Solar System
What separates the inner planets from the outer planets?
An asteroid belt
Which are made of rock? Inner or outer planets?
Inner planets (Mercury, Venus, Earth, and Mars) are made of rock.
Are the inner or outer planets smaller?
Inner planets are smaller than outer planets.
How long is Earth's revolution period?
It takes 365 days or 1 year for the Earth to revolve around (orbit) the Sun.
Which of the following planets is a gas planet and not a rocky planet like Earth? -Mars -Mercury -Jupiter -Venus
Jupiter
Which four planets are the outer planets?
Jupiter, Saturn, Uranus, Neptune
Which two planets are closest to Earth?
Mars and Venus
What is the order of the planets?
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
What four planets are considered to be the inner planets?
Mercury, Venus, Earth, and Mars
What should you do when investigating the Sun outside?
Never look directly at the Sun with your eyes and wear sunglasses
The side of the Earth that is facing away from the Sun is having ______.
Night
What gases make up the atmosphere of the inner planets?
Nitrogen and oxygen, like Earth since Earth is an inner planet.
Which constellation is visible in the winter night sky and is named for the hunter in Greek mythology?
Orion
Which are made of gas and are nicknamed "gas giants?"
Outer planets (Jupiter, Saturn, Uranus, Neptune)
Are the inner planets or outer planets larger?
Outer planets are larger than inner planets.
Do inner or outer planets have a thicker atmosphere?
Outer planets have a thicker atmosphere with many gases.
When the Earth turns completely around once on its axis, that is called a __________.
Rotation.
What device measures the angle between an object in the sky and the horizon? This device helped navigators find their latitude (position on the Earth).
Sextant
During which season is the Northern Hemisphere tilted toward the Sun?
Summer
This device gathers more light than the eye, so it makes faint, faraway objects seem brighter and closer. Astronomers use these to look deeper into the Solar System.
Telescope
What is another name for the inner planets?
Terrestrial planets. Terrestrial means land which makes sense since the inner planets are made of rock.
Which statement is correct about how the Sun, the Moon, and the Earth revolve? -The Sun goes around the Earth, and the Earth goes around the moon -The Earth goes around the Moon and the Sun -The Moon goes around the Sun, and the Earth goes around the Moon -The Earth goes around the Sun and the Moon goes around the Earth.
The Earth orbits/goes around the Sun while the Moon orbits/goes around Earth.
What are the two nicknames for Ursa Major?
The Great Bear and the Big Dipper
Are the inner or outer planets warmer?
The inner planets are warmer because they are closer to the Sun.
Do inner or outer planets have rings of dust and ice?
The outer planets (Jupiter, Saturn, Uranus, Neptune) have rings of dust and ice.
What are some similarities between inner and outer planets?
They all orbit the sun; some inner and some outer planets were named after Roman gods; they are separated by the asteroid belt.
What is another name for the outer planets?
They are nicknamed "gas giants" and are also called Jovian planets. Jovian has to do with the god, Jupiter, as many of the outer planets were named after Roman gods, Jupiter being one of them.
What is a similarity that both the Earth and the Moon share?
They both have a rocky surface.
What does "revolve" mean?
To go around.
What does "rotation" mean?
To spin or turn.
True or False: People in the Northern Hemisphere do not see the same constellations as the people in the Southern Hemisphere.
True.
What constellation is often called the "Little Dipper" and contains the North Star (Polaris)?
Ursa Minor - also known as the Little Bear
What phase is shown in the 3rd moon?
Waxing Gibbous
Orion
What constellation is shown here?
Full Moon
What do you call this phase of the Moon in which the Moon looks like a bright white disc?
The picture shows the 3rd Quarter so the next phase would be Waning Crescent.
What is the next phase of the Moon after this one?
Waning Crescent
What moon phase is this?
Waning Gibbous
What moon phase is this?
Waxing Crescent
What moon phase is this?
Waxing Gibbous
What phase is shown in the 4th moon?
Last Quarter
Which moon phase is this?
1st Quarter Moon
Which phase of the moon is this?
Full
Which phase of the moon is this?
New Moon
Which phase of the moon is this?
Waxing Gibbous
Which phase of the moon is this?
Each cycle from New Moon to New Moon takes approximately ________.
27.3 days, approximately 4 weeks (creating our month system).
It takes approximately ____ for the Earth to make one complete orbit around the Sun.
365 days, 1 year.
3rd
Earth is the _____ planet from the Sun.
What causes day and night on Earth?
Earth's rotation on its axis. As the Earth rotates, only the part of the Earth lit by the Sun experiences daytime.
What causes the seasons?
Earth's tilt on its axis and Earth's revolution around the Sun.
In what direction does the Sun appear to travel across the sky?
East to West
The imaginary line that goes through the center of the Earth is called the _________
Equator.
True or False: The Sun orbits Earth.
False. Earth orbits the Sun.
True or False: The North Star is on Orion's belt.
False. The North Star is found in Ursa Minor.
Which gases make up the atmosphere of the outer planets?
Hydrogen, ammonia, helium, and methane.
How long is Earth's rotation period?
24 hours or 1 day.
This instrument was used for finding the time of a sunrise or sunset, determining local time, and locating and predicting the positions of the Sun, Moon, planet, and stars.
Astrolabe
A student draws his shadow at 9:00 in the morning. How will his shadow look at noon?
At noon, his shadow will be much shorter than the morning shadow or there will be no shadow at all if the Sun is directly overhead.
When looking through a telescope, the object appears _________.
Closer.
Which navigational instrument shows us directions (North, South, East, West) with the help of a small magnetic needle pointing North?
Compass
What does Earth's rotation cause?
Day and night.