Rotation
Revolution
Seasons
The Moon
Random
100
Define rotation
The spinning of the Earth on its axis.
100
Define revolution.
Is when one object goes around another object. In this case, the earth revolves around the sun and the moon revolves around the earth.
100
What two factors are responsible for the creation of the seasons?
The tilt of the Earth's axis and the revolution of the Earth around the Sun.
100
What lights up the moon?
Reflection of the sun
100
What is the main force driving the Universe?
Gravity
200
What is an axis?
The imaginary line going through the Earth at the North and South poles
200
In science terms, what is a year?
A year is the time that it takes to revolve around the Sun once.
200
What season is it in the Southern Hemisphere?
Summer
200
What is responsible for the phases of the moon?
The positions of the Earth, Moon, and Sun.
200
What kind of star is our sun?
Midsize - Main Sequence Star
300
Why is it dark at night?
It is dark at night because the sun is hitting the other side of the earth where it is day time.
300
What is the difference between revolution and orbit?
A revolution is when an object goes around another object. An orbit is the specific path it takes to go around.
300
What season is it in the Northern Hemisphere when it is spring in the Southern Hemisphere?
Fall
300
Why do we always see the same side of the moon.
The moon takes 28 days to rotate on its axis and 28 days to revolve around the Earth. As a result, we only see one side of the moon.
300
Which types of waves have a longer wavelength than visible light?
Radio, TV, Microwaves
400
How long is one full rotation?
24 hours
400
Why does the earth revolve around the sun?
The sun's gravity
400
During which season is there the longest days? Why are days longest then?
Day length is the longest during the summer. Days are longest then because the Earth is tilted towards the Sun.
400
What is it called when the lit part of the moon is increasing? Decreasing?
Increasing: Waxing
Decreasing: Waning
400
Gamma rays have a ______ frequency and a ________ wavelength.
high, short
500
How are day and night created?
When the Earth rotates around it axis, the half of the Earth that is facing the Sun is in day and the half that not facing the Sun is in night.
500
Compare the Earth and Moon's revolutions. Include information about what they are revolving around and how long the revolution takes.
Earth: revolves around the Sun and it takes 365 days.
Moon: revolves around the Moon and it takes 28 days.
500
If the Earth's axis was straight up and down, how would the seasons be different?
Seasons would not really exist. All areas of the Earth would have similar climates.
500
Explain how a lunar eclipse is created.
The Earth moves between the Sun and the Moon. The shadow of the Earth puts the Moon into darkness.
500
In emission, electrons _______ energy and fall, but in absorption energy is _______ and electrons move out to the next level.
lose, absorbed