Vocabulary
A streak of light across the night sky, sometimes called a shooting star, is actually a...
meteor
The Sun is made of...
hydrogen and helium
Which galaxy has a bright center and a circular or oval shape?
Elliptical
Why does the sun appear so hot and bright to us?
It is the star closest to Earth.
TRUE OR FALSE: Outer planets have fewer moons that inner planets.
False. Outer planets have more planets.
Large chunks of rock that create a belt between the inner and outer planets are called...
asteroids
Which planet has the Great Dark Spot?
Neptune
Which galaxy has no definite shape?
Irregular
When our side of Earth is facing the sun, what time of day is it?
Daytime
The imaginary line that planets rotate on.
Axis
What do you call a meteorite BEFORE it enters Earth's atmosphere?
meteroid
Earth has rocky layers and an atmosphere of mostly...
nitrogen and oxygen
What is the color of the hottest stars?
Blue
How long does it take the moon to revolve around Earth?
About a month
The path that planets take around the sun.
Orbit
Pluto crosses other planets' orbits, so it is classified as a...
dwarf planet
TRUE OR FALSE: Outer planets have solid cores.
False. Outer planets are made of gas.
TRUE OR FALSE: Larger stars appear brighter.
True. The larger the star, there are more visible light it gives off.
What determines our seasons?
The Earth's location around the Sun.
This planet is sometimes called Earth's sister planet.
Venus
When we see a comet's tail it is because it is close to...
the sun
Is the mass of outer planets larger or smaller than inner planets?
Larger
What is the difference between a spiral galaxy and a barred spiral galaxy?
The shape of the center. Barred spiral galaxies have a "bar of stars" in its center.
A ____ eclipse occurs when the moon moves into Earth's shadow.
lunar
What causes moon phases?
The moon's revolution around the moon allows for different amounts of sunlight to be reflected.