Reading...
Play button
Play button
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;
12 Cards in this Set
- Front
- Back
|
______ sun rays fall straight on the surface of Earth.
|
direct
|
|
|
What are the four periods of the year called?
|
seasons
|
|
|
How many high tides do most places have in one day?
|
2
|
|
|
How many planets have scientists found in our solar system?
|
9
|
|
|
The _______ side of the moon is closest to the sun during a solar eclipse.
|
lighted
|
|
|
When it is summer in the US the _______ is tilted toward the sun.
|
north pole
|
|
|
How long does it take the Earth to complete one revolution?
|
one year
|
|
|
Earth turns around an imaginary line through its center called _________.
|
an axis
|
|
|
Which of the following is closest to Earth?
The sun, Mars, the moon, or Venus |
the moon
|
|
|
What is the main cause of tides?
|
The pull of gravity between the Earth and the moon
|
|
|
The moon gets dark during a lunar eclipse because _____ shadow falls on the moon.
|
Earth's
|
|
|
What is a body in space that moves in a regular path around the sun?
|
planet
|
