No student devices needed. Know more
23 questions
How long ago did the Big Bang occur?
13.8 billion years ago
4.6 billion years ago
13.8 million years ago
10 years ago
RED shift of light means the star is moving
toward Earth
away from Earth
not moving
BLUE shift of light means the star is moving
toward Earth
away from Earth
not moving
RED shift is proof that the universe is
expanding (getting bigger)
contracting (getting smaller)
RED shifted light has a
shorter wavelength
longer wavelength
BLUE shifted light has a
shorter wavelength
longer wavelength
Which provides proof that the universe is expanding?
Red shift of light from distant stars
Blue shift of light from distant starts
How long ago did the universe begin?
4.6 billion years
14 million years ago
13.8 billion years ago
4.6 million years ago
Ever since the universe began, the universe has been
expanding
contracting
stays the same size
Which of the following is proof for the Big Bang Theory?
similar composition of Earth and the Moon
stars appear to move in the night time sky
cosmic background radiation
Ms. Phelan's dog chasing his tail
Cosmic Background Radiation is...
the remaining energy from the big bang.
incredibly hot.
visible to the human eye.
only located in certain places in the universe.
Most scientists believe the Big Bang Theory explains which of the following questions?
How our planets and moons formed
How our universe began
How the sun turns hydrogen into helium
How fast light travels through space
Which statement is true?
The galaxies are moving toward us.
The galaxies are moving away from us.
The universe remains static or unchanged in motion.
None of the above
The temperature of the universe:
is constant.
varies between 20 to 6,000 degrees Fahrenheit.
has increased to about 10,000 degrees Celsius.
has cooled to about 2.7 Kelvin.
Explore all questions with a free account