Earth & Moon
True or False: The Moon is a satellite that orbits the Earth.
True
he 2nd planet from the Sun.
Venus
True or False: The Sun is a planet.
False - It's a star
1 AU is defined as:
The average distance from the Earth to the Sun.
The galaxy we live in.
The Milky Way
The Earth’s magnetic field is responsible for this phenomenon.
Northern lights
Which planet is famous for its bright rings?
Saturn
The Sun generates energy by converting this element into helium
Hydrogen
Write 3,000,000 in scientific notation.
3 × 10⁶
The cluster of galaxies we belong to.
Local Group
The same side of the Moon always faces Earth because of what?
It rotates at the same rate it orbits Earth
Which planet is larger than all the others combined?
Jupiter
Most asteroids orbit between Mars and Jupiter in this region.
Asteroid Belt
A light-year measures ________.
Distance light travels in one year
Our Local Group is part of this supercluster.
Virgo Supercluster
Why does the Moon have very little seismic activity compared to Earth?
It’s small, loses heat quickly, cooler core
Pluto is now classified as what type of object?
Dwarf planet
Name one of the three criteria for being considered a planet.
Orbits the Sun, nearly spherical, clears orbital path
Convert 0.00042 into scientific notation.
4.2 × 10⁻⁴
This theory explains the origin of the universe.
The Big Bang
Name two reasons Earth is the only known planet to sustain life.
Atmosphere, liquid water, moderate temperature, magnetic field
Which planet spins on its side due to a past collision?
Uranus
The Sun contains about how many times more matter than all the planets combined?
About 1000 times more
The speed of light is about how many meters per second?
3 × 10⁸ m/s
The name for the unknown energy driving the universe’s expansion faster.
Dark energy