Vocabulary
Asteroids
Earth's moon
Solar System Facts
Seasons
100
What term is used to describe planets that are more dense and rocky?
Terrestrial
100
What is the name of our galaxy?
The Milky Way
100
Summer, Autumn, Winter, Spring
What are the Earth's four seasons?
200
What is the term for a chemical process in which hydrogen is converted to helium to produce energy?
Nuclear Fusion
200

Where can the majority of the asteroids in our solar system be found?

Between the orbits of Jupiter and Mars.

200
What type of galaxy is our galaxy?
Spiral
200
What is the main cause of earths seasons?
The Earth's axial tilt
300
What term is used to refer to the state of the Earth and the Moon when the Moon is closest to the Earth in its orbit?
Apogee
300
What is characteristic of a spiral galaxy?
Spiral arms
300
Name the planets in our solar system that have rings.
All jovian planets; Jupiter, Saturn, Uranus, and Neptune
300
Do the Northern and Southern Hemispheres experience the same seasons at the same time?
No
400
What term is used to refer to the state of the Earth and the Moon when the Moon is furthest from the Earth in its orbit?
Perigee
400
Neap tide
What is lowest difference in high and low tide?
400
What is thought to be at the center of our Galaxy?
A massive black hole.
400
What chemical process takes place in the core of the Sun?
Nuclear Fusion
400

What is the name of a day in which the day and night are of equal duration?

Equinox

500
What main method do scientists use to gather information about the structure of our galaxy?
Radio Waves
500
Tractive Force
The type of gravitational force that causes the tides is called
500
Where are stars made in our galaxy?
The nebula
500
Which is hotter: the atmosphere of the sun or the surface of the sun.
The atmosphere.
500

What is the name given for those two days that are the shortest and longest of the year?

solstice

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