The Solar System

As the Earth travels around the Sun, it rotates around an imaginary line called its __________ .
How many hours does it take for the Earth to make one complete rotation?
1. 365
2. 24
3. 12
4. 60
The path that the Earth travels in around the Sun is called its _____________ .
It takes approximately __________ days for the Earth to complete one revolution around the Sun.
1. 24
2. 365 1/4
3. 365
4. 30
During the wInter, North America is tilted _____________ the Sun.
1. away from
2. towards
3. neither
The 'seasons' are caused by:
1. the change in the distance the Earth is from the Sun during the year.
2. the tilting of the Earth's axis.
When it is night in New York, New York is facing _____________ from the Sun.
1. toward
2. away from
3. neither
The Earth is shaped like a ____________ .
1. circle
2. sphere
3. cube
4. cone
The Earth's moon revolves around the __________ .
1. Sun
2. Earth
3. planets
The Moon ______________ rotate on its axis.
1. does
2. does not
If you land on the dark side of the Moon, all you have to do is wait a few hours and it will soon be daylight.
1. True
2. False
It takes about ___________ days for the Moon to revolve around the Earth.
1. 365
2. 29
3. 7
4. 24
The Moon is lighted by:
1. the Sun
2. light from the Earth
3. a light inside the Moon
4. the other planets
As the Moon revolves around the Earth, different parts of the Moon are lighted, and the Moon appears to change shape.. We call these changing shapes the Moon's ______________ .
During a New Moon, the Moon from the Earth appears:
1. all lighted
2. half lighted
3. not lighted
Most of the Moon's craters were caused by:
1. ancient volcanoes
2. chunks of rock or metal from space
3. earthquakes
4. erosion
When people travel to the Moon, they have to bring special equipment to survive, because the Moon has no _______ .
(Check all that apply)
1. air
2. gravity
3. water
4. walkable surfaces
5. living things to eat
Even though it appears to change shapes, the actual shape of the Moon is a ____________ .
The Sun, Earth, Moon, planets and their moons make up the ______________.
There are __________ known planets that revolve around the Sun in our Solar System.
The planet that is closest to the Sun is _____________.
1. Venus
2. Mercury
3. Mars
4. Earth
The planet that is farthest from the Sun is:
1. Neptune
2. Uranus
3. Saturn
4. Pluto
The largest planet in our solar system is:
The two primary forms of energy the Earth receives from the Sun are: (check the two that apply)
1. electrical
2. heat
3. light
4. nuclear
_____________ is the only planet in our solar system that we know has liquid water.
Check what the Sun is made of: (check all that apply)
1. hot gases
2. hot liquids
3. hot solids
Check the inner planets:
1. Pluto
2. Mercury
3. Neptune
4. Venus
5. Saturn
6. Earth
7. Mars
A tool that scientists use to study planets and stars is the ___________.
Check what planets have in common:
1. they all revolve around the Sun
2. they all have liquid water
3. they all reflect the Sun's light
4. they all are mostly made of solid rocklike materials
5. they all have moons
The two planets that are closest to our Earth are: (check the two)
1. Venus
2. Mercury
3. Mars
4. Jupiter