The Earth
What is gravity?
Gravity is a force that pulls objects towards Earth's center.
What were sundials used for?
They were used to tell time.
True or False: The moon produces its own light.
False! The sun lights up the moon.
How many stars are in our solar system?
One!
Name three constellations
Big dipper, little dipper, orion, canis major, canis minor, aquarius, cancer, virgo, scorpio (ect.), draco, pegasus, hydra
Name 4 reasons gravity is important
1. keep us from floating away 2. sun's gravity keeps earth in orbit 3. keeps us from burning up in the sun 4. our weight is affected by gravity 5. causes the moon to revolve around the earth
Your shadow is the longest in the... (2 for 400)
What is this moon phase?
New Moon
How many planets in the solar system?
8
Why is the Sun our brightest star?
It is our closest star
What is air resistance?
A force that acts in the opposite way of a moving object
Your shadow is the shortest in the...
afternoon
What is it called when there is more than one full moon in a month?
A Blue Moon
Name all the planets in the solar system (extra 300 for acronym)
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
Which star is used for navigation?
Polaris (the North Star)
Earth's rotation around its axis takes...
24 hours
Stars in a pattern are called... (extra 400 if you can name 4 constellations)
constellations
Full Moon
What is the name of the process of the solar system's creation?
The Big Bang
What is a supernova?
It is a star explosion resulting in a blackhole, only for large stars
Earth's revolution around the Sun takes...
365 days
When a big star dies it turns into a... (extra 500 if you can tell the first step of a stars life cycle)
blackhole
What moon phase is this? (1000 points for full answer)
Waxing Crescent
How many stars are in our galaxy?
What occurs before a blackhole?
A supernova