Planets
Earth
Technology
Stars
Vocabulary
100
List the order of the planets in our Solar System.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
100
Earth rotates on an imaginary line called what?
Axis
100

Telescope that orbits the Earth

Hubble Space Telescope

100
Stars are hot, glowing balls of ______.
Gas
100
A person trained to command, pilot, or serve as a crew member of a spacecraft.
Astronaut
200
The two largest planets in our Solar System are...
Jupiter and Saturn.
200
How long does it take Earth to make one orbit around the Sun?
365 days (1 year)
200

The first technology used to study the stars

Telescope

200
Which is the closest star to Earth?
The Sun
200
A force which tries to pull two objects towards each other.
Gravity
300
This nickname is given to the 4 outer planets... because of their size and composition.
"Gas Giants"
300
During the winter season, which direction does the Northern Hemisphere point in relation to the Sun?
Away from the Sun.
300

Used to explore the surface of a planet

Rover 

300
A ___________ is a group of stars that form a picture.
Constellation
300
The path that one object in space takes around another object.
Orbit
400
This region of the Solar System divides our inner and outer planets.
Asteroid Belt
400
Why does the Southern and Northern Hemisphere experience opposite seasons?
Because when one side of the Earth is pointing towards the Sun (summer) the other side of the planet is pointed away from the Sun (winter).
400

Used to view distant planets or galaxies...Voyager is an example

Deep Space Probe

400
About how far away is our next closest star?
Proxima Centauri - 4.24 light years away
400
A bowl shaped hole on a moon or planet made by crashing rocks or asteroids.
Crater
500
What are three characteristics of the 4 inner planets.
1: Smaller in size 2: Made of rocky material 3: Not a lot of moons 4: Closest to the Sun (years are shorter/planets are warmer)
500
In your own words... describe a Midnight Sun and why does it occur?
When the Sun does not dip below the Horizon due to the tilt of the Earth's axis.
500

It orbits earth and astronauts live and work in it.

Space station

500
What are the 3 factors that determine a star's brightness?
1: Distance from Earth 2: Size 3: How quickly it burns Hydrogen
500
Satellites that travel with a planet as it orbits.
Moons
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