The sudden massive expansion of matter at the beginning of our universe.
What is the Big Bang?
100
The force that pulls everything toward the ground.
What is gravity?
100
This is the name of the nursery in which all stars are born.
What is a nebulae?
100
The galaxy in which our solar systems located.
What is the Milky Way?
100
The name of the spaceship or mission that carried the first astronauts to the moon.
What is Apollo 11?
200
The size of the __________ is constantly growing every second.
What is the universe?
200
This scientist is famous for being inspired by an apple falling from a tree, which led him to discover the gravitational pull on our planet.
Who is Isaac Newton?
200
Our Sun is in this stage of it's lifecycle right now.
What is the Red Giant stage?
200
A collection of gas, dust, stars, planets, moons and other matter held together by gravity.
What is a galaxy?
200
The names of the first two humans to set foot on the moon.
Who are Buzz Aldrin and Neil Armstrong?
300
The age of our universe.
What is 13.7 billion years old?
300
This is the measure of the pull of gravity on an object. (We made calculations in class.)
What is weight?
300
The name of the stage of our Sun in about 5 billion years when its outer layers will be ejected while its core will contract.
What is a planetary nebulae?
300
This is the shape of the Milky Way, a disk with a bulge in the center and arms that flair outward from the center.
What is a barred spiral galaxy?
300
During this phase, the moon is barely visible in the night sky.
What is the New Moon?
400
The name of the man who made one of the most important discoveries of the 1900's, proving that the universe is expanding. (A very famous telescope is named after him.)
Who is Edwin Hubble?
400
Newton discovered that the greater an objects ______, the greater the effect of gravity or pull on other objects.
What is mass?
400
When our Sun is in this stage, it will be as small as the size of Earth.
What is a White Dwarf?
400
It would take this many years traveling at the speed of light to get from one end to the other end of our galaxy.
What is 100,000 years?
400
When the moon is growing bigger and looks sickle-shaped, we give it this name.
What is the Waxing Crescent phase?
500
This was formed 100,000,000 years before the Earth and the Moon were formed.
What is the Sun?
500
Newton discovered that the __________ between objects affects the pull of gravity. The farther apart objects are the weaker the pull of gravity between them and the closer together objects are the stronger the pull of gravity between them.
What is distance?
500
Low-mass stars like our sun have this life span.
What is tens of millions to trillions of years or a longer life span that high-mass stars?
500
Our solar system is located on this outer arm of our galaxy.
What is the Orion arm?
500
The first stage after the Full Moon when it is growing smaller and looks humpbacked.