Question

for each of the descriptions below, determine which theory of the universe it describes by selecting the appropriate column.

geocentric
heliocentric
cyclic model
big bang theory

according to this theory, the universe is still expanding

earth is at the center of this model.

proposed by Copernicus, the sun is at the center of this model

the most widely accepted scientific theory of how the universe began.

this theory of formation says the earth will stop expanding and contract back to a single point

the sun, stars and moon move in a perfectly circular part at the same speed.

the amount of cosmic radiation present in the universe supports this theory

Answer 1

Here are the descriptions matched with the appropriate theories of the universe:

1. **According to this theory, the universe is still expanding** - **Big Bang Theory**

2. **Earth is at the center of this model** - **Geocentric**

3. **Proposed by Copernicus, the sun is at the center of this model** - **Heliocentric**

4. **The most widely accepted scientific theory of how the universe began** - **Big Bang Theory**

5. **This theory of formation says the earth will stop expanding and contract back to a single point** - **Cyclic Model**

6. **The sun, stars and moon move in a perfectly circular path at the same speed** - **Geocentric**

7. **The amount of cosmic radiation present in the universe supports this theory** - **Big Bang Theory**