Chapter 15
The earth spins on an imaginary line called an
axis
Which of these planets are the farthest from the sun?
Venus, Saturn, Mercury, Neptune
Neptune
star
Name the 4 inner planets
Mercury, Venus, Earth, and Mars
Name the 4 outer planets.
Jupiter, Saturn, Uranus, and Neptune
How long does it take for Earth to rotate one time?
24 hours
Why is Mercury very dry and hot?
Closet to the sun
What is the center of our solar system?
the sun
List the four in planets in order
Mercury, Venus, Earth, Mars
The northern half of the earth tilts away from the sun during which month?
Winter
Which planet has a reddish-orange surface and has two moons?
Mars
Why do some stars appear dimmer than others?
They are farther away from Earth
What causes shade beneath a tree on Earth?
The tree blocking sunlight
The path the Saturn travels around the Sun is called?
Orbits around the sun as it rotates on its axis
What causes the seasons to change on Earth?
the tilt of the Earth and its revolution around the sun
What do all the outer planets have in common?
They are not solid and made of gas.
What would Earth look like with no Sun?
There would be no life because we would have no heat and energy
In summer on Earth, the number of hours of daylight is _____________ the number of hours of darkness.
greater than
Which outer planet rotates differently from the others?
Uranus
noon
What are three things that allow us to live on earth?
liquid water, atmosphere, mild temperatures.
If you notice different constellations at different times of the year, what will you notice about how they move.
They don't really move. We are moving and in different spots around the sun.
Describe a feature of each planet.
Mercury
Venus
Earth
Mars
Which planet is farthest from the Sun?
Neptune