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How is the universe structured? (What does it contain?)
It contains billions of galaxies which are grouped into clusters and superclusters.
In what galaxy is Earth located in the universe?
The Milky Way Galaxy
Earth orbits the _________.
Sun
What color is our nearest star- the Sun (white, blue, yellow, orange or red)?
The Sun is a yellow star.
The sun is more massive than 90% of the stars in the Milky Way Galaxy. T or F
True
The protons of which gas are fused together in a star?
Hydrogen gas
Nuclear reactions occur in the core of the sun and the moon. T or F
False
Fusion is "slamming together" of 2 atoms to form a heavier atom. T or F
True
In the core of the sun, hydrogen is being converted into helium. This is called _____.
fusion or nuclear fusion
Earth is the 4th planet from the Sun. True or False
False- Third planet from the Sun.
Earth is the only planet know to have large amounts of liquid H2O at its surface.T or F
True
Name 5 objects in the solar system.
Planets, Sun, dwarf planets, asteroids, comets, meteoroids, Moon (any 5)
Gravity continues to affect our solar system. True or False
True
Describe a solar eclipse.
Sun, Moon, Earth- The Moon's shadow covers part of Earth.
Describe a lunar eclipse.
Sun, Earth, Moon: Earth's shadow covers the Moon.
The Moon's gravity is mostly responsible for the _______ on Earth.
tides
