Category 1
Name the objects that appear to move due to Earth's rotation.
The sun, stars, and moon.
What is the shape of Earth's orbit?
Elliptical.
How long does it take the moon to revolve around Earth?
27 days.
True or false: the inner planets are considered the "rocky" planets.
True.
Huge glowing ball of hot gas and its properties include size, color, and brightness.
Stars.
How long does it take Earth to complete 1 revolution?
365.25 days.
What is Earth's natural satellite?
The moon.
What is the largest planet in the solar system?
Jupiter.
What size star is the sun?
Medium-sized.
The name of the star that points north.
Polaris/North Star.
What is the reason for the seasons?
Earth's tilted axis.
What is the name of the side of the moon that is NEVER seen from Earth?
The far side of the moon.
Which planet is closest to the sun, the smallest, and has no atmosphere?
Mercury.
Why do stars appear as points in the sky?
Because they are very far away.
Daytime and nighttime occur due to Earth's rotation. How long does it take the Earth to make 1 complete rotation?
24 hours.
Why is the moon bright?
It reflects light from the sun.
Name the inner planets.
Mercury, Venus, Earth, and Mars.
Which two factors determine the apparent brightness of a star?
Actual brightness of the star and its distance from Earth.
What is the reason for shadows changing through the day?
The position of the sun in the sky.
When a still object seems to move to an observer (ex. the sun). What is this called?
Apparent motion.
Name 3 of the 8 moon phases.
Options:
New moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, third quarter, waning crescent.
List the components of the solar system.
Star (sun), planets, asteroids, comets, meteoroids.
Summer.
What force keeps all the planets and other celestial objects in orbit around the sun?
Gravity (the sun's)
When the Earth is neither tilted toward or away from the sun, what seasons can occur?
Fall (autumn) or spring.