My Crossword Maker Logo
Powered by BrightSprout
Save Status:
or to save your progress. The page will not refresh.
Controls:
SPACEBAR SWITCHES TYPING DIRECTION
Answer Key:
Edit a Copy:
Make Your Own:
Crossword Word Search Worksheet
Rate This Puzzle:
Log in or sign up to rate this puzzle.

CHALLENGE CROSSWORD I

Across
The earliest atoms in the universe were hydrogen,___________ and lithium
This almost eliminated matter completely within one second of the Big Bang
Helps explain why galaxies continue to speed up as they move away from the center of the universe
Motion is ____________ energy
Gravitational _________, which produces strange arcs of light and rings around galaxies, provides proof that dark matter exists
When energy from the Big Bang began to cool, ______________particles began to form. This was the first matter in the universe.
The amount of potential energy loaded into a system determines this
Research on the Big Bang is conducted in this 5-story machine in Switzerland
____________ ___________radiation is one proof that the Big Bang happened
With too much gravity, the early universe would have collapsed into ______________
Theory about the beginning of the universe
Science that studies the origin and development of the universe
If matter changes or moves in any way, it is because of _______
Thermal (heat) energy lost to a system because surfaces rub against each other
Down
On the "baby picture" of the universe, the dark blue areas represented areas of __________ matter
Raising a ball 3 feet above a table results in an increase in ______________energy
This accounts for about 25% of the "stuff" of the universe
The universe is 13.5 ______________years old
The first "thing" to emerge from the Big Bang
In the early universe, this milky white substance prevented light from shooting across the universe
The Big Bang began with a single, dense point which included EVERYTHING in our present universe
Nickname for the theory that claims the universe will someday collapse on itself
The theory that this universe is really just one of many
380,000 years after the Big Bang, _________ raced across the universe
The battle between matter and antimatter resulted in a universe made of ______________ particles
His famous equation proved that matter and energy are actually interchangeable
Anything that has mass and takes up space