbit around the __________ as far as __________ AU away

Neptune Sun 50,000

_____________ and Neptune appear to be blue because of the amounts of the gas _______________ in their atmospheres.

Uranus Methane

A full rotation for Earth takes how many hours?

24

How many days does it take the Earth to orbit the Sun?

365.25

There are _______ inner planets - in order from the Sun, they are _______, _______, ______, and _______.

4 Earth, Mercury, Venus, and Mars

There are ________ outer planets -- in order from the Sun, they are ________, ________, _______, and __________

4 Jupiter, Saturn, Uranus, and Neptune

Small, rocky objects that orbit the Sun are called _________ there are many of these objects in the __________________ belt between the planets Mars and __________.

asteroids asteroid Jupiter

The tilt of the Earth's ____________ toward or away from the Sun is the cause of ____________on Earth?

axis seasons

____________ and _______________ is caused by the spin motion of an object around its own axis is called ______________.

Day night rotation

A(n) ________________ between Earth and another planet-sized object might have thrown a large amount of ___________ into orbit around Earth, which gravity pulls together, forming the ___________.

collision debris moon

When the Moon is between Earth and the Sun, the half of the Moon facing Earth is in ____________ and the phase is a(n) _______________ moon; over the next two weeks, we say the Moon is __________________.

darkness new waxing

All 8 planets revolve in the same ____________ around the Sun.

direction

The other objects in the solar system formed from leftover gas and ________ pulled by gravity into a(n) __________.

dust disk

Objects that ______________ the Sun and are nearly spherical in shape, but they share their orbital paths with other objects of similar size are called ________________.

dwarf planets

On two days during the year, called ______________ one at the beginning of the spring and the other at the beginning of the fall, Earth's axis does not ____________ toward or away from the Sun.

equinoxes tilt

The solar system formed from a cloud of ________ and dust that pulled together due to the _______________.

gas force of gravity

The outer planets re made up mainly of ___________ and other materials that have ________________ boiling points.

gas high

The inner planets all formed from _________ elements, have few or no _______ and ________ more slowly than the outer planets.

heavier moons rotate

A bulge of water forms at the two places on Earth that are closest to and farthest from the Moon, and these places have ___________ tides.

high

The ____________ planets are the planets closest to the Sun; they are all _________ because when the solar system was forming, the areas closer to the _____________ were very _______ and the gases were blown away.

inner rocky Sun hot

These planets are ___________ than the inner planets, have systems of __________, have many __________ and have thick atmospheres.

larger rings moons

A meteoroid that passes through Earth's atmosphere produces a streak of _________ and is called a(n) ___________.

light meteor

If a meteoroid reaches Earth, it is called a(n) ________

meteorite

Solid bits of debris that travel through the solar system are called _____________

meteoroids

A natural satellite that orbits an object other than a star is called a(n) _____________.

moon

Although we don't sense its motion, Earth is ______________ rapidly through space.

moving

As the moon orbits ______________ , the visible part of the Moon reflecting the Sun's light seems to change ___________; these shapes are called the ______________ of the Moon

Earth shape phases

The average distance between ___________ and the Sun is about 150 million km, which is called a(n) _____________________ (AU).

Earth Astronomical Unit

During a lunar eclipse, people on Earth see ______________ shadow partially or completely cover the ____________.

Earth's Moon

When Earth is between the Moon and the Sun, the half of the Moon facing Earth is completely lit up and the phase is ___________ moon; over the next two weeks, we say he Moon is _____________.

Full waning

What is the reason the moon orbits the Earth and the Earth orbits the Sun?

Gravity

The largest planet in the solar system is ______________.

Jupiter

____________ and objects that are too small to be classified as planets make up the solar system

Planets

____________ is the only planet that has rings that are easy to see.

Saturn

The movement of one solar system object into the _________________ of another solar system object is a(n) _______________.

Shadow Eclipse

During a(n) __________________ eclipse, people in the ______________ shadow on Earth see the Moon partially or completely cover the __________________.

Solar Moons Sun

On two days during the year, called the ________________, one at the beginning of the summer and one at the beginning of _______________, Earth's ___________ tilts most toward or away from the Sun.

Solstice winter axis

The location of the __________ relative to the _______________ can cause an increase or decrease in the level of the tides.

Sun Moon

The ____________ is made up of the Sun and everything that ________it

solar system orbits

Objects in our ________________________ orbit the Sun due to the Sun's huge mass and ________________ pull.

solar system gravitational

The Sun is one of billions of __________ in the Milky Way, which is one of billions of ___________ in the universe.

stars galaxies

The __________ is a star that formed at the _____________ of the solar system.

sun center

Small, icy objects that orbit the Sun and develop _________ as they get close to the Sun are called ________

tails comets


Related study sets

Biomechanics Final Exam Review: Projectile Motion

View Set

Elections and Political Participation Vocabulary

View Set

ATI Engage Fundamentals PN foundational concepts of nursing practice patient centered care

View Set

Hematology Test Review Questions

View Set

Social Studies Ch.2 lesson 1-3 ;)

View Set

Daddy-Positive Organizational Behavior and Psychological Capital- Ch 7

View Set

Human Sexuality: The Sex Hormones

View Set

Chapter 2: Company and Marketing Strategy

View Set

Chapter 15 - Job Search and Resumes

View Set