Test Questions
24 hours is the time it takes for _______________________.
the Earth to completely rotate on its axis.
If the Earth revolved more slowly in its orbit around the sun, ________________________.
You are outside under a tree. As you sit there the shadow got smaller and smaller. Was it morning or afternoon?
Morning
The time when the water level is at its highest.
Night time; in the winter
What % of the Earth in always lit by the sun
50%
A planet has a shorter day than Earth does. Why?
it takes less time to complete a rotation on its axis
The Earth is tilted this direction in the winter.
Tilted away from the sun
The shadow is pointing west. What time of day is it?
Morning
When something is plausible, it is?
This causes ocean tides.
the gravitational pull between Earth and the Sun and Moon
This causes the day-night cycle.
earth's rotation on axis
The shadows travel in what direction?
clockwise; east - west
An imaginary line through the center of Earth, which Earth rotates on.
its axis
Earth's tilt causes___________________.
more daylight in the summer; seasons
About how long does 1 cycle of the moon phases last?
a month
Where does the moon go during the day?
What is it stays in the sky, you just can't see it because of the sun's light.
What is the difference between an asteroid and a meteor?
An asteroid is a rock that orbits in space
A meteor is a flaming rock that enters the Earth's atmosphere
Changing seasons are caused by __________________.
the tilt of the Earth's axis; the orbital path that the Earth takes around the sun
What happens when the moon blocks the sun's light on Earth?
A solar eclipse
What is the difference between an orbit and a revolution?
Orbit is the path that the Earth is on as it goes around the sun.
Revolution is the full, complete rotation of the Earth around the sun
How do sundials work?
use shadow position to tell time
List three phenomenons that can happen in space.
Black Hole
Comet
Shooting Star (Meteor)
Stars burn out
If the Earth's axis were tilted 50 degrees, which would result? A longer day-night cycle; more extreme seasons; a longer year
more extreme seasons