What provides Earth with heat and light energy?
Sun
What tool is used to observe distant objects in the night sky?
telescope
Which of the inner planets is the biggest?
Earth
What keeps the planets in orbit around the sun?
Gravity
How long does it take for Earth to make one full rotation?
365 days
In the United States, the sun appears to rise in the _____ and set in the _____.
east, west
What size star is our sun?
medium
Which of the outer planets is the smallest?
Neptune
What is a planet?
body of rocks or gases around the sun
An Earth year is the time it takes for Earth to ___________________________________?
orbit the sun
Which is closer to Earth: stars or planets?
Planets
Give three details that describe the Hubble Space Telescope.
in space, data, pictures
Why are outer planets cold and dark?
farther away from the sun
Name the inner planets in order from the sun.
Mercury, Venus, Earth, Mars
At what time of day do you have the shortest shadow?
noon
What determines the color of a star?
temperature and size
In what ways can stars vary?
size, temperature
Which planet has the longest orbit?
Neptune
Name the outer planets in order from the sun.
Jupiter, Saturn, Uranus, Neptune
What does rotate mean?
to spin
What is the difference in the light we see from stars and the light we see from planets?
Stars give off light; planets reflect light
What is a star?
big ball of hot gas
Which of the following planets is the smallest: Venus, Mars, Uranus, Neptune?
Mars
Why do planets appear in different locations in the night sky while the pattern of stars in a constellation stays the same?
planets move
What does revolve mean?
orbit