Earth
How long does it take for Earth to complete one full movement?
A. 1 day
B. 1 week
C. 1 month
D. 1 year
Which characteristic do all the inner planets in our solar system have?
A. Rings
B. Many Moons
C. Lower Densities
D. Relatively large cores
D. Relatively large cores
Ashley notices changes in the moon over the course of a month. Which of the following sequences could Ashley have seen?
A. Full moon, new moon, third quarter moon, first quarter moon
B. New Moon, first quarter moon, full moon, third quarter moon
C. New Moon, first quarter moon, new moon, third quarter moon
D. Full moon, new moon, first quarter moon, third quarter moon
B
Some constellations are visible from different places on Earth only during part of the year. Why are these constellations not visible from every location on Earth year-round?
A. because of the Sun's rotation
B. because of the moon's revolution
C. because of the Earth's rotation
D. because of the Earth's revolution
(rotation- Earth moves in a circle, revolution- Earth moves around the sun)
D
A fourth grader in the United States does an experiment in her science class. At the same time, a fourth grader in China is asleep. Why is it daytime in the US while it is nighttime in China?
A. Earth's Rotation
B. Earth's Revolution
C. The Moon's Revolution
D. Earth's path as it orbits the Sun
A. Earth's Rotation
Each planet in the solar system has its own characteristics. Which set of characteristics describes Mars?
A. boiling hot, thick clouds
B. iron oxide in soil, fourth planet from the sun
C. made of frozen gases, stormy atmosphere
D. similar in size to Earth, atmosphere rich in carbon dioxide
B
The same side of the moon always faces Earth. Why is this?
A. Half the moon faces the Sun
B. The moon does not rotate like Earth does.
C. The moon's revolution and rotation are about the same length
D. Earth blocks part of the sunlight that shines on the moon's surface
C
In the United States, an August day is usually hotter than a January day. Why is this true?
A. The Sun gives off more heat in the summer.
B. Earth is closer to the sun in summer and farther away in winter.
C. Earth's rotation slows down in the summer and speeds up in winter
D. Earth's North Pole tilts towards the sun in summer and away from it in winter
D. Earth's North Pole tilts toward the sun in summer and away from it in winter
Pluto was once classified as a planet. Now it is classified as a dwarf planet. What is one reason for this change?
A. Pluto is too big to be a planet
B. Pluto has a core that is too small
C. Pluto's orbit crosses the orbit of another body
D. Pluto is too far from the sun to be in the solar system
C
Name the planets in order
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune