On the fall equinox, which hemisphere receives more radiation from the sun?
Neither one!
What shields Earth from harmful solar winds and cosmic radiation?
Earth's magnetic field
During which moon phase could we have a solar eclipse?
NEW mooon
Which moon phase occurs when the moon is between the Earth and sun?
NEW moon-can't see it
What type of technology have we used to explore the surface of Mars?
rovers
What the two most abundant gases in our atmosphere?
Nitrogen and Oxygen
I notice there's very little difference between high and low tide on a particular day at the beach. What phase(s) is the moon in when the tides are LESS extreme than usual?
1st quarter or 3rd quarter
What moon phase occurs when Earth is between the moon and sun?
FULL moon
What type of space technology is reusable; It takes off like a rocket but lands like a glider.
space shuttle
When the north pole of Earth's axis is tilted away from the sun, North America will have....
winter
What are 2 of the 3 things that the atmosphere does for our planet?
1. Burns up meteors as they enter the atmosphere
2. Absorbs and reflects solar radiation
3. Acts like a blanket trapping heat on Earth
How many spring tides do we have each month?
TWO--new or full moon
During which moon phase could we have a solar eclipse?
NEW moon
Who was the first American to step on the moon?
Neil Armstrong
Why do we have night and day?
Earth's rotation
How far is Earth from the sun?
93 million miles or 1 AU (astronomical unit)
What is the main cause of tides on Earth?
Moon's gravity
Approximately 2 weeks after the NEW moon we have a ....... moon.
FULL moon
What two countries were competing in the space race?
America and Russia (USSR)
True or False: seasons are caused by the Earth's distance from the sun.
False
Approximately how much of the Earth is covered with liquid water?
70-72%
During a solar eclipse, what special type of tides can you expect?
SPRING tides
What is the moon name that is less than a quarter?
crescent
Name a famous telescope...
Hubble, Kepler, James Webb......