Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
20 Cards in this Set
- Front
- Back
How long does Earth's rotation take?
|
24 hours
|
|
Day and night are caused by what?
|
the earths rotatoin
|
|
How long does one complete revolution of Earth around the Sun take?
|
One year or 365 1/4 days
|
|
What is the cause of Earth's seasons?
|
The tilt of the earths axis
|
|
When the North end of the Earth's axis is tilted toward the sun, North America will experience what season?
|
Summer
|
|
The phase of the Moon you see depends on what?
|
How much of the sunlight side of the moon's faces earth
|
|
What positions are the Earth, Moon and Sun in during a solar eclipse?
|
The moon is directly between the sun and earth
|
|
When are the tides highest?
|
When the sun, earth and moon are in a striat line
|
|
Maria on the Moon's surface were formed by ancient what?
|
Maria was fromed by lava flowing abd then over time cooling
|
|
During what phase of the Moon can a lunar eclipse occur?
|
only on a full moon
|
|
.Tides are caused mainly by what?
|
Differences in the gravity of the Moon and how it pulls on different parts of the Earth.
|
|
What did Galileo call the pits on the surface of the Moon?
|
craters
|
|
How large is the Moon compared to Earth?
|
1/4 the size of Earth
|
|
Scientists think the Moon was formed when what occurred?
|
A large object collides with Earth and ejected material combines to form the Moon.
|
|
Why are you less likely to to see a total Solar Eclipse, than a total Lunar Eclipse?
|
The Moon's umbra only covers a small amount of the Earth's surface
|
|
.When do Neap tides occur?
|
When the Earth, Moon and Sun are nearly in a line.
|
|
The different shapes of the Moon seen from Earth are called?
|
Phases
|
|
The temperature of the Moon's surface varies greatly from day to night because the Earth has no ?
|
Atmosphere
|
|
.During a total Lunar Eclipse the Moon is in the Earth's ?
|
Umbra
|
|
Where might water be found on the Moon?
|
near the poles
|