The Big Bang

The scientifically accepted theory that describes how the universe expanded from a singularity with an initial state of infinite density and temperature.

• Big Bang theory

• Theory of Natural Selection

• General theory of Relativity

• Special theory of Relativity

Edwin Hubble discovered that the Universe is >>>>>

• slowing down

• getting hotter

• expanding

• very young

Hubble's Law states that the farther away a galaxy is, the ________

• faster its moving away

• faster its moving towards

• slower its moving away

• the younger it is

Galaxy A is 1 x 10⁹ light years away. Galaxy B is 4 x 10⁷ light years away. Which is moving away from you faster?

• A

• B

• the same

Tags

CCSS.1.NBT.B.3

The expansion of the Universe is ....

• decelerating

• accelerating

• keeping a constant velocity

What have the Universe a "boost" to increase acceleration a few billion years after the Big Bang?

• Influx of antiparticles

• massive black holes

• Dark matter

• Dark energy

Scientists first thought the Universe would slow down due to .....

• electromagnetic attraction

• friction of space-time

• gravity taking over

As galaxies continued to move farther apart, the affect of gravity ......

• stays the same

• increased

• lessened

Rapid expansion of the Universe immediately after the "Big Bang"

• accretion

• supernova

• singularity

• inflation

A value that describes how fast the universe is expanding at different distances from a particular point in space

• Hubble's constant

• Einstein' Cosmological constant

• singularity

• Chandra limit